أرقام السريه لـ العدد الصيني

default user code 1122, 3344, 1234, 5678
engineer mode #11001#
factory mode #987#
enable com port #11001# - device - set uart - ps config - uart1115200
restore factory settings #98799#
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