/3/4) : These are much easier to downgrade and often support "forced" downgrades to specific versions (like iOS 6.1.3 or 8.4.1) even without blobs. 64-bit (
3uTools is a free software tool that allows you to manage and modify your iOS device. It offers various features, including jailbreaking, unlocking, and restoring unsigned IPSW files. restore unsigned ipsw 3utools
Restoring an unsigned IPSW file using 3uTools can be a bit tricky, but with the right guidance, you can successfully complete the process. Make sure to follow the steps carefully and take necessary precautions to avoid any potential risks. If you encounter any issues during the process, refer to the troubleshooting tips or seek help from the 3uTools community. /3/4) : These are much easier to downgrade
(recommended for unsigned)