Download and install iOS firmware: 3uTools is a free software that allows you to download and install iOS firmware. You can also install Cydia and make it available for download.

It is a free software that allows you to download and install iOS firmware. You can also install Cydia and make it available for download. Backup and restore your device: 3uTools application allows you to backup and restore your device.

Step-by-Step Guide How to Use 3uTools

1. Download and install 3uTools
2. Connect your iPhone to the PC
3. Run 3uTools
4. Click "Enter Recovery Mode"
5. Click "iTunes Mode"
6. Turn off "iCloud"
7. Turn off "Find My iPhone"
8. Click "Restore"
9. Select the iOS 10.0.1 IPSW file
10. Click "Start"
11. Disconnect the iPhone