try this
Model: Nokia (3100 )
IMEI: 351518006772103
Network: 23430000
#pw+900 712 037 512 537+1#
#pw+416 657 744 131 176+2#
#pw+149 734 371 472 551+3#
#pw+946 002 277 105 227+4#
#pw+107 984 331 224 102+5#
#pw+029 633 353 401 452+6#
#pw+842 281 773 757 405+7#
first of all try the last one and the first one |