Chosen Solution
I dropped my phone on the floor face flat (it had a screen protector on) by accident and there were no screen cracks, but when I opened my front camera on the screen I see a black line on the corner of the screen. It’s small but when I zoom in it’s gone and the back camera is perfectly fine. Is the front camera actually damaged or is it just the screen protector obstructing the lens?
My guess is the screen protector or the screen itself have a small crack. I would try pulling off the screen protector. You need to heat it up with a hair dryer and slowly lift it off. And if it’s just the screen protector just put on a new one. If you do it yourself just make sure the screen is really clean, you don’t want dirt stuck between it. And don’t spray cleaner right onto the screen. Spray it on a rag and wipe the screen. I hope this helps.