: Ensure a working SIM card with an active data plan is inserted if you are performing an online update. Step-by-Step Update Guide Access the Admin Page
Use this method if you have downloaded a specific firmware file from the ZTE Support website . How to Update your ZTE MF296R, How To - HardReset.info Update Software in ZTE MF296R
A: Yes, but it’s risky. Use the same Web UI method with an older .bin file. Downgrading can sometimes brick the device if the bootloader was updated. Avoid unless necessary. : Ensure a working SIM card with an