Too bad bro.. Try to clear camera cache / data or resetting it's settings. It might help... And for the flash try to restart in safe mode if it fails then do a software update it should work other if these fails do factory reset. If all this does not...
No, the Galaxy A04e is not scheduled to receive the Android 15 update because It was launched with Android 12 and it have received its final major software update with Android 14 (One UI 6.0).