HOW TO UNLOCK HUAWEI E3131 ALL VERSION FOR FREE

INSTRUCTION

1. Run Universal MasterCode.exe and take an ime that is on the modem type on imei: click Calculate button then take flash code 
2. Run [anonyshu]E3131.exe wait for ask password and type flash code which you have alreadycalculate on Universal MasterCode.exe then click okay and wait for complete enjoy