Firmware Upd - B311-221 Unlock

⚠️ : Messing with firmware can brick the device. Proceed at your own risk.

Access the management page (usually 192.168.8.1 ). A prompt for a "SIMLOCK Code" or "NCK" should appear. Enter your code and click Apply . Method 2: Firmware Upgrade/Flash B311-221 Unlock Firmware

: The unlock is integrated at a deep level, meaning the device will not revert to a "locked" state if you reset the router through the physical reset button or its web interface. Web UI Access : Unlocked versions typically provide full access to the Web Management Page (usually at 192.168.8.1 ⚠️ : Messing with firmware can brick the device

Unlocking the B311-221 firmware is you need carrier freedom and advanced LTE controls. Use Method 1 (code unlock) for simplicity. Use Method 2 (full firmware) for power users wanting band locking and TTL tweaks. A prompt for a "SIMLOCK Code" or "NCK" should appear

This paper is for educational purposes only. Modifying device firmware may be illegal in certain jurisdictions and will void your warranty.

Check your sticker on the bottom of the router. Look for B311s-221 or B311-221 . Some unlock tools also read the chipset via AT^CIMI .