Upgrade Notes:
1. This firmware is only fit for AC11v2.0 and its firmware version must be in V02.03.01.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. Improved the stability for long-time running.
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