UpgradeNotes:
1. Thisfirmware is only fit for W15EV2.0 and its firmware version must be in V15.11.0.XXor more.
2. Donot power off the device when upgrading.
3. Pleaseunzip the file you downloaded and use the file ended with "bin"or "trx" to upgrade your device.
4. Pleasereset it to factory settings after upgraded it.
ReleaseNotes:
1. Modifiedthe default language as English.
