1.Incorrect upgrade will damage your device.
2.Only version V5.07.XX can be upgraded to this firmware.
3.Please upgrade your device by cable connection.
4.Do not power off the device when upgrading.
5.This version solves the problem that configurations may be lost when the power is off.
6.Please unzip the file you downloaded and use the file ended with "bin" or "trx" to upgrade your device.
7.After upgrading, please restore it to factory defaults and configure the device again.
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