Xiao bricked and not responding anymore

[lakshan]

How to unbrick a dead XIAO using ST-LINK and OpenOCD

Hi, Using an inexpensive Chinese ST-LINK and OpenOCD for Windows, I was able to repair the XIAO bootloader. Here is a summary of the procedure. I hope it will be helpful. Reference: https://learn.adafruit.com/programming-microcontrollers-using-openocd-on-raspberry-pi/wiring-and-test Download OpenOCD for Windows from https://gnutoolchains.com/arm-eabi/openocd/ and extract it to C:/OpenOCD. Copy the file C:/OpenOCD/share/openocd/script/target/at91samdXX.cfg and rename it XIAO_at91samdXX.cf…

Please try the above method as mentioned in a previous post