Introduction

Vous avez laissé tombé votre Galaxy S4 et cassé l'écran ? Pas de problème, suivez ce guide au lieu d'avoir à remplacer tout le système d'affichage.

Pour éviter que des éclats de verre ne rayent votre écran LCD, ou s’éparpillent sur tout votre espace de travail, placez une large bande de ruban adhésif sur l'écran.

  1. Votre S4 cassé peut être aussi endommagé que celui photographié, ou pas.
    • Votre S4 cassé peut être aussi endommagé que celui photographié, ou pas.

    • Je n'aurais probablement pas dû prendre certaines de ces photos en mode portrait, mes excuses donc, mais je suis forcé de recadrer.

    I have a question and I am hoping that you might be able to answer. My galaxy s4 dropped and the glass screen cracked it worked great even though it didn't look pretty. So I had my glass screen replaced by a business in my town and now when I type on it the letters write double or triple what it's suppose to and some of the icons on the lower left hand corner have to be pressed hard to get the app. to open also when scrolling down on something it opens up the page where i put my finger to scroll. My question is what do you think happened when they replaced the glass screen to make my phone act like this?

    orangedestiny87 - Réponse

    For the problem you have here, there can be only two possible reasons. Either the digitizer went wrong or dust and debris weren't removed when putting on the new glass. You have to make sure absolute nothing is on the digitizer before putting on the glass beacause it can interfere with the phone's motion an sensors which makes the phones act weirdly.

    Jax Wang - Réponse

    My screen shattered so bad that the image is black. And a few other colors. Phone still works because it will still ring and get text but obviously i can't view them. Can the screen be fixed when it's this bad?

    bharp0305 - Réponse

    My samsung s4 has been dropped and it has got alot of glass coming off bht i cant replace it for a while because i have to pay for dance and sports but my question is if i dont get it fixed then can my whole phone just stop working???

    Bethanie Cowan-grainger - Réponse

  2. Retirez la plaque arrière, vous pouvez simplement faire ceci avec votre ongle ou à l'aide de l'outil spudger.
    • Retirez la plaque arrière, vous pouvez simplement faire ceci avec votre ongle ou à l'aide de l'outil spudger.

    This is hard to do I'm just going to the mall to fix it

    Cheyenne Durand - Réponse

    • Retirez la batterie simplement à l'aide votre ongle ou en utilisant l'outil spudger. Il n'y a pas de câbles attachés, alors ça reste basique.

    • Si vous avez une carte SIM dans le téléphone, poussez-le vers l'intérieur puis relâchez pour l'éjecter.

    Ajouter un commentaire

    • Chauffez la vitre pendant 3 à 5 minutes. J'ai choisi de le faire pendant 4 minutes.

    • Vous avez uniquement besoin du niveau le plus faible du pistolet à air chaud. Je ne recommanderai pas d'utiliser un séchoir car il ne chauffe pas assez.

    • Vous devez faire attention quand vous utilisez le pistolet à air chaud sur votre appareil. Si l'appareil est trop chauffé, cela pourrait faire fondre le numériseur et causer une décoloration. Si vous commencez à voir des décolorations, éteignez le pistolet immédiatement.

    • Cette procédure ramollit l'adhésif qui maintient la vitre à l'ensemble de l'écran.

    But could we use a hairdryer?

    Daelin Jackson - Réponse

    There's a guy with a channel "jerryrigeverything" who has plenty of these repairs on You Tube. If I remember correctly, he says to heat the glass to between 180 f and 205 f. You should use an infrared thermometer to be safe.

    mcr4u2 -

    Yea hairgun can be jused...the glue will be easy to take off about 80c and this is safe!

    Stay away from metal tools and juse plastic cards "deck cards" this will make the screen perfect without anny scratches!

    takk4maten - Réponse

    To be safe I recommend removing the motherboard and camera etc to avoid possible damage when heating. Its easy to do, just 2 screws and a few clip on wires. Worth the extra 2min work.

    Kraiye - Réponse

    You definitely don't need a fancy thermometer. Just heat it till the glass is to hot to hold but not hot enough to burn. BE PATIENT and keep testing it by trying to separate it. You'll need to reapply heat every minute or so while removing the glass.

