Chinese phones secret codes

Guys! I am listing secret codes for chinese models.Here we go@
* Default user code: 1122, 3344, 1234, 5678
* Engineer mode:*#110*01#
* Factory mode: *#987#
* Enable test mode COM port: *#110*01# -> Device -> Set UART -> PS
Config -> UART1/115200
* Restore factory settings:*#987*99#
* LCD contrast: *#369#
* software version: *#800#
* software version: *#900#
Service codes BenQ:
* software version: *#300#
* test mode:*#302*20040615#
Service codes Pantech:
* software version:*01763*79837#
* service menu:*01763*476#
* reset defaults (phone/user code reset to default): *01763*737381#
Service codes 3xx, 5xx:
* software version: *#79#
* software version: *#837#

Thats it for now keep visiting Cyberkhalsa