Go to Settings - Accesibility - switch off Air-shuffle function for Music, FM radio, Pictures, Camera.
Try to re plug the battery and start charging for 15 minutes.
1) Create Ringtones / Notifications folder in root directory of internal memory of the phone.
2) Copy mp3 files into this folder.
3) Open settings -> Select Audi Profiles -> Select General -> Select Incoming calls / Notification -> mp3 files which was copied into Ringtones / Notifications folder will be added into list of Ringtones / Notifications.
Try to re plug the battery and start charging for 15 minutes.
We kindly inform you, that Technical/Consumer Preview version has not been approved for using on our devices. Problems and errors, which are caused by using non-approved software can not be reason to repair it under warranty. If it is necessary to contact the service centre, the device diagnostics and repair can be performed ONLY if there is original operating system installed on the device. Please notice, that recovering the original software version can not be performed under warranty and causes the repair costs.
Open settings -> Select about -> Select More
Open settings -> Select Language -> Select Add language -> Select Language
Open settings -> Select About -> Select Reset your phone
Open settings -> Select Keyboard -> Select Add keyboards -> Select keyboards you want to add
We kindly inform you, that Technical/Consumer Preview version has not been approved for using on our devices. Problems and errors, which are caused by using non-approved software can not be reason to repair it under warranty. If it is necessary to contact the service centre, the device diagnostics and repair can be performed ONLY if there is original operating system installed on the device. Please notice, that recovering the original software version can not be performed under warranty and causes the repair costs.
Open settings -> Select about -> Select More
If your phone is unresponsive and you can't reach Settings icon, you may be able to reset your phone using the hardware buttons.
1) Press and hold the Volume down button and Power Power button at the same time until you feel a vibration.
2) When you feel the vibration, immediately press and hold the Volume down button until you see a large exclamation mark.
3 )Once the exclamation mark appears, press the following four buttons in this order: Volume up button, Volume down button, Power button, Volume down button. Your phone should now reset and restart itself. (It might take a while for the reset to finish.)
Open settings -> Select Language -> Select Add language -> Select Language
Open settings -> Select About -> Select Reset your phone
Open settings -> Select Keyboard -> Select Add keyboards -> Select keyboards you want to add
In order to increase device safety, the battery charging current has been limited to 1A max with the full charging time up to 6 hours. Using Powerful adapter > 1A do not speed up the charging time.