There are two ways to unlock an E8372h-320:
Unplug the dongle and insert your desired third-party SIM card. Plug the dongle back into the PC. Open a browser window and navigate to 192.168.8.1 .
Method A: Software Command (If device is accessible via WebUI) e8372h320 unlock firmware install
Opening the device voids your warranty, and changing IMEI numbers is illegal in several jurisdictions.
This occurs if you try to flash a firmware version with a lower security patch level than the one currently on your device. Ensure you are using an anti-rollback bypassed firmware file. There are two ways to unlock an E8372h-320:
Most E8372h320 units are sold by mobile network operators (Vodafone, T-Mobile, AT&T, Telstra, Smart, Globe, etc.). These carriers "brand" the firmware, restricting the device to their specific SIM cards. If you try to insert a rival carrier’s SIM, you are greeted with an error message: "Invalid SIM" or "SIM Lock Restriction."
: A high-quality, data-transfer-capable USB cable or a direct USB motherboard port. Do not use unpowered USB hubs. Method A: Software Command (If device is accessible
: Huawei_Gateway_Driver_Setup.exe and FC_Serial_Driver_Setup.exe .
: The firmware version you are trying to install is older than the security patch currently on your device. You will need an updated "downgrade-enabling" unlock firmware file.
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Open your web browser and log into the router dashboard (usually 192.168.8.1 ).