Would you like steps to update official firmware or force band selection without custom firmware?
– they have known security vulnerabilities and LTE modem bugs. huawei b535232 firmware better
| Feature | Stock ISP Firmware | Better (M33/Custom) Firmware | | :--- | :--- | :--- | | | Automatic only (often broken) | Manual lock to any 4G band (1,3,7,8,20, etc.) | | Cell Tower Lock | None | Lock by PCI (Physical Cell ID) | | External Antenna | Auto-detect (unreliable) | Force "Only Antenna" or "Only Internal" | | TR-069 (ISP remote control) | Enabled (spying possible) | Disabled/Killed | | SMS to Email | None | Built-in forwarding | | VPN Passthrough | Often blocked | Full IPsec/OpenVPN routing | | Wi-Fi Channels | Limited to 2.4GHz only | Unlocks 5GHz DFS channels | Would you like steps to update official firmware
The 10.0.3.3(H164SP2C983) is widely considered the “best” for most users – it improves band locking stability and CA performance. Avoid 10.0.3.5 if you rely on 2.4GHz Wi-Fi for older devices. Avoid 10