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            U50V2&U20V2 reset factory

            1.reset whole system,step as follow
            • turn off device
            • press the reset button and turn on the device,release the reset button after about 6-8s) until the sys led goes on
            • wait about 8mintues,system will bootup again smoothly if it is correct

            2.reset only application 

            • device is on working status,and blinking once per second
            • press Reset button about 6s-8s,then relese and it will recovery application,
            • but usually we didnt use this ,and prefer to reset from GUI

            Updated: 10 Jul 2018 06:56 AM
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