Chosen Solution
I have a working iphone 7 plus with a cracked screen. It landed face down on a rock. The case didn’t help much. Problem is when i move the components to the new screen the mic doesn’t work. i try to hold down the home button and talk to siri and nothing. I moved the components(home button, top ribbon cable, along with a square double sided sticky tape, and two mounting clear houses) back over to the broken front panel and everything works fine. I have done this back and forth a couple times now to make sure nothing is damaged and i can’t mic and phone working when i put in the new lcd screen. I have done a factory reset and that didn’t help at all. Any tips or information on this? Do i have have a defective lcd/digitizer?
I have an idea that I think might work for you. Basically, your saying that when the screen is installed, mic and Siri stop working. Remove the old screens “ear speaker mesh” and install it on the new screen. Your ear speaker mesh on the new screen may be interfering with the sounds causing cerain functions to stop working. Transfer over the ear speaker mesh and that should solve this issue for you. If all that fails, you can then try a new screen but try this first. Let me know how it works out.
