Why am I experiencing microphone issues after screen replacement on my smartphone?

Why am I experiencing microphone issues after screen replacement on my smartphone?
I recently had the screen on my smartphone replaced, and since then, I’ve been encountering issues with the microphone. It seems like the microphone isn’t picking up sound as it should, leading to muffled or completely silent voice recordings and calls. This problem only started after the screen replacement, so I suspect the repair might be related to the issue. It’s quite frustrating because everything else on my phone is working perfectly fine. I’m not sure if something was inadvertently damaged during the repair or if there’s a connection that wasn’t secured properly. The microphone used to work flawlessly before, and now it’s causing significant inconvenience in my daily communications.
7 Answers

The most likely cause of your microphone issues after the screen replacement is a loose or improperly connected component. During the screen replacement, it’s possible that the technician didn’t securely reconnect the microphone flex cable or missed reseating a small connector. To resolve this, you might need to open the device again and ensure all cables and connections are properly seated.

In my repair shop experience, improper handling during a screen replacement can cause microphone issues. Technicians might apply pressure to the wrong areas or forget to reconnect grounding points, interfering with the microphone’s function. Ask the repair shop to double-check their work thoroughly to ensure everything was done right.

Incompatibility between the new screen assembly and your phone’s original hardware is also a potential cause. Manufacturers often modify components, so a screen for one version of a phone may not entirely fit another, even if they look identical. Checking compatibility with the manufacturer or sourcing the replacement from an authorized dealer might solve the issue.

My personal experience with a similar issue revealed the problem was with the replacement screen itself. Sometimes, new screens can be of low quality and affect various functionalities, including the microphone. You might want to check if the replacement screen has any reviews indicating issues or consider trying another screen from a reputable supplier.

From my experience repairing smartphones, I’d suggest you investigate the possibility that the microphone assembly got damaged. While replacing the old screen and installing a new one, technicians can sometimes inadvertently damage delicate components. This can occur even with careful handling due to the intricate nature of smartphone hardware.