    Kraiye - Réponse

    • Après avoir utilisé le pistolet à air chaud, commencez par séparer le pourtour de la vitre du reste du téléphone en commençant par le haut.

    • J'ai utilisé à la base un spudger en métal, si vous allez également utiliser un spudger métallique, faites attention à ne rien endommager.

    I did everything correctly but my led isnt showing up. Can I fix the flex cable in the upper left corner?

    Peter Pan - Réponse

    there is no way to fix the flex.

    you have to change the whole screen.

    if you want get into my youtube channel i got many videos about fixing samsung galaxy

    youtube.com/gabakusa

    i hope it helps

    Gabriel Barrandeguy -

    Only use metal on the corners JUST TO GET IT STARTED! Then switch to something plastic. Make sure the spudger is only lifting the front glass and not the digitiser or lcd

    Kraiye - Réponse

  3. GIVE TOOLS. FIX FOREVER.

    GIVE TOOLS.

    FIX FOREVER.

    Spread the Fixmas cheer.

    GIVE TOOLS. FIX FOREVER.

    Spread the Fixmas cheer.

    • Travaillez sur les bord avec des médiators en plastiques.

    • Prenez votre temps, sinon la vitre va se briser (voir seconde image).

      • Si votre écran est trop cassé (ressemblant à une toile d'araignée) vous aimeriez mettre plusieurs couches de ruban adhésif sur l'écran pour essayer de le garder en un morceau et tout faire pour empêcher de se briser encore (procéder doucement et ne soyez pas timide avec la chaleur).

    • Attention : si votre vitre commence à se fracasser, il serait mieux pour vous de porter des lunettes de protections.

    • Les lames de rasoir en plastiques que vous trouverez dans un magasin de bricolage sont super pour des nettoyages complexes comme ceci. Alternativement, vous pouvez essayer les plectres de guitare d'un magasin de musique. Ceux là ne vont pas égratigner le numériseur.

    Make sure you get your spudger between the glass and the digitizer. It is very easy to get between the digitizer and LCD. AND WORK SLOWLY!!!! PATIENCE!!!!

    Tim Yorba - Réponse

    In this progress it is mutch better to juse a plastic deck card "poker card" and gently drag it trough the screen! make sure the temperature is always right! Start always at the top to bottom!

    takk4maten - Réponse

    It takes me 5 min to take off the glass with a card, 1 hour with the spunge tools!

    takk4maten - Réponse

    dont be surprized if you crack your lcd! there is a balance between heat to soften the glue while not burning the lcd!

    prudhommejc - Réponse

    • Chauffez la vitre plusieurs fois. Si la vitre ne se détache pas facilement, chauffez encore et puis continuez.

    Ajouter un commentaire

    • je n'ai pas pu avoir de photos mais quand vous retirez la vitre, faites très attention près des deux touches en bas du téléphone, comme il est facile de les endommager. Ces touchent sont collées sur la vitre, il faut les enlever avant de décoller la vitre.

    • Une fois la vitre enlevée, votre téléphone ressemblera à l'image, des résidus d'adhésif restent sur le numériseur.

    how do you take the buttons off?

    sinead - Réponse

    If you're talking about the touch keys at the bottom, slide a thin tool between the glass and the touch keys on the underside of the glass carefully as it's held by adhesive

    Patrick Lee -

    I've just replaced the screen on my s4. But when I turn the phone back on, there is sound but the screen remains black. I thought the digitiser had broken but when I press down on the screen things are still happening. I just can't see why I'm doing. Anybody have any idea.

    Luke green - Réponse

    you very likely broke something in the LCD assembly... It's a $200 replacement but it's not as difficult a repair.

    Doug Bishop -

    follow this video i made it will help you

    how to change display galaxy s4 (LCD frame in few steps)

    https://www.youtube.com/watch?v=85pOvI6O...

    Gabriel Barrandeguy -

    Works perfect - read all the pictures before you begin, be patient, it is an expensive repair at the shop, nibble away with loads of reheats. Sharp scalpel is also useful. Good Luck

    Frank - Réponse

    My screen just broke, and I've ordered a replacement. I've been thinking about filling a hot-water bottle with boiling water and letting that sit on top of my phone for 5-10 minutes before starting. I can't think of a reason why this wouldn't be easier than using a hair-dryer/heat-gun. At least to get me started...

    crowops - Réponse

    heat gun with temp control is the best

    here in this video i explain the theory of how it must be done.

    https://www.youtube.com/watch?v=qOAauYYN...

    samsung galaxy s4 changing broken glass with uv glue LOCA

    https://www.youtube.com/watch?v=wCeoVSVw...

