UPDATED: 2022-05-24
- As of updating this post, there is no downgrade tool that utilizes a SEP exploit released, so this limits our options for downgrading 64-bit (A7 and newer) devices
- Here is a futurerestore guide for downgrading with SHSH blobs for 64-bit devices
- How to downgrade from iOS 15
- Save SHSH blobs using blobsaver
- GitHub repo for futurerestore: https://github.com/futurerestore/futurerestore/tree/test
- Latest futurerestore can be downloaded here: https://nightly.link/futurerestore/futurerestore/workflows/ci/test