Welcome @Hshi.1, to the community!
- Please download and install the most recent version of STSW-BNRGUI.
- Please also read UM2058 and check whether you have adapted the default configuration to your hardware (baud rate 115000 instead of default 921600). You will find information on this in section 2.1 and at the end of section 2.2.2.
Regards
/Peter
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