How to Repair iOS System with ReiBoot
iOS is no doubt the best mobile operating system ever, nevertheless, sometimes our iPhone, iPad, or iPod touch may come across trouble. These issues can happen after updating to a new iOS 13, jailbreak or physical damage. You can always reboot or use recovery mode restore to fix these problems, but not for the severe ones. For most system issues, you need to repair iOS system to get rid of them completely. Tenorshare ReiBoot is the processional iOS system recovery tool that helps repair iPhone system within 10 minutes to fix almost all iOS stuck issues.
Step 1: Download and Install ReiBoot on Your PC or Mac
Download and install ReiBoot on your computer and then run the software and connect iPhone to computer. Click "Repair Operating System" once the device is recognized.

Step 2: Click "Fix Now" to Proceed
Then you'll see an interface like below, click "Fix Now" to proceed if your iOS device is not working properly.

Note:
1. If your iOS cannot be detected, ReiBoot will guide you to put your iPhone into recovery mode first to get it detected.

2. However, when the device still not showing up even in recovery mode, you can click the "enter DFU mode" link to see how to put iPhone into DFU mode.

3. By default, Tenorshare ReiBoot Pro uses the standard system recovery mode, this recovery mode will not cause data loss and thus is recommended. However, if you failed to repair iOS system in the standard mode, you can choose "Deep Repair". This advanced repair mode can repair system more deeply but it will wipe out all data in your device.

Step 3: Download Firmware Package
Then you'll enter the firmware download screen. You can click "Browse" to set the save path for the firmware. Then click "Download" to start downloading iOS 13 firmware package.

Tips:
If you failed to download the firmware package here, you can click "Copy" to download it through browser.
For people who have already downloaded the firmware package to computer, just click "Select" to import the firmware manually.

The firmware package is around 2.5 GB, so it may take you some time.

Step 4: Start iOS System Recovery
Once the firmware package is downloaded to computer, you can click "Repair Now" to start system recovery.

The whole process will take around 10 minutes; do not disconnect the device during the process. Once the repairing process ends, your iOS device will boot up as normal.
