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Released November 4, 2017. Model A1865, A1901. Available as GSM or CDMA / 64 or 256 GB / Silver or Space Gray. (Pronounced the same as "iPhone 10.")

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Renewed iPhone X with a really unique battery issue, please comment it

Dear readers,

I already wrote a post on this singular misfortune and @Minho suggested me that the battery may be faulty (thank you, Minho - the post is “sometimes battery % stuck/frozen and it won't charge only restart” on July 8th). I bought a renewed iPhone X, it was perfect with battery health at 99% but after 1 month it started a strange fault: from time to time the battery level remains frozen and the iPhone doesn’t recognizes any charger (wireless or wired, original or not). Actually even if is apparently it is not able to recognize the charger, the charge takes place (you can feel the warm device). In the same time if I look at the graph for the battery level, I see the lack of the last statistics while there was activity (look the picture).

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It looks like the battery disconnects from a software point of view but actually it is physically connected. Only a restart of the device resolves temporarily the issue. This problem is haunting me also because I can't replicate to show it when I want. Further this it seems that the issue does not appear when I remove all my personal configurations with my AppleID (but I am not sure about this latter point). The repairers return the device to me saying “no fault found” and I can't enforce my warranty rights after paid €650,00.

Of course there are some clues that point towards a SW problem but the firmware is updated to the last release 12.3

In your opinion is it a possible hardware fault? ... or software fault? Do you know if the battery has an electronic embedded assembly that could be the responsible of this kind of fault?

What other check can I do? I could replace the battery by myself but I don't know if it's the right strategy. Please your comment will be much appreciated.

Thank you

Answer this question I have this problem too

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1 Answer

To rule out a software problem (which is always a good thing to do before starting to replace components), first restore the iPhone cleanly from dfu mode using iTunes (there are many guides for this available on YouTube, search for iPhone DFU mode). Then, to rule out a problem in your profile, don’t restore anything from a backup. This will leave the iPhone as clean as possible, as if it left the factory (from a software point of view). Use it in that state for a while and see if the problems persist. If not, it’s a software fault, and I would advise to work with this clean install.

if the problem persists after a clean install from DFU mode, it points towards a hardware issue, and the battery itself may indeed be at fault. Replacing it would be a good starting point then.

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