All China Mobile Secret Codes!

1>> And the codes are:

Engineering Mode: *#110*01#

factory Mode: *#987#

Restore Factory Settings: *#987*99#

Check Software Version: *#900# or *#800#

Default User Codes: 1122, 3344,1234, 5678

Change LCD Contrast: *#369#

To Enable COM Port: *#110*01# -
> Device -> Set UART -> PS Config
-> UART1/115200

Codes to Change Screen
Language:
* *#0000# + Send : Set Default
Language

* *#0007# + Send : Set
Language to Russian

* *#0033# + Send : Set
Language to French

* *#0034# + Send : Set
Language to Spanish

* *#0039# + Send : Set
Language to Italian

* *#0044# + Send : Set
Language to English

* *#0049# + Send : Set
Language to German

* *#0066# + Send : Set
Language to Thai

* *#0084# + Send : Set
Language to Vietnamese

* *#0966# + Send : Set
Language to Arabic