Why did the sound on my iPhone 4 stopped working?

Okay so I was in the middle of watching a YouTube video on my phone. And then all the sudden at 1:30 AM my sound shut off. I was so pissed! So I looked at my side switch on my phone, it was off and I looked at the disturb button in settings it was off! An when I get a message no ring! There's no sound AT ALL. I tried turning it on and off it didn't work and I also tried double clicking the home button and minusing all of my apps didn't work!

Looks like your speaker went out.
You will have to take your phone apart and replace a speaker. You will need a set of screwdrivers made specifically for iphone and you will obviously need a replacement speaker assembly.
It's a 12 minute job (I had to do that three weeks ago for a friend). Nothing complex BUT if you have a shaky hands or frightened by the thought of doing it yourself it's best to take it to the apple shop. They probably would charge you $99 for it.
The part itself cost about $8 and like I said takes 12 minutes from start to end… Or faster.

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