Hi, I've just bought a second hand iPad Air, and I stupidly forgot to check that he'd signed out of iCloud. It wasn't signed out and the seller's now told me that he doesn't have the password. It's probably not stolen as he also gave me the box and receipt, and I picked it up from his house but it's obviously not an ideal scenario. Also, whilst it works fine, it's also on iOS 7.1.1, so I'm not even sure if I can upgrade the OS from now on. 1) Is there any was I can sign out/remove the old iCloud account from the device, without the password? Are there any jailbreak tweaks that would allow this? 2) Can I at least upgrade the device to iOS 8.4 without the iCloud password? Any help or advice would be greatly appreciated. Thanks, Rak.