Hardware Version: V1.0
Software Version: V1.0.0.0
Upgrade Notes:
1. This firmware is only fit for A21v1.0 and its firmware version must be in V1.0.0.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. First release.
UG - 3,4,5,8A and 11, Devika Tower,Nehru Place, New Delhi, India - 110019
