Yes, or they broke something themselves and replaced it, or fixed a loose cable without realising. There are so many possibilities but trying to get a shop work

Yes, or they broke something themselves and replaced it, or fixed a loose cable without realising. There are so many possibilities but trying to get a shop worker to agree that it’s a software bug is going to be tough. My experience with these sort of things is that companies will generally do the opposite - make you do software resets for things that are obviously hardware issues.