Chosen Solution
So my mic doesn’t work during calls or to record video. I’ve been told it’s a problem with my logic board and was caused by an update. So how do I fix it by replacing my mics or logic board?
Being an iphone 7 chances that is a logic board issue are there, it’s a fairly known problem. A replacement charging assembly is not very expensive and one might try a replacement but has to consider it’s probably a waste of time and money. There’s no other way to tell what’s wrong on a do it yourself basis.
