Jailbreaking is an activity that promises a lot and there are thousands who jailbreak their iPhone to avail these benefits. However, there is a growing discontent among many who have got the jailbreak as they find that their devices becoming unstable and they also experience other glitches with their phones. Many iPhone owners complain that their devices reboot without any need very frequently to their irritation. If you are experiencing these problems, you can always revert to old configurations of the iOS by making use of software called TinyUmbrella. Download TinyUmbrella for Windows 7 64 here for free and make your iPhone work smoothly again.