Hardware Version: V3.0
Software Version: V02.03.01.121
Upgrade Notes:
1. This firmware is only fit for A15v3.0 and its firmware version must be in V02.03.01.XX or more.
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. Fixed the issue that it gets hang after 2.4GHz reboot frequently.
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