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2015-10-16 04:56 PM
2015-10-16 05:05 PM
Please, boot your device into safe mode as explained here. If this issue is not present in this mode, that indicates a third party app is causing the problem. In this case exit Safe Mode and then un-install any third party apps you don't need and clear the cache/data for the apps you want to keep.
2015-10-16 05:14 PM
2015-10-16 05:24 PM
Because it can be a third party app that is creating this issue, and that´s why in this case I´d first of all boot the device into safe mode and check if problem persists.
2015-10-16 05:38 PM
Ok, please try first run a backup of the device information as explained here. Then perform a system repair using PC Companion or Bridge for MAC. This will factory reset your phone and erase all data. You might need to charge your device for about 1-2 hours before so the device has at least 80% battery. Make sure the device is not connected to computer or laptop and turned off until you are prompted (sometimes you have to press power button and volume up until the device vibrates 3 times or on some devices you have to press the small button near the SIM tray or on the back of the device). Start PC Companion -> Support zone -> Update my phone/tablet -> Blue Repair my phone/tablet -> follow instructions. When prompted connect your phone still switched off holding volume down or back button. The repair or reformat process will start. If you are using Windows 8/8.1 or a 64 bit operating system adjust settings for PC Companion and run in compatibility mode -> chose Windows 7 or XP.
2015-10-16 05:43 PM
2015-10-16 05:52 PM
This is used to perform a repair of the device, as if your issue also appears in safe mode, then it's not created by a third party app.
2015-10-16 06:00 PM
Good, keep us updated please. I´m at disposal for any question.