Software Version: V04.03.01.26a

Upgrade Notes:

1. This firmware is only applicable to 4G03 Pro, the devices current firmware version must be V04.03.01.10

Note: Please confirm the hardware version in device GUI: System Status->Hardware Version before upgrade

2.Do not power off the device when upgrading.

3.It is recommended to restore factory settings after upgrading.

Release Notes:

Update some APNs to ensure compatibility with more ISPs.

Add Failover and Lock Band functions.

Improve wired WAN performance and increase VLAN configuration.