Keep these backups on two different drives. Losing the original nv partition (where IMEI and calibration data live) can permanently ruin your 4G performance.
If the device restarts every few minutes, a corrupted settings file is likely conflicting with the new software. Zte Mf286 Firmware
Here is a comprehensive guide to understanding, updating, and managing your ZTE MF286 firmware. What is ZTE MF286 Firmware? Keep these backups on two different drives
For most users, the best balance of stability and features is the (unlocked, band 20/28 enabled, WebUI fixed). For advanced homelab enthusiasts, OpenWRT 23.05 is the clear winner. band 20/28 enabled
Must be updated manually if the over-the-air (OTA) update system is disabled by a previous carrier lock. How to Check Your Current Firmware Version