I have a iPhone 6 and everything has been great with it till today. When I get bored I watch some YouTube and everything is usually good but today all of a sudden the clarity is horrible. It's not the people making the YouTube videos because I played some videos that I watch yesterday that had great picture quality and now it's horrible. What can be causing this? I rebooted it but still nothing?

Did you do a hard reset by holding down home and power at same time till logo appears?

 

 

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I have found that usually your signal strength dictates your resolution with YouTube.

Did you do a hard reset by holding down home and power at same time till logo appears?

 

Yea did that twice. Read some stuff online where people said it does it to them when they are not on wifi, I have full signal on wifi and it's doing it and I'm always on wifi at home and had no problem till today. My girlfriend told me hers is doing it to, so maybe a YouTube thing?

 

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Mine also does it too. Depends how many people are using your signal and the amount of data that is streaming to the devices that are using the same connection. Sometimes you have to give it a min to run clear.

 

I have some kids on their devices and netflex, so when I try to watch something on youtube its a little slow.

 

Can try restarting your wifi also.

I have no such problem on my 6+.  Are you using WiFi or cellular?  If cellular is it 4G LTE, or is it dropping down to 3G or 1X?  In either case try running a speedtest program to see what sort of bandwidth the phone is receiving, that is likely the issue.

Tried on both wifi and LTE same thing. How so I do speed test?

 

My girlfriend downloaded the YouTube app because Apple said to and she said the app is perfectly clear how it was before.

Yes - download the Youtube app over going over the regular browser - it works much better.

Glad to hear the app fixed it.  There are several free apps that will let you check your upload and download speed.  Here is a screen shot of one I use:

Cool thanks Howard I will do that for sure!