Hardware Version: V4.0

Upgrade Notes:

1. This firmwareis only fit for F6V4.0 and its firmware version must be in V03.03.01.XX ormore.

Note: The hardware version for V4.0 asbelow:

2. Do not poweroff the device when upgrading.

3. Please unzipthe file you downloaded and use the file ended with "bin" or"trx" to upgrade your device.

4. Please resetit to factory settings after upgraded it.

Release Notes:

1. Increasethe RX hang evasion mechanism: when there is a client, the receiving packagedoes not increase for 3s, and the receiving package does not increase evenafter the client is offline, it may be rxhang, reset the wireless

2. Fix pageissues

3. Fix theproblem of VPN penetration