کد گوشیهای چینی

default user code: 1122, 3344, 1234, 5678

Engineer mode: *#110*01#

Factory mode:         *#987#

EnableCOM port:          *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200

Restore factory settings:         *#987*99#

LCD contrast:        *#369#

software version:       *#800#

software version:       *#900#

set default language:         *#0000# Send

Set English language:      *#0044# Send

Set English language (new firmware):        *#001#Send