U50V2&U20V2 reset factory

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 sys indicator is 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

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