1.Incorrect upgrade will cause damage to your device.
2.Do not power your device off while upgrading.
3.Only firmware version V1.1.XX can be upgraded to this version.
4.This firmware supports more ISPs.
5.Please unzip the file you downloaded and use the file ended with "bin" or "trx" to upgrade your device.
6.After upgrading, please restore it to factory defaults and configure the device again.