90
After Factory data reset is performed, I can't use my phone without entering Google
account credentials
• After reset is performed, you must enter the original Google account credentials
that were used on this phone.
• If you don’t remember your Google account credentials, complete Google account
recovery procedures.
• If you still cannot access your phone, apply to the authorized repair center, but
remember that it will not be regarded as warranty case.
The phone doesn't ring when a call or message arrives
• Make sure that Do Not Disturb mode (go to Settings > Sound & notification > Do
Not Disturb) is not activated.
• Press the Volume up/down key to adjust volume.
I forget some passwords/codes/keys on phone
• Perform Factory data reset.
• If you still cannot access your phone, apply to the authorized repair center, but
remember that it will not be regarded as warranty case.
