Device

• Can I identify a contact by entering the last four digits of the contact number on the dialer screen?
• The phone has broken sound when playing some music
• Why does the phone call intermittent on a high-speed train?
• Why is the charging of a mobile phone slow when the ambient temperature is high and the temperature rises?
• Why cannot I start the mobile phone when I start the driving mode?
• Why is it easy for a mobile phone to get offline during a call?
• What to do if the mobile phone is stopped on the ZTE screen after being upgraded online?
• The latest version cannot be searched for during online upgrade.