If the upload code appears to have failed to upload, try the following steps.
Press and hold the “R” button on the XIAO RP2040, then press the “B” button again, the XIAO will enter the BootLoader, please upload the code again, it may fail again. Then the upload will be successful. This situation may occur on a computer using XIAO RP2040 for the first time, after using it once it will work normally.
1 Like