Sunday, May 29, 2016

Lenovo Vibe Shot Z90-7 Charging Problem

Hello,

I would like some insight on a problem that I am having with a Lenovo Vibe Shot Z90.

I just bought the phone two months ago during a trip I took to Singapore. It worked fine for about a month before the problem started. The phone never fell down, into water, overheated or anything like that. The problem started suddenly, without an apparent reason. Alas, the local Lenovo branch refused to honor the warranty, claiming that they only take in "EU models".

The problem is that the phone will not charge while it is turned on. It does not even "see" the USB cable getting plugged in. If I turn it off however, it charges just fine, all the way up to 100%. I also noticed that the battery drains faster, for no apparent reason, without any apps running. It most definitely is not a software problem, I did a hard reset at first, it did not work and then, just to be sure, I even flashed the latest official ROM using QFIL.

Do you reckon there is any possibility that the problem is caused by the battery, or is it definitely mainboard-related? If there is any chance that replacing the battery will solve the problem, I could order one online and I am competent enough to replace it myself, but I do not want to get into an ordeal if there is not even a remote chance that it would fix the problem.

Any suggestions welcome.

Thank you in advance.


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