Update __link__: Zte Mf286r Firmware

⚠️ : Many MF286R units are carrier-locked (Telenor, Zain, Digi, Telkomsel). Flashing generic firmware over a locked carrier version can disable the modem completely.

| Symptom | Likely Cause | Fix | | :--- | :--- | :--- | | Router hangs on "Internet" LED | Corrupt firmware signature | Serial TTL recovery (solder to JP2 header) | | No 4G after update | APN config lost | Manually set APN in http://192.168.0.1/#/apn | | Wi-Fi 5GHz missing | Wrong EEPROM calibration data | You flashed a v2 firmware on a v1 radio. Revert. | | Telnet refuses connection | Carrier hardened the firmware | Use zte_mf286r_tool.py (Python script) to brute open. | zte mf286r firmware update