Hi @Federica Bossi I faced the same problem when with the same setup STEVAL-MKI231KA & STEVAL-MKI109V3Jumper J7, J13, J14 are shorted on STEVAL-MKI109V3.Unico version = 9.16.0.0Firmware Version =  V3.58.2I think the problem comes from the board STEVA...