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[General] Device doesn't enter MaskRom upgrade mode

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Posted at 9/6/2022 21:36:36     
I'm use AIO-3568J and have 2 Core-3568J core boards. One of them works normally, but second is bricked. I tried to enter bricked one in MaskRom mode using this manual https://wiki.t-firefly.com/en/Core-3568J/04-maskrom_mode.html , but device don't enter MaskRom mode (RKDevTool still writing "No Devices found"). So i tried enter Maskrom mode on working one, but it doesn't enter MaskRom mode too. All wires were tested with multimeter. I use original USB data cable and power supply from standart package. All drivers installed on PC by DriverAssistant. Have you any ideas about this issue?
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Posted at 9/7/2022 11:20:03     
the wiki is not very articulate
First connect the usb cable, then short two test points on core board and hold it, then connect the power
After few seconds, stop shorting the test points, then see if RKDevTool is reporting a maskrom device.
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Posted at 9/7/2022 13:42:02     
Liuth Posted at 9/7/2022 11:20
the wiki is not very articulate
First connect the usb cable, then short two test points on core boa ...

Thank you for the answer. It helped a lot
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