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Pièces & Outils

iPhone 4 pouces commercialisé depuis mars 2016 avec une configuration de matériel similaire à l'iPhone 6s. Disponible en Argent, Gris sidéral, Or ou Or Rose, avec 16 ou 64 Gb de stockage. Modèles A1662 et A1723.

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Why is my iPhone SE reboots itself / won't charge?

Hi everyone,

After replacing my Iphone SE IOS 12.1.2 battery, I have the following issue :

  • The phone reboots itself every 5 minutes approx., while using it or not, plugged in or not.
  • The battery is stuck around 13% and won’t load

I’ve tried to :

  • Change the cable and charger, wall charger or USB plugged in my Mac -> same
  • Plug back the old stock battery -> same issue (what?!)
  • Softly brush the charging port to clean it-> same
  • Installed a new battery (so the 3rd one) -> same
  • Hard Reset -> same
  • DFU Restore -> same

Other :

  • The battery state is “Service” in IOS parameters (for the 3 batteries…)
  • Doesn’t seem to have this issue when plugged in my Mac, while in Itunes restore mode (the one with the Itunes logo on the phone screen). NOT 100% SURE.

Do you know what may be the cause(s) of this issue and what may be the solutions ? Maybe we can discard a battery issue as it appears on 3 different batteries.

Répondu ! View the answer J'ai le même problème

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2 solutions

Solution retenue

There are some tiny components just above the battery connector. It’s not uncommon for them to get fully or partially dislodged during a DIY repair. One of them (highlighted) is critical for communicating the battery charge state to the CPU.

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If it is damaged or missing, it will need to be replaced, which requires a micro-soldering repair.

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That’s one very fine answer with an explanation and schema. And guess what : BOOM perfectly nailed it, kudos to you !

Block Image

As we can see this FL2400 component is missing, probably damaged using the plastic spudger. Now I have to find a micro-soldering repair shop nearby, too bad we are 7000km away ;)

Thanks again ! I really appreciate your help.

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7000Km? Pfft, that's nothing :>). My record to date is receiving something from 12 000 Km away (Zambia)


Nice ! Well maybe you'll receive one day something from France :p


J'espère bien, ça me ferait plaisir d'aider mes cousins!


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Julien sera éternellement reconnaissant.
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