How can I change the language of the device?
How can I check the IMEI number of my device?
How to set an alarm?
What to do with my used terminals?
How can I silence the ringer of incoming calls?
How can I block a contact?
What kinds of inappropriate phone using habit may cause battery potential risk?
Why my device unable to receive incoming calls?
Why couldn’t my mobile be switched on?
Why there is no battery charging icon indicated on my phone when I plug it to the charger?
How can I turn on Bluetooth and pair with another Bluetooth device?
How can I perform a factory reset on my phone?