• Updated modem firmware to improve carrier compatibility, connection stability, and performance.
• This process may take 10 minutes.
• Improved SIM initialization and monitoring reliability.
• Improved the update experience on the device display.

Bugfixes

• Fixed an issue where port forwarding did not accept connections originating from the console or gateway.
• Fixed IPv4-only connectivity with T-Mobile when using static IP configurations.
• Fixed an issue where an eSIM profile could incorrectly appear as failed after being successfully installed.
• Fixed issues that could delay or interrupt device informs and adoption.
• Fixed an issue where WAN adoption could stall while recovering the link-local connection.
• Fixed an issue where DHCP Option 43 changes were not applied after lease renewal.

• Improved Verizon SIM compatibility.
• Improved mobile connectivity monitoring and recovery.
• Improved device stability.
• Improved data usage reporting.

Bugfixes

• Fixed an issue where modem status could remain stuck on “Connecting.”
• Fixed an issue where DNS could become unreachable in WAN mode.
• Fixed an issue where eSIM recovery after a factory reset could unexpectedly remove a profile.
• Fixed an issue where firmware upgrades initiated during adoption could hang.
• Fixed an issue where CPU load averages were reported incorrectly on U5G-Max-Outdoor.
• Fixed an issue where IPv6 connectivity could be lost.
• Fixed an issue where support file uploads could fail in WAN adoption mode.
• Fixed an issue where DNS resolution could fail when only a primary DNS server was configured.

UniFi 5G Max 7.4.1 includes the improvements and bugfixes below.

Improvements

• Added automatic network reattachment with faster recovery after connectivity loss.
• Added gradual expiration of mobile IP addresses in WAN mode for smoother transitions.
• Added increased IPv4 and IPv6 route capacity.
• Added Ethernet flow control support.
• Improved SIM initialization and overall connection reliability.
• Improved LAN mode with VPN and port forwarding support, along with enhanced IPv6 routing.
• Improved DHCP client reliability and IP address management.
• Improved system stability and performance.
• Improved mobile connectivity resiliency.
• Improved 5G network scanning.
• Improved WAN setup speed and reliability.
• Improved the user experience when using eSIM.
• Improved internet connectivity detection.

Bugfixes

• Fixed an issue where roaming warnings were not limited to the active SIM.
• Fixed an issue where applying the same APN profile triggered an unnecessary reconnect.
• Fixed compatibility issues with certain carriers.
• Fixed handling of 18-digit ICCID SIM cards.
• Fixed an issue affecting eSIM profile deletion.
• Fixed issues with static IP cleanup and AutoIP address handling.

• Improved data reporting and accuracy on the touchscreen.
• Improved eSIM activation/deactivation resiliency.
• Improved device stability.

Bugfixes

• Fixed data usage reset on reboot if adopted via a WAN port.
• Fixed a memory leak.
• Fixed firewall misconfiguration.

This is the initial release for the UniFi 5G Max.