Here are the secret codes, to use these codes enter the code(in BOLD) and press dial key.
##258741 Hard Reset / Full Restore
##147852 Test Mode
*#06# ESN
#8746846549 NAM SETTING & HARDWARE TEST
##1168453865 NAM SETTING & HARDWARE TEST
##5674165485 NAM SETTING & HARDWARE TEST
##8541221619 NV OR RUIM
##3515645631 monitoring debug
##1857448368 version
# If the card does not boot, click on emergency call,Enter ##258741,Then launch keys, identification, you can reset the phone.