कोड -कोड Hanphone

SPICE

S404 enable COM port : *#42253646633# -> Device -> Set UART -> PS -> UART1/115200
S410 engineer mode : *#3646633#
S900 software version : *#8375#
S900 serial no : *#33778#

SAMSUNG

E900 software version : *#5002*8376263#
E900 full reset : *2767*3855#

PHILIPS

S200 enable COM port : *#3338913# -> Device -> Set UART -> PS -> UART1/11520

ZTE

1- *938*737381#
2- PHONE WILL DIPLAYED DONE
3- POWER OFF YOUR PHONE AND POWER ON AGAIN

VK-MOBILE
SERI 3xx, 5xx:

software version : *#79#
software version : *#837#
service menu : *#85*364# (hold #)