It’s a .zip . Inside, there’s an .exe updater.

: Required to execute final AT commands (e.g., atc at^nvwrex... ) to finalize the permanent unlock. dialog huawei b310s-925 unlock firmware download

Open to enter terminal commands to permanently set the unlock state. It’s a

Ensure your device is eligible for unlocking. Typically, the device must be fully paid for, and the account must be in good standing. It’s a .zip . Inside