Huawei B311 Firmware ((free))

| Problem | Likely Cause | Solution | |---------|--------------|----------| | Router stuck on boot loop | Corrupted firmware or wrong version | TFTP recovery or USB flash | | No 4G after update | Band settings erased | Manually reselect bands in service menu ( 192.168.8.1/html/index.html ) | | Cannot access web UI | Firmware changed default IP | Try 192.168.0.1 or 192.168.1.1 . Reset via pinhole. | | "Update failed" message | Firmware file not for your exact HW version | Double-check B311s-220 vs 221. |