Respect incoming call information

1.HONOR enters the engineering mode, which can detect the hardware quality of the mobile phone and query the serial number of the mobile phone.

2. Enter * # * # 2846579 # * # in the dialing interface.

3. Enter the engineering mode interface, where there are software and hardware queries.

4. To query the serial number, click the software and hardware version to query the serial number. You can also check the personal information of each mobile phone. The above is how HONOR entered the telephone information interface.