So I found some shsh2 blobs I saved around seven years ago for my iPhone 7+ and using Turdus Merula I fully downgraded to iOS 12.1.4 and also jailbroke the phone.

Memories are flooding me. https://cdn.nostrcheck.me/5f6622e120136f7415b9476e0b06fea804dd8bd22f6a072d63336ac775f494d0/d3e4caf892c5589ebede642681452c9e0c4083f55905b9588e75ce1988a8ede9.webp