Upgrade Notes:
1. This firmware is only fit for W18Ev1.0 and its firmware version must be in V16.01.0.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. Added Facebook Authentication.
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