UltFone iOS System Repair is a professional iOS system recovery tool that contains three major features: Enter & Exit Recovery Mode, Reset Device and Repair Operating System. With UltFone iOS system repair tool, you can put any iPhone/iPad/iPod touch into or out of recovery mode with only one click. And if your iDevice gets stuck in recovery mode or stuck on Apple logo/reboot loop/black screen, it'll empower you to fix not only these but also other 150+ iOS system issues/errors/stuck without any data loss. Key features of UltFone iOS System Repair Mac: 1, Fix 150+ iOS system issues like Apple logo, reboot loop, and black screen without data loss. 2, Reset iPhone/iPad/iPod Touch without password/iTunes/Finder. 3, Downgrade from iOS 15 without iTunes. 4, Support all iOS versions and iPhone models, including the latest iPhone 13 series and iOS 15.