My iPhone won't associate with my Apple ID?

So I was having Wi-Fi problems with my 4S so I had it replaced and had now to set back up on the family computer because it wouldn't work on my laptop and I don't know what I did wrong, but now it's linked to my brothers ID. And now it's saying I can't download any of my apps, music, Shows, etc. For 45 days! How can I link it to my account so I can download now?!

Well I'm not exactly sure but the best solution is to call Apple themselves!

That's what I would do!

Go to settings and then goto store and you can log out, then log back in with your info sometimes in the syncing process it gets other people who share the same computers info