Zte Mf920u Unlock Firmware

One wrong click, and the router is dead, he thought.

Generally no. OTA checks for carrier signature. You must manually flash future updates. Zte Mf920u Unlock Firmware

This is the safest and most reliable method, as it ensures your device remains under warranty and won't be "bricked." One wrong click, and the router is dead, he thought

Flashing third-party firmware voids any manufacturer or carrier warranty. However, you can often reflash original stock firmware before sending for repair. One wrong click