Keep a copy of the original ISP firmware on your desktop. If things go wrong, you can usually revert using the TFTP (Trivial File Transfer Protocol) method: Set your PC as a TFTP server hosting zte_mc7010_stock.img and hold the reset button for 30 seconds during boot.
The firmware on your MC7010 determines its core capabilities and limitations based on its origin: ISP-Specific Firmware : Units sold by providers like zte mc7010 firmware exclusive
Customizing firmware for this device usually focuses on overcoming ISP limitations and optimizing signal performance: Keep a copy of the original ISP firmware on your desktop