I'm trying to unlock this blackberry storm 9530 version 4.7.0.148 i think. and i go into the options, advanced, sim card, type in MEPD and the network is supposed to say "active" and then i would type MEP2 and it would let me type in a code to unlock the phone, but i can't seem to get that window to open. my network says "inactive instead of active" and when i type in MEP2 it is unresponsive both with sim card in and out.