I try to update it but it says I need a O.S 6! But for some funny reason it won't let me! Will I ...

I can't upload other apps either.

How can you make your iPad update do I can update DC?

I don't know what to do! My I updated that app many times and it said I need to update it to O.6s...

I uploaded the update it says I need to update my software,

And DC logged me out and I can't get back on my IPad needs updating but it won't let me update...