Firmware Version:
*#0000#
*#51x0# or
*#9999#

View Serial No:
*#92772689#

SIM-LOCK CHECKS

#PW+1234567890+1# = GIVES PROVIDER-LOCK STATUS

#PW+1234567890+2# = GIVES NETWORK-LOCK STATUS

#PW+1234567890+3# = GIVES COUNTRY-LOCK STATUS

#PW+1234567890+4# = GIVES SIM-CARD-LOCK STATUS.

Enhanced Full Rate (EFR):
*3370# to activate EFR.
#3370# to deactivate EFR

Half Rate Mode (HFR):
*4720# to activate HFR.
#4270# to deactivate HFR.

Default Security Code:
12345

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