Huawei B612233 Firmware Updated Exclusive Jun 2026

Users complaining of one-way audio on SIP trunks (especially with Asterisk and FreeSWITCH) should notice:

Go to System > Backup & Restore and save your current configuration file. 💻 Methods to Update Huawei B612-233 Method 1: Local Update (Manual) huawei b612233 firmware updated