    Gabriel barrandeguy -

    I wish that the step 8 was highlighted! The back and home buttons are so SENSITIVE! I ended up breaking the menu button! Dam it.... now I have no phone untill the button replacement!

    Cheney Bush - Réponse

    Download the app "Button Savior". It adds a small pop-up window that has all your physical buttons, including the home button. Not only does this give you broken buttons back, but it also extends the life of your physical buttons due to less use.

    Cody Giles -

    • Nettoyez le numériseur avec des lingettes antistatiques ou une serviette en microfibre propre. J'ai utilisé quelques nettoyeurs pour lentilles en microfibre pour nettoyer le mien.

    • J'ai probablement fait un travail pas terrible en retirant la vitre, le numériseur semble être égratigné. Si le votre ressemble également à cela, ce n'est pas un problème, quand l'écran est allumé, ce n'est plus remarquable.

    • Si vous souhaitez vraiment avoir un écran presque parfaitement nettoyé ou si le residu de colle ne veut pas partir, utilisez un dissolvant sans acétone pour vernis à ongle. Cela ne prend que quelques instants pour enlever toute la saleté et cela va partir. L'écran va paraitre presque sans défaut quand vous aurez fini.

    I would not recommend to use a razor on your actual LCD. I do however, recommend nail polish remover (WITHOUT ACETON!!!) and a cloth. With windex it took forever, with the nail polish remover the residue came of in a matter of seconds. The added advantage is that it evaporates after the dirt has been wiped off the screen, instead of the oil you propose which will make your screen greasy and will not make the UV glue bond very well with the LCD.

    Jarno De Bruyn - Réponse

    Superbe tutoriel, merci ! Pour nettoyer l'écran, j'utilise de l'essence F : se trouve en magasins de bricolage. C'est très utilisé en modélisme. Un petit peu sur un coton-tige, on applique sur l'écran en balayant latéralement, puis on essuie avec un essuie-tout. Résultat impeccable, et en plus ça m'a permis d'enlever les petits résidus de colle sur le bord.

    Etienne Arbogast - Réponse

    ACETONE is the best option!!!!!!

    takk4maten - Réponse

    Acetone can damage certain materials like plastics. You'd have to be VERY careful of how and where to apply. Without acetone, you don't have to worry about anything, which makes the process go a lot faster.

    Jarno De Bruyn - Réponse

    • Placez le nouveau adhésif autour des bords du téléphone. Si l'écran que vous avez achetez est livré sans adhésif, vous pouvez utiliser un adhésif 3M double face 2 mm.

    • Retirez la partie bleue sur le dessus de l'adhésif.

    I'm using 2MM tape, and when the glass goes on touch won't register. When it's off, it works fine. Ideas?

    IzzK - Réponse

    here in this video i explain the theory of how it must be done.

    https://www.youtube.com/watch?v=qOAauYYN...

    samsung galaxy s4 changing broken glass with uv glue LOCA

    https://www.youtube.com/watch?v=wCeoVSVw...

    Gabriel barrandeguy -

    How do we handle the space on the LCD it self? Are we replacing the adhesive we removed before?

    Will - Réponse

    here in this video i explain the theory of how it must be done.

    https://www.youtube.com/watch?v=qOAauYYN...

    samsung galaxy s4 changing broken glass with uv glue LOCA

    https://www.youtube.com/watch?v=wCeoVSVw...

    pd: UV glue will fill that space.

    Gabriel barrandeguy -

    can have any substitue for heating gun. can i apply some other method to heat up the glass to remove it from screen

    aftabkankroli - Réponse

    Hair dryer will do the trick too

    Gabriel barrandeguy -

    I have the blue adhesive that is in the picture, but i'm not sure how to apply it properly. help?

    Autumn Scornaienchi - Réponse

    did you watch the video i have post? i show step by step how to apply the glue.

    Gabriel barrandeguy -

    here in this video i explain the theory of how it must be done.

    https://www.youtube.com/watch?v=qOAauYYN...

    samsung galaxy s4 changing broken glass with uv glue LOCA

    https://www.youtube.com/watch?v=wCeoVSVw...

