My iPhone won't play YouTube?

I just bought it second hand. The speakers don't work but that wouldn effect its ability to play YouTube would it? It's a different error code each time.

How to listen to audio on iPhone on iPhone mode and on the speaker?

I put an aux cord in my headphone jack and when I took it out, it broke and now I have a broken piece of aux stuck in there. So my phone thinks IIm in headphone mode, so I can't listen to any music or audio from videos on my iPhone. I've tried so many ways to get it out but I can't. Is there a way to listen to it out loud on the iPhone s speaker and on "headphones"?

Changing sim from iPhone 5c to Sony?

Due to my screen shattering (too expensive to repair) I'm changing my phone to an old Sony Xperia. And I don't know anything about how to do it.

How do I make it so I keep all my texts & contacts & photos? Is this possible? What happens with my monthly contract?

Really appreciate all help, will award 10 points for best answer

What's the best photography camera for beginners?

I'm really interested in learning more about photography since I have been taking photos with my iphone. And I was wondering which camera is best for a beginner? Mostly I'm interested taking sunset portraits and the bokeh. And where can I get the lens too?

Will jail breaking iPhone violate warranty?

I looked on Google and it's saying it will but I can remove the jail break with iTunes and Apple won't know it "was jail broken" and or I can use an app to remove it and my iPhone cost to much cost more than $900 and is it worth jail breaking? Wanna jail break to bypass ban on an app and I heard UDID Faker will work etc please help

How do people get free music on their iPhone?

I've always bought my music from the apple music store, but it's expensive. A lot of people I know say they NEVER buy music! They get free music from websites or something. IIm just not sure how safe that is… What do you think? How do you download your music?