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The Pocophone F1 is a mid-tier smartphone made by Xiaomi Inc, announced on 22 August 2018 in New Delhi, India.

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Phone battery potential hazard

Just yesterday, I was trying to access my sim card slot, but didn’t have a sim tool to unlock. I got a thick sewing needle, (pointing the sharp side away) using a surface to access it with a little force, however, it didn’t seem to work, so I tried more force and the needle broke through and went halfway into the phone. Panicked, I pulled it out and my first instinct was to smell the phone, which I of course have never done, and it was to check for any potential battery hazards. I can’t describe but when I smell from the charger port directly with my nose against it a bit, it smells almost like acetone and I cant tell if its a bit sweet of a smell or not so don’t take my word by that. I thought I turned it off but it’s been running all night, as I began my day, I used it like I usually would, knowing well that it would be a potential hazard, but nothing seems to happen, at all. It never turned off or act funny, no smoke or burning smell, and the smell isn’t strong. Also regarding the smell, it can only be smelled by putting my nose up to the charger port or even slightly from the volume controls as well as the sim slot. Should I be concerned, and if so, should I replace the battery or just save the risk and get a new phone? Thank you for whoever reads and decides to help.

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Hi @kodakawa ,

Ever heard of a paperclip?

What is the make and model number of the phone?

The only way to assess the damage is to open the phone and inspect it.

You may be surprised at the odour given off by a charge port.

Try smelling it on another phone and check. It most probably is the same.

Electricity, (when the phone is being charged) perspiration (when you handle the plug on the charge cable), dust (wherever the phone has been placed especially in clothing) etc is all in there and it is never cleaned.

Nor should it be unless done correctly as you don't want to cause any problems. Leave well enough alone


I would've used a paperclip if I had one, but the only thing accessible in the moment were a couple of needles. The phone I have is a Xiaomi Pocophone F1, model number 6941059607915. I tested sniffing the port of an old Iphone 5s and there was nothing, along with another old phone which had the slighest of smellnot anything like acetone), two of which I did charge as well. My current phone has a noticible (if smell directly) smell of acetone, maybe a mix of something sweet by the headphone jack, and charger port, and the scent typically would represent a punctured battery from what I realize. I really don't know if I should get the battery replaced or buy a new phone at this point.


Actually my previous phone was giving out a smell like that and I had the battery replaced, but later on using the phone for a year the smell started again. My current phone, which I've been using for the past year is now giving out the same smell. My guess would be cheap manufacturing in Chinese mobiles


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Hi @kodakawa,

As I commented, the only way to assess what damage has occurred, if any, is to open the phone and check.

Here’s a link to a video that shows how to replace the battery in the phone.

It is useful as it shows how to open the phone so that it can be checked.

Also if the battery is damaged you’re halfway there to replacing it.

Replacement batteries are available online. Just search for Xiamio Pocophone F1 battery to get results for suppliers.

If it worries you, turn off the phone and don’t use it or charge it until it has been checked.

If opening the phone seems too daunting a task contact a reputable professional mobile phone repair service and ask for a quote.

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Kïan Robinson sera éternellement reconnaissant.
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