Hardware Version: V4.0

Software Version: V16.03.33.04

Upgrade Notes:

1. This firmware isonly fit for AC8V4.0 and its firmware version must be in V16.03.33.XX or more.

Note: The hardwareversion marked at the lable of devices as below:

2. Do not power offthe device when upgrading.

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

4. Please reset itto factory settings after upgraded it.

Release Notes: