: Power off the router and insert a SIM card from a different network provider. Access the Web Interface : Connect your PC to the router via Ethernet. Navigate to http://192.168.8.1 in your browser.
Flashing "Unlock Firmware" is often used to remove carrier branding or enable features like Telnet and hidden APN settings. : Some community-shared links for unlock firmware are hosted on Google Drive . B311-221 Unlock Firmware
| Feature | Locked Firmware | Unlocked Firmware | |--------|----------------|-------------------| | Any SIM | ❌ | ✅ | | Band Locking (LTE B1/B3/B7/B20/B38) | ❌ | ✅ | | TTL Bypass (for hotspot) | ❌ | ✅ | | Advanced Antenna Settings | Partial | Full | | Custom APN Profiles | Limited | Unlimited | : Power off the router and insert a
: Find your 15-digit IMEI number on the device label or by logging into the Web Management Page (usually 192.168.8.1 ). Flashing "Unlock Firmware" is often used to remove