Erase SPI Flash manually
There are two ways to clear the data in SPI Flash.
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On Board:
If the board can boot up success, we can erase through the rsetup tool after system up.
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On PC:
If the board can't boot up or you don't want to erase on board, you can erase via usb port.
On Board
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Open a terminal and run rsetup
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Select "System Maintenance"
- Select "Erase SPI Bootloader"
- Select "OK", press the space bar and select "radxa-cm3-io"
On PC
Please refer to Erase eMMC or SPI Flash