default user code: 1122, 3344, 1234, 5678
Engineer mode: *#110*01#
Factory mode: *#987#
Enable COM port: *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200
Restore factory settings: *#9879#
LCD contrast: *#369#
software version: *#800#
software version: *#900#
set default ********: *#0000# Send
set English ********: *#0044# Send
set English ******** (new firmware): *#001# Send

and more:
*#77218114#
*#19992006# dd
*#881188#
#4267357#
khoi phac lai he thong -> mã là 1122
*#3646633#
*#33778#

S500 *#77218114#
C600 *#881188#
*#19992006#
#4267357#
*#881188#
*#77812114#
*#19992006#
*#942657#
*#0084# call

*#0000#, *#0044# Default English
*#0086#, *#0886# set to China
*#0084#, *#0966# set to Vietnamese
*#77218114#
*#19992006#
*#881188#
#4267357#
*#77218114#
*#0000#, *#0044# Default English
*#0086#, *#0886# set to China
*#0084#, *#0966# set to Vietnamese
*#77218114#
*#0084#call

moden s500:reset*#881188#
----------------------------------------------------------------------------

*#19992006#
*#881188#
#4267357#
*#77218114#
*#942657#


*#942657#
*#0084# call


*#0000#, *#0044# Default English
*#0086#, *#0886# set to China
*#0084#, *#0966# set to Vietnamese

*#77218114#
*#19992006#
*#881188#
#4267357#


كل ما هو جديد مع فورلان
forlan
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