    Gabriel barrandeguy -

    hi if i use the blue Optically Clear Adhesive how would i put it on. do i put it all on the screen then i pill and put on the glass

    abelmanuel94 - Réponse

    • Préparez votre nouvelle vitre. Si votre vitre est couverte de film plastique sur les deux côtés comme la mienne, alors enlevez uniquement le côté inférieur pour le moment.

    • Ne touchez pas le côté inférieur de la vitre, faites attention à ne pas salir la vitre ni la rayer si vous la nettoyez.

    new glass price pls pls

    kafi2000 - Réponse

    you can buy it on ebay

    Gabriel barrandeguy -

    What is this price

    Usman Gujjar - Réponse

    • Placez la nouvelle vitre sur le téléphone.

    • La colle LOCA devrait être utilisée pendant le remontage de l'écran. Il existe quelques vidéos sur youtube montrant comment appliquer la colle.

    • Faites attention, ne laissez pas la colle s'infiltrer dans l'écouteur (oreillette) avant.

    • Retirez le film plastique qui recouvre le dessus de l'écran.

    when replacing the screen, does the adhesive glue go between the actual screen and digitizer or just around it?

    jonathon lacy - Réponse

    yes it goes in the middle the glue.

    here in this video i explain the theory of how it must be done.

    https://www.youtube.com/watch?v=qOAauYYN...

    samsung galaxy s4 changing broken glass with uv glue LOCA

    https://www.youtube.com/watch?v=wCeoVSVw...

    Gabriel barrandeguy -

    here is it a test to post a video

    [video|https://www.youtube.com/watch?v=wCeoVSVw...|]

    Gabriel barradenguy -

    I have a question.. when I put the new front glass, I have some issues with bubble of air between the glass and the digitaizer.. how to fix that?

    Antonio Rosapallida - Réponse

    If you're using LOCA glue, before it's cured you can "chase" the bubbles out to the edge of the screen. Use your finger to put gentle pressure behind the bubble and follow it out, then cure the glue with UV light.

    whsorensen -

    It's necessary to put LOCA glue or just with the adhesive tape is ok?

    Jose Pilero - Réponse

    I would totaly recommend the loca it makes the touch nice and the screen will handle more damadge dure to the elastic glue!

    takk4maten -

    if i don't put the glue then what will happen or it just an option?

    Walid Ismail - Réponse

    • Replacez la batterie ( et la carte SIM).

    Ajouter un commentaire

    • Remettez la plaque de la batterie et allumez le téléphone.

    Ajouter un commentaire

Conclusion

Profitez de votre S4 sans l'écran fissuré !

258 autre(s) ont terminé cette réparation.

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Patrick Lee

Membre depuis le 10/03/2013

6 951 Réputation

2 tutoriels rédigés

78 commentaires

Tried it, wrecked the LCD, had to buy a new front assembly :(

Tim - Réponse

That's unfortunate, sometimes in some unlucky cases the LCD or digitiser tries to come up with the glass which probably means it needs to be heated up for longer with the heatgun.

Patrick Lee -

Same here. The glass was spiderwebbed and it was frustrating work. About 2 hrs in I must have gotten a little careless because a little extra force and boom...LCD broken.

If your glass has more than a few cracks in it I would say it's not worth the effort-replace the whole display or take it to a professional.

Logan Kennedy -

here i made a video how to do that, i hope it helps you

how to change display galaxy s4 (LCD frame in few steps)

https://www.youtube.com/watch?v=85pOvI6O...

Gabriel Barrandeguy -

Can I put on the complete adhesive ? Or must I leave holes ?

florianholtgen - Réponse

You'll need to leave holes otherwise you may cover the sensors or other components to the phone.

Patrick Lee -

I do the s3's this way all the time. I did break the first one I ever did. The s4 is very different from the s3. I just tried it and broke the LCD. The LCD was pulling up with the glass, didn't realize I had my pick UNDER the LCD as well. Never had that issue with the S3. Also the glue seems stronger than the glue on the S3, its melting point has to be different in my opinion.

cmantlo - Réponse

here i made a video explaining everything in a white board how it has to be done for the next time

i hope it help you

Theory of how to fix gorilla glass at any samsung galaxy

https://www.youtube.com/watch?v=qOAauYYN...

