@elysian893 I guess you did install UT yourself?
To do so, if I'm right, you first have to revert back to Android 11 before installing Ubuntu Touch. The reason is that the device has been ported on Android 11 and thus it needs specifically those vendor firmware from Fairphone. If in the meantime the device has been upgraded to A12 or 13, then there are large chances that you will get issues on the general use.