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NOKIA###1101###SECRET###CODES





###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