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nRF51 DK not detected (no LED5)

Hi,

I tried to flash the mbed FOTA bootloader on my nRF51 DK. I copied the bin file to the bootloader device. It said the storage on the device is to small. Now it won't show up as a USB device and the LED5 is not lighting up anymore. I tried bootloader and normal mode on two different machines with Linux and Windows.

I tried to run nrfjprog --recover, but it says ERROR: There is no debugger connected to the PC.

JLinkExe says Connecting to J-Link via USB...FAILED: Cannot connect to J-Link via USB.

The blinky example app still is running on the nRF51422, since LED1 is blinking. I think the JLink chip is gone...

Can I recover it?

Thanks in advance!

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