Please clarify which device you have:
Remember: always download firmware directly from the official portal, never interrupt a flash process, and always verify after an upgrade. Whether you manage one controller or a thousand, mastering the B622-335 ecosystem pays dividends in operational reliability. B622-335 Firmware
References
: The web panel is often described as "simple and useless" because it hides frequency, band, and CA (Carrier Aggregation) settings. Bridge Mode Please clarify which device you have:
: Users must manually toggle antenna settings to "external" rather than "auto" for improved signal performance. SSID Separation never interrupt a flash process