B622-335 Firmware Fixed Jun 2026

Downgrading to any version before v2.0.0 is blocked on hardware manufactured after April 2023 due to a fuse being blown during the initial v2.0.0 upgrade. Check your device date code.

Updates the internal modem configuration to improve signal reception and speed up connection handoffs between cell towers. B622-335 Firmware

Intelligent steering between 2.4 GHz (for range) and 5 GHz (for speed) bands. Downgrading to any version before v2

Are you trying to for another network carrier? Intelligent steering between 2

The firmware includes a "Carrier Lock" mechanism that whitelists specific MCC (Mobile Country Codes) and MNC (Mobile Network Codes). If a SIM card from an unauthorized carrier is inserted, the firmware initiates a connection refusal at the modem level.

A5: Yes, the router is compatible with the official "Huawei AI Life App," available on Google Play and the Apple App Store. You can use it to change Wi-Fi settings, manage connected devices, and potentially update firmware without using a web browser.