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2016-08-05 08:26 AM
2016-08-08 05:40 AM - edited 2016-08-08 05:41 AM
If it is still doing the same thing in safe mode, you are either experiencing a problem with the firmware, or a battery fault.
To determine which, I recommend you perform a software repair on the handset and see if the issue still persists. If it does not, you should be OK to use your phone again normally, though you will have to restore any of your backed up data (also be sure to back up as it will erase everything). If the issue is still happening, contact your local support team to arrange a repair.
2016-08-08 09:40 AM
2016-08-08 01:26 PM
2016-08-09 02:12 AM
2016-08-09 09:38 AM
2016-08-09 10:20 AM
Well, I say it again ; killing the location function has completely sorted the WiFi battery drain issue on my Z5.