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2016-05-18 04:44 PM
Today was even wierder, I turned the phone on in the morning and it showed 100% battery charge, I got to work and it was at 47%(40 minutes later), so I plugged it to my work pc at the office, It started the reset cycle I described in the previous post, I decided to unplug it and see if I could use it with the remaining charge, but now it wouldn't turn on at all, then i used a blackberry wall adapter and the front led turned green, when I pushed the power button it showed that it had a 99% charge (It had been plugged only for 10 minutes) and then it started up, after that it went all black again and turned off.
I used to think it was a battery calibration problem, but now I don't have an idea
2016-05-21 12:40 AM
I have the same problem here. I've been using my phone for about 6 months. It happens 1 week ago and i did a software repair than. After that my phone has no problem, then it started again.
Anyone get this problem solved? I think when i charge on low battery it kept rebooting, but when its above 50% its fine.
2016-05-31 08:13 PM
I am experiencing the exactly same problem. I got the battery changed ans software updated too. But it still persists. Plus, sometimes there's a pop up that says battery temparature is too low-unplug the charger. Has solution been found yet? I'm in desparate need of one!
2016-06-06 06:18 PM
I have bad news for you, I went to my Sony costumer service so my phone could be checked by the manufacturer, two weeks later I went to pick it up, they gave me a new one (because of guarantee), they told me that the problem was caused by a software update problem on the logic card, and that it couldn't be fixed, I highly recommend that you take your phones to your nearest costumer service as soon as possible.
2016-10-05 05:01 AM
2016-10-10 02:56 PM
I have been having exactly the same problem since a week. I have the Sony Xperia C4 dual Sim. It usually happens to me when the battery is nearly fully charged. So overnigh it invariably switches off. Cant find a solution and its very disconcerting
2016-12-27 06:20 AM
2017-01-04 12:56 PM
Same problem here with my C4 Dual sim. Called the dealer and described the problem. They said no warranty becuase it sounds like a battery problem and they will not cover this POS phone. Now my touch screen doesn't work randomly. When I do manage to reboot or power down, I now get a black/blank screen completely but I can tell the phone is on when I push the power button due to vibration. My phone drains to 0% in a matter of 5 minute from 70%. When connecting to a OEM charger, It still says 70%.
Worst phone I've ever owned after HTC, Asus and Nokia. My first and last Sony phone.