Hi,
Sorry I’m late.
You can download the PCB schematic and KICAD files from the wiki. After comparing them, I found that they are consistent.
https://files.seeedstudio.com/wiki/XIAO-BLE/Seeed_Studio_XIAO_nRF52840_Plus_SCH_PCB_v1.1.zip
https://files.seeedstudio.com/wiki/XIAO-BLE/Seeed_Studio_XlAO_nRF52840_Plus_KiCAD_file.zip
What do you mean by 37 and 38?
Looking forward to your reply