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Does Sony have any official response to this problem. I just got this issue starting a couple of days ago. I can now literally watch the battery % drop as I'm typing this. Like other people mine is just over a year old and just outside of warranty. How can something like that happen? In previous phones the battery would just slowly over time not hold a charge but with this one it was fine one day and terrible the next.
I am experiencing the same issue.
My battery useage usually leaves me with about 50% at the end of the day and gets charged over night. Has been rock solid but then suddenly (last few days) it has started going straight to 1% randomly and without getting hot.
I have tried *#*#7378423#*#* to get into the service menu and it reports that the battery is good. Performing a factory charge also did not fix the issue.
To me it looks like a software issue, if it was dendrites (crystals growing and shorting out the cell) it would get really hot, possibly catch fire, and explode = a very dangerous situation.
I will be contacting sony to see what can be done, and top see if the phone is now dangerous to use.
Whatever happens this needs to be resolved as it is not fit for purpose, which is a consumer right extending to the life of the product.
Here is some data for interest:
Info on dendrites and batteries: https://www.wired.co.uk/article/smartphone-battery-life-lithium-ion-future
Sony will not acknowledge the problem. They won't even bother to reply with an exceptable answer, S to when we can expect a security or firmware update.
a month ago - last edited a month ago
I have a question here, my phone won't go up when charging, do you think it may be the battery or charging port? The phone still says charging and doing it for a few hours but it only charge up to 12%, and won't move up to 100% I can replace the battery but I don't know if it is the issue or charging port?