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GS98Best answer
ST Employee
June 27, 2024

Dear,

It is possible that you did not flash the right binary (present in the STSW-L99615C package), but instead you kept a binary from the STSW-L9961BMS package, the one that provides for the use of Tera Term.
This is why you are able to connect with Tera Term but have a communication error with the GUI software.
Let me know if you can solve it with this suggestion.

Best Regards

3 replies

GS98Best answer
ST Employee
June 27, 2024

Dear,

It is possible that you did not flash the right binary (present in the STSW-L99615C package), but instead you kept a binary from the STSW-L9961BMS package, the one that provides for the use of Tera Term.
This is why you are able to connect with Tera Term but have a communication error with the GUI software.
Let me know if you can solve it with this suggestion.

Best Regards

jingbosAuthor
Associate II
June 27, 2024

Dear GS98:

It works well right now!

the GUI can communicate with STSVAL-L99615C now!

thanks for your kindly reply!

ST Employee
June 27, 2024

Dear, 

I'm happy my suggestion was useful.

Best Regards