ReiBoot is the iPhone recovery mode tool, it has such funtions as:

• 1-Click to Enter/Exit Recovery Mode free
• Repair 150+ iOS/iPadOS/tvOS system problems like stuck on Apple logo, screen won't turn on, recovery mode loop, etc.
• Repair many tvOS 14 beta/13 stuck issues on Apple TV effortlessly
• Downgrade iOS 14 beta to iOS 13.6.1 without losing data (Also for iPadOS)