The firmware features a "Smart Connect" toggle. When enabled, it combines the 2.4GHz and 5GHz bands into a single Wi-Fi name (SSID). The firmware automatically steers your devices to the best available band depending on your distance from the router. Quality of Service (QoS)
| Version | Release Date | Key Updates | |-----------|--------------|-----------------------------------------------------------------------------| | v2.0.0 | 2022-03-01 | Initial v2 release – SIP TLS/SRTP, VLAN tagging. | | v2.1.4 | 2023-01-15 | Improved T.38 retransmission; fixed FXS polarity reversal bug. | | v2.2.0 | 2023-08-20 | Added IAX2 support; WebUI dark mode; increased concurrent call stability. | | v2.3.1 | 2024-05-10 | Security patches (TLS 1.3), auto-provisioning variables, 3GPP IMS profile. | vx420-g2h v2 firmware
If you cannot find a manual "Upload" button in your interface, your ISP has likely disabled manual flashing to ensure network compatibility. In this case, you must contact your provider's technical support for software assistance. The firmware features a "Smart Connect" toggle