Obtain the authorized update.exe or .bin firmware file for your specific MF920U provider version (e.g., Airtel, Jio, MTN) from an authorized source or provider website.
A: It is very difficult to recover a "bricked" device. If the flashing process fails, the best option is to consult a specialized technician or the community forums. Using 100% verified firmware is your best protection.
The official flashing software interface.