Hi,it works thanks JocelynJust adding some infos where I found these optionsclick right when selecting the project which fail linkingThen propertiesGot to C/C++ build setting MCU GCC linker in Librairies you have entry :se_interface_app.oremove it bu...

Hi I experienced same issue with HeartRate project for STM32WB cubeThis project use low power mode After first flash, I guess the ST-LINK enter a race to get a grab on the MCU with the internal firmware (and loose...even if CONNECT UNDER RESET is use...