This official stock ROM for the ZTE T82 is stable and works very smooth for everyday use.
Download the flash file from below and follow the instructions provided to learn how to install it. Please be sure that you are installing this firmware on ZTE T82, as flashing it on a different device will result in a brick.
Optional: PC Driver – Download
How to flash ZTE T82
Please click here and proceed with the flashing instructions made available on that page.