Upgrade Notes:

1. This firmwareis only fit for AC21v1.0 and its firmware version must be in V16.03.11.XX ormore.

2. Do notdowngrade to lower version. If do, it will not allow to change theconfigurations even damage the router.

3. Do not poweroff the device when upgrading.

4. Please unzipthe file you downloaded and use the file ended with "bin" or"trx" to upgrade your device.

5. Please resetit to factory settings after upgraded it.

Release Notes:

1. Added connection type for Russian and for Malaysia.