User's Manual

I don’t hear when somebody calls/message me, I just see

missed calls/messages notifications on display.

• Please check if Interruptions/Do not disturb mode is

activated on your device. If it is activated you can see a

“Star” symbol

(for Android OS 5.X version) or

icon (for Android OS 6.X version) displayed on notification

panel. In this case you need deactivate Interruptions/Do

not disturb mode. To do it just press volume up or down

key and select “All” (on Android 5.X)

or modify

it in Settings "Sound & notifications" Interruptions ( for

Android 5.X) or Do not disturb ( for Android 6.X).

My device asks me to enter some password/code/key that

I don’t remember or don’t know due to this device has

been used by another person before and I can’t get this

password/code/key from him/her.

• Password/code/key request could be caused by same

security feature activated on this device. You can try to

perform Factory data reset, but remember that if it doesn’t

help you need to apply authorized repair center and it will

not be regarded as warranty case.