Gabriel Barrandeguy -

Just finished up, and everything worked out just as planned. Had some trouble keeping the cracks from cracking even further, but the LCD is undamaged and there isn't any discoloration. The only issue I have is from the original adhesive. There are parts where it still shows through, even with the screen on, so make sure when going through this to COMPLETELY clean off any leftover residue from the original screen. Other than that, a very easy fix. Took about an hour.

Xerilyn - Réponse

As one person has already commented, the front glass is much more difficult to replace on this phone than it is on the Galaxy S3. Didn't realize when I was doing it that I had lifted up the LCD with the pick, meaning i had to replace the full display assembly. I would be tempted to have another ago, just make sure you apply plenty of heat and are very careful.

Adam - Réponse

Have repaired a few and part of the process is to replace the adhesive with a liquid one that is poured on the amoled panel and cured after the glass is carefully placed. Any UV light, like for nails, or sunlight will cure the LOCA (Liquid Optically Clear Adhesive). To avoid getting this adhesive on anything in the s4 you should remove everything from the inside: parts, boards, rubber gaskets, etc. also use double-sided tape for the edges around the display to help the liquid adhesive stay away from where the camera, proximity sensor and ear speaker will go. the entire process can take about 2hrs but can be as short as 45 min if you have quicker heating methods than a heat gun like a hot plate. The durability of the device is affected but the adhesives holding the lens in place and not replacing them will make the glass easier to break later on.

Stephen Napoleon - Réponse

While this suggestion is more professional, it requires more time and resources that aren't completely necessary, or maybe not for your average repairer. Of all the S4 screens I've replaced I use the basic adhesive that comes with the glass from my supplier and that has enough strength to hold the glass in place when it is applied correctly. This was interesting though, thanks!

Patrick Lee -

I don't know if the S4 is the same in this aspect, but not using LOCA also can cause freezes if the screen is 'pressed' too hard on the S3. That said, the only time I've tried to do the LOCA on an S3, the adhesive got EVERYWHERE. Eventually the touchscreen stopped working and I had to buy a new front housing/LCD/digitizer. I assume I used too much glue, but I also felt the LOCA didn't spread properly, as the top corner of the phone received no LOCA and the bottom seemed to get the majority of it despite using the same technique as many guides I saw. I managed to push and spread the glue to the corner but pushing it in that fashion really helped glue up everything. The screen looked much better with the LOCA instead of just the adhesive along the side, though.

TL;DR: LOCA makes things look and work a lot better, but if done wrong it can really screw things up

Nick Hughes -

A friend told me that when my glass is broken then this may affect the device memory that after a month it will melt and the whole device will broke . Is this true?? I mean is that possible to happen?? What should I do ??

Muhammad - Réponse

Your friend is lying to you and doesn't know anything he is saying either, you probably should believe everything people say.

Patrick Lee -

Mmm he said that the wires that is linked to "emmc" ,which have something to do with inner memory, may melt because of heat which these wires moved a bit because of damage .anyway he said that this may cuz sudden death ....any suggestions . And thx a lot

Muhammad - Réponse

I just broke the screen on my S4 Active? Is the process the same as it is with the regular S4. I can't find a step by step guide to removing the glass.

Miranda - Réponse

here i made a video explaining everything in a white board how it has to be done for the next time

i hope it help you

Theory of how to fix gorilla glass at any samsung galaxy

https://www.youtube.com/watch?v=qOAauYYN...

Gabriel Barrandeguy -

You are supposed to put clear box tape over the glass before heating it. This will suck all of the glass into the tape and prevent damage. This step by step is alright but you want little to none scratches, dents or smears on the digitizer.

elideville - Réponse

Great suggestion!

Patrick Lee -

I've just managed this no problem. If you are having problems cleaning the digitiser properly you can use a bit of surgical spirit on a lint free cloth to clear the remnants off better

Stephen Wilkinson - Réponse

This is called isopropyl alcohol or isopropanol and costs 2-5$/Liter.

Lololo -

I had no real problems with this. It was more time consuming than difficult. Taking the glass off and cleaning the digitizer took about 45 minutes, but after that it was easy.

