A18V2.0 Firmware V02.03.01.41

1.This firmware is only fit for A18V2.0 and its firmware version must be in V02.03.01.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.