With iOS 8.2 well in to its beta testing phase, that will likely be Apple’s next big mobile OS roll-out. This release includes bug fixes and addresses a problem where ringtones purchased through the iTunes store may have been removed from your device. To restore these ringtones, visit itunes.com/restore-tones from your iOS device.
Be sure to check out and bookmark our resource page which contains links to all iOS versions.
Jailbreakers please see this page to see if a jailbreak is available.