IMEI (Serial) Code: *#06#
.
Default Security Code:
12345.
Firmware Version:
*#0000#.*#51x0# or*#9999#.
To check the Serial No:
*#92772689#.
*3370# To activate
Enhanced Full Rate (EFR).
#3370# To deactivate EFR
Half Rate Mode (HFR).
*4720# To activate HFR.
#4270# To deactivate HFR.
