default user code: 1122, 3344, 1234, 5678
software version: *#800#
software version: *#900#
Restore factory settings: *#987*99#
Factory mode: *#987#
Enable COM port: *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200
LCD contrast: *#369#
set default language: *#0000# Send
set English language: *#0044# Send
set English language (new firmware): *#001# Send
Engineer mode: *#110*01#
by tunlinnaing, on 09.13.08 @ 12:22 pm
i have china mobile bolo c68 but i can’t use because i have network lock,thus help me. Thanks.