You will see that there have been a number of fp4 users in this position if you follow the hashtag. In those threads the various hazards are explored.
I answered a similar point here:
… but not the 2.0 image, that is lost due to the outage … so the oldest you will find is 2.4.1.
Be very aware of your Android version and the Android version that is found from the link.
Edit I think that your phone missed the ota-upgrade to Android 13 (T).