A variety of errors and bugs may occur on an iPhone, iPad, and iPod device, such as a black/white/blue/frozen screen, loop restarting, getting stuck in DFU or Recovery mode, etc. With iOS System Recovery, you can solve these glitches at a time. It will guide you with clear instructions.
If you want to update your iOS on an old iPhone that you cannot receive the software udpate, or prefer an old software system, this system repair software can help you with its Upgrade and Downlgrade features. You can complete the iOS change with no jailbreak.
It provides two modes to fix iOS devices: Standard Mode and Advanced Mode. If you don't want to lose your data on your mobile device, you can use Standard Mode. Advanced Mode is capable of repairing more issues and removing all data completely.