Andrew - Réponse

So I replaced glass with minor issues, used LOCA and UV light. Phone turns on fine with all buttons working, but the touch screen doesn't register ANYTHING. There are no visible cracks or discoloration, I would describe it almost like screen is froze? Did I just make myself buy a new digitizer assembly?

Tom McDowall - Réponse

take the back case off and make sure you connected all cables to the main board and the usb board in the lower left corner

tlagabid2 -

here in this video i explain the theory of how it must be done.

https://www.youtube.com/watch?v=qOAauYYN...

samsung galaxy s4 changing broken glass with uv glue LOCA

https://www.youtube.com/watch?v=wCeoVSVw...

Gabriel barrandeguy -

So i just did this turned my phone back on and the entire lcd is discolored showing up mostly green but fades in and out when i turn on/off the phone. any advice at this point? do i need to have the LCD completely replaced now?

Jack Gleason - Réponse

Did this last night. Only tricky part was actually the application of the adhesive for the replacement glass. Didn't really match what I needed and the picture above was a bit unclear that you DO NOT want to apply adhesive over the LCD screen!

Anyway, here are my repair pics: https://plus.google.com/photos/110629972...

Dan

Daniel Hadad - Réponse

So I started replacingy glass but I realized that I was taking of the entire LCD and so I stopped mid removal of the glass and pushed it back together and havent made another attempt do u think my phone is permanently damaged. Its been working fine but I feel like at any moment the screen is gonna fall out. Scratch on the glass wasn't even noticable only affected my selfie pics

justine - Réponse

How long roughly will it take using a hair dryer?

mortbals16 - Réponse

depend of the hair dryer , you got to get 100C or you will break the screen

here it is the theory i made about it

here in this video i explain the theory of how it must be done.

https://www.youtube.com/watch?v=qOAauYYN...

what the whole video before it is to late

Gabriel barrandeguy -

I went to a professional, where i live in pakistan these professionals arent very professional:p they lie and everything so my screen just the glass was cracked and my digitizer was fine. a few months ago i had replaced my digitzer which cost me almost 200 dollars and it was original however when i went to change my cracked glass a few months later, the guy at the shop he changed the screen and it had scratches on it i asked him why so he said the digitzer was fake thats why the new glass got scratches on it while we were replacing it. FIrst of all im pretty sure i got an orignial digitzer but even if i didnt, does it have to do anything with the new glass having scratches on it?

Asad Raza - Réponse

Hello- where can I buy replacement glass for the S4 Active? All I can find on amazon is glass for the S4. Are they the same?

Bridgette - Réponse

did u try to find it on ebay or amazon?

Gabriel Barrandeguy -

i broke my galaxy s4 and the screen is fully black i turn it on and there is no light to it what pieces do i need to fix it? do i just need a front screen or is there another screen i need to buy?

molinacarmen13 - Réponse

here i made a video that will help you with that

how to change display galaxy s4 (LCD frame in few steps)

https://www.youtube.com/watch?v=85pOvI6O...

Gabriel Barrandeguy -

I dropped my s4 and my screen has completely gone! The phone still switches on and I can hear messages coming through and still receive calls. Do I just need a new screen and will it fix my problem completely?

David - Réponse

If you can still hear messages coming in then it sounds like you need a new lcd. I have fixed a few S4's with the same symptoms. I did run across 1 S4 that was dropped hard enough that the LCD cable inside came disconnected. I re-attached the cable and everything was fine even the LCD was not cracked. Funny enough a couple days later I ran into the same thing on an Iphone 4, loose/disconnected cable.

Tim Yorba -

here i made a video about changing the LCD, if that is your case.

how to change display galaxy s4 (LCD frame in few steps)

https://www.youtube.com/watch?v=85pOvI6O...

if you want to change the gorilla glass by itself here it is other

samsung galaxy s4 changing broken glass with uv glue LOCA

enjoy

i hope you can fix your

best regards

gabe

Gabriel barrandeguy -

Hi, i just did it!

Everything looks very good and i checked the function before i used the uv-glue.

After i finished now, the display don't react properly.. For example i can't click ok when i have to type the sim pin.

I can click 1 4 5 6 without problems. when i click 7 8 9 it works sometimes and ok dont work...

Maybe you have an idea what happened? I am not sure what i did wrong.

When i try to turn the phone off, i can't click anything after the menu appears. I can't even click in areas, that worked before?

