1. This firmware is only applicable to 4G03 ProV1.0, the devices current firmware version must be V04.03.01.XX
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.

1. Added wired wan function.
2. Added failover and wan switching functions.
3. Improved product ISP compatibility.