BD4UIN gat1ta It's also not entirely his fault; it could also be due to issues with the batch of boards.
BG3LNT https://github.com/hugen79/NanoVNA-H/issues/51#issuecomment-2019887968 https://github.com/hugen79/NanoVNA-H/issues/86 可以参考
BG7NDD The boss didn't have a Chinese version of the firmware, so I shared one with him. He bought an English version.