GodNoob - Réponse

When applying heat to soften the adhesive, do i need to slowly move around the whole screen for 4 minutes, sorry if it's a daft question.

How do you know if the heat gun is causing discoloration when the phone is not on, what signs do i need to look for?

Also i'm assuming you need to heat on the middle of the glass probably mostly because that's the strongest adhesive patch to remove from.

James - Réponse

here in this video i explain the theory of how it must be done.

https://www.youtube.com/watch?v=qOAauYYN...

samsung galaxy s4 changing broken glass with uv glue LOCA (HERE IT IS STEP BY STEP PROCESS)

https://www.youtube.com/watch?v=wCeoVSVw...

Gabriel barrandeguy -

Our Comments system is currently undergoing maintenance, and will be back shortly. -The iFixit Team

Dominique - Réponse

My screen looks exactly like yours in the picture. When I dropped it I could still see the picture on the screen but it slowly disappeared and is now completely black. Will replacing the screen fix that as well? Thanks, Mike

Michael Gray - Réponse

yes it will fix that.

check my youtube channel GABAKUSA i made many videos how to fix that.

Gabriel barrandeguy -

This was great thank you for the help, but some how I got air bubbles under my glass lens. How do I get them out?

chance - Réponse

burst them, they appear cuz did nt release the glass slowly enough.

what this video about the theory i made so you wont make more mistakes ;-)

https://www.youtube.com/watch?v=qOAauYYN...

it is like 1 hour long

Gabriel barrandeguy -

I did it an now the phone wont turn on. What do i do

john jelinek - Réponse

Be careful and work slowly. My wife did it, and it is now good as new!

ivanmcruz32 - Réponse

I'm curious to know if there are people out there who have experience doing this repair WITHOUT using the LOCA glue and UV light. Are your results good as far as phone function and operability? Or do you think using just the precut adhesive alone is NOT enough?

Anthony James - Réponse

go to my youtube channel gabakUSA i have fixed many with and without uv glue.

without glue dirt maybe get in to the LCD and sometime it maybe lock the screen itself.

so it is better using glue for the long run

Gabriel barrandeguy -

It will cost me the same price to bring it to the shop and let them repaire it instead of bying a new scren and take al the risk of breakink it.....

Why should I bye it?

lucly - Réponse

I was wondering if this is going to work for my phone. I cracked the top right side of my phone. Now there is nothing. I turn it on and it's just black. Is that cause the screens cracked? Shouldn't it still light up or something? So I'm just wondering if replacing the screen will work or should I just get a whole new front with the LCD and digitizer?

Steve - Réponse

Question 1: If you take out the battery, then how can one tell if there's discoloration when applying too much heat?

Question 2: what would the perfect amount of pressure to apply in removing the screen feel like, or more importantly what would be too much pressure?

Try giving an easily relatable eample, such as 'the pressure given on a pencil and an electric pencil sharpener'

Genny Smith - Réponse

What else can you use besides a heat gun I have the ifixt heating thingy will that work

georgeperez26 - Réponse

I used a heat gun and a playing card from a deck of cards to remove the glass. DO NOT use anything metal and DO NOT lift the card when sliding it under the glass. If you keep it flush you should have no problems removing the glass and won't break the LCD.

I tried using loca glue and it is a pain and messy. As long as you use good 3M adhesive tape and a good quality glass lens, no need for LOCA.

Mike Lamothe - Réponse

Tons of people are saying you should probably just give up if the glass is spiderwebbed, because you'll break the display/digitizer.

I disagree entirely. This method of just applying upward pressure is the issue, not the glass. Pick up a spool of Molybdenum wire and use it to "cut" the LOCA under the glass. Using the wire puts considerably less stress on the LCD.

jakejarrett - Réponse

Thanks for the good tip.

Nicola Centrone -

Did it. But I overheated the display in one spot. Now it has a pink-magenta color there. Is there something I can do now? Touch working perfectly everywhere on the screen. Thanks.

Z4H3R - Réponse

hey there exellent instructions i replace the glass in about an hour the only advice i could give is use a poker card/playing card maybe 5 as they get glue all over them instead of spatula or razor blade and use a heat gun or heat plate cos a hair dryer does not give enough heat g o max 80 degrees only use razor blade to get the top right of the screen up not the left side as there is a ribbon and remember to stop once you get to the home button as is 2 more ribbons for the back key an multi task key lift the screen to a 45 degree and carfully remove the back/multi task buttonswith razor blade bang your done best a luck☺

rhys t - Réponse

Who can tell me when can I bye a new glass screen for Galaxy S4?

