Free Solution to Unlock Huawei E3131 Modem: 100% Working- Dr.Fone
DC-Unlocker - Huawei HiSilicon Firmware Writer 0.0.0.4 is out! (FREE beta test for DC-Unlocker/Rocker/Vygis and Infinity dongle users) -Write firmware and dashboard/Web UI -800+ firmware files added to Support Area for Huawei