Xenon bricked after Firmware update to v0.8.0-rc.26

[nrobinson2000]

I had a similar problem when updating a boron last night. I was able to fix it by reflashing the bootloader and system firmware with openocd.

Boron stuck in DFU mode

You might have corrupted the bootloader (perhaps by resetting the device after flashing rc.26 while it was upgrading the bootloader). You’ll need to get OpenOCD >= 0.10.0 and try running something like this: $ openocd -f interface/cmsis-dap.cfg -f target/nrf52.cfg -c "init; program /path/to/bootloader.bin 0xf4000 verify reset exit" You can also flash the system firmware in the same manner: $ openocd -f interface/cmsis-dap.cfg -f target/nrf52.cfg -c "init; program /path/to/system-part1.bin 0x3…