Cannot connect to youtube ipad ios 5 1

Is there any way to set up third party youtube app as default on iOS 5.1.1 (iPad1,1) i.e. ProTube? I've heard about TubeSelector, but it's only available for higher iOS versions. Downgrade iOS 5.1.1 To 5.1, 5.0.1, 5.0 On iPhone, iPad, iPod touch (A4 Devices) [How-To Tutorial] By Ben Reid | May 8th, 2012 Apple works pretty darned hard to ensure iPhone, iPad and iPod touch users cannot downgrade their devices. Mar 29, 2014 · new iOS iPad apps always report "cannot connect to server" I happily downloaded and installed all 3 of the new office apps for my iPad, and purchased a new office 365 subscription. I have activated them all, and each of them is able to list my OneDrive contents at the root folder.