Hardware Version: V3.0

Software Version: V02.03.01.121

Upgrade Notes:

1. This firmware is only fit for A15v3.0 and itsfirmware version must be in V02.03.01.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 issue that it gets hang after 2.4GHz rebootfrequently.