Hardware Version: V1.0

Software Version: V16.03.11.14

Upgrade Notes:

1. This firmware isonly fit for AC21V1.0 and its firmware version must be in V16.03.11.XX or more.

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:

1. Fixed the translation issue in GUI.

2. Fixed the issue that IPTV status shows wrongafter change work mode

3. Optimized the experience for application viaIPv6.