B311-221 Unlock Firmware !!link!!

Log in with your admin credentials (default is usually admin / admin ).

Take a SIM from a carrier different than the one you bought the router from. Insert it and power on the device. 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 | Log in with your admin credentials (default is

: This involves overwriting the carrier-branded firmware with a universal "global" version. B311-221 Unlock Firmware