Anisa Murati - Réponse

my s4 is cracked all over and i need to know if it is easy to remove without the tape. its all tiny cracks.

jake satterwhite - Réponse

i took off the glass without damaging the LCD,but the touch doesnt work anymore.As i know it has to react without the glass...or not?Can somebody help me with this ?

zoli prodan - Réponse

Folks, I have done this, but now the screen doesn't turn on, it responses to the touch with sound, but no image.

Sam Kultz - Réponse

Hi good afternoon , my Samsung Galaxy S4 Display is Brock, and i want to change the display, may i know how much the price,,,

Pasang Sherpa - Réponse

Question :what kind of heat gun needs to be used to remove the screen an where can they be bought. Thanks, Lorraine

Lorraine Young - Réponse

Will this fix response because my Samsung is both cracked and not responding.so sad I don't deserve this.

Matthew Kuan - Réponse

Please comment

Matthew Kuan - Réponse

If my phone is cracked to the point where the screen is always black what does that mean? Is my LCD or digitizer broken? Because it turns on and the sound works and whatnot and so does the rest of the functionality, i just can't see anything. Do i need to replace the front assembly?

Anthony Washington - Réponse

Nice one! Made it look easy least the steps eazy to follow. Thanks great resultn my s4 needs doin so very helpful article thanku

Joanna Eldridge - Réponse

It worked i followed every step thank you so much.

Kaleb - Réponse

Thanks - I used this procedure to replace the front glass on my S4, two S2's and a sony Z3 Compact back glass. I broke the LCD on one of the S2's but the rest worked.

Heated glass w/ my hairdryer for 2 minutes, lifted a corner up w/ my fingernail, slid plastic pick under glass. Heated again, slid pick to other corner. Added another pick to keep glue from reattaching (one in each corner). Heated and worked the picks until the whole thing was raised. There were a couple bits sticking to electronics, be careful to cut or separate this glue so it doesnt take the buttons/electronics up, then lift off the screen. Used plastic, thin gauge guitar picks and not anything metal, to avoid damage to the LCD. If you need to start a corner with a tiny flathead screwdriver, do it only to lift the corner enough to slide a pick in then stick to plastic. Clean edges gently with spirits. Do not put any pressure on exposed LCD. Put on new glass, heat for 3 minutes, put clothes pegs all around the rim and set for 2 hours.

the bean - Réponse

Why we should use loca glue....? Is it important....? What the purpose of local glue.....?

mapeecreation - Réponse

yes it is important or the sensitivity wont be the same, also dust my will get inside.

here i made a video where i explain in more detail https://www.youtube.com/watch?v=qOAauYYN...

Gabriel barradenguy -

Do yourself a favour, spend the extra few $ and get some LOCA glue. Watch a bunch of tutorials on how to use it.

I didn't :( and now my screen is hyper sensitive and swype doesn't work properly. I've ordered some LOCA and will be redoing it properly.

Kraiye - Réponse

Thank you so much for this tutorial. Just finished and all is working. No lunch for kids but phone is fine ;-))) Better start cooking now. My phone was terribly shattered, like crazy shattered. I used nail polish remover to clean at the end. I was so worried but quite careful. You saved me lots of money as I was about to buy new phone cause I go on long holidays with kids in few days time and how can you live without the phone these days ;-))) but decided to give it a go. THANKS AGAIN ;-))))))))) Hope I don't have to do it again ;-))))) And it costed me under 8 Euro for new screen and that's all ;-))) and I used hair dryer

takajola - Réponse

Hi guys.

I cannot comprehend one thing i am reading

"Dropped and cracked the screen on your Galaxy S4? No problem, follow this guide instead of needing to replace the entire display assembly.

To prevent shards of glass from scratching your LCD, or getting all over your workspace, place a wide strip of tape over the entire screen."

i think it will be good to be more specific what kind of type - basic which the kids are playing with, thermoresistance tape or ?

whatever460 - Réponse

chill out man he is just trying to help some people out

Raymond Torres -

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