The ear piece works but the volume is so low (due to the spill) you can't really hear the caller unless you're in a very quiet place.
I've been forced to use my speaker phone for the past 9 months.
Apples website says to never use compressed air. I’m assuming on all ports but I wouldn’t use it on any of the grill covered ports.You can use compressed air to blow debris and other stuff out.
I've used cotton swabs and toothpicks to get all the muck and other stuff out of the ear piece, but for the headphone jack, try compressed air.
.....if you want to get creative.
I have 2 questions.This is going to sound weird but get a qtip and dip it in super hot water. Not dripping but enough to soften the junk. After a few minutes, put your mouth over the grill and suck gently.
I know it’s weird and crazy but it works. Just keep softening and sucking. Should clear it up.