The link is very interesting. Having an app changing the touch sound may be an option…!
But I am just realizing that I do not seem to know much about my phone - how do I access the directory? Do I do this via my computer or can I access the folder /system/media/audio/ui/ via the FP? If yes, how? When starting the file manager, the directoy starts with “home”, showing “Phone storage” and “SD card” as directory options…