Downgrade iPhone 3Gs to 4.1 without blobs + bypass recovery loop + hacktivation using Redsn0w by Mathieu Hautebas March 13, 2021, 11:11 pm 1.4k Views Here is a vidéo about downgrading an old BootROM iPhone 3GS running iOS 6.1.6 to iOS 4.1without SHSH blobs. . Share this: See more Previous article ASUS