1. Remove the support of NextDNS and add Quada9.
2. 4G configuration page is visible without the SIM card.
3. Add the System Log download button on the System Status page.
4. Add device hardware and software information on the lower sidebar.
5. Open AT Command interface.
Any comment or suggestions about this firmware?
1. Update: Improve the compatibility of 4G connections, especially Verizon and
2. Fixed: L2TP VPN connection.
3. Fixed: 4G connection doesn't Re-connect after dropping down.
LT400 Software Download