iPhone 4 (iOS 7.1.2) no YouTube App available to download

That's right. The iPhone 4 is obsolete. You can't update it beyond 7.1.2.

Yes

It says u need ios9 and I'm on a iPhone 4 and I want to download youtube on my other iPhone 4 had youtube on it and I want to download instagram to but it won't let me can you help

Since you have totally different problem, I suggest you start your own thread for it rather instead of expecting help here.

Yes im wanted

Precisão muito desse app

Yes i want to download youtube in 4 but it want version 9

Hence you will never get it on your iPhone 4.

Please help me how to install old youtube app for ios7.1.2

Did you read anything at all in this thread before posting?

iOS 7.1.2 update iOS 9

chanchalfromhajipur wrote:

iOS 7.1.2 update iOS 9

No.

ios 7.1.2 is the last update from apple for the iphone 4.the iphone 4s is updatable to ios 9.3.5

Yea, I want the youtube for myiPhone 4 ios 7.1.2

Hi how I install the YouTube for iPhone 4 iOS 7.2.1