Hardware Version: V4.0
Upgrade Notes:
1. This firmware is only fit for F6V4.0 and its firmware version must be in V03.03.01.XX or more.
Note: The hardware version for V4.0 as below:
2. Do not power off the device when upgrading.
3. Please unzip the file you downloaded and use the file ended with "bin" or "trx" to upgrade your device.
4. Please reset it to factory settings after upgraded it.
Release Notes:
1. Increase the RX hang evasion mechanism: when there is a client, the receiving package does not increase for 3s, and the receiving package does not increase even after the client is offline, it may be rxhang, reset the wireless
2. Fix page issues
3. Fix the problem of VPN penetration
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