A301V3.0 Firmware V03.03.01.23

1.This firmware is only fit for A301V3.0 and its firmware version must be in V03.03.01.XX or more.
2.Incorrect upgrade will damage your device.
3.Do not power off the device when upgrading.
4.Please unzip the file you downloaded and use the file ended with "bin" or "trx" to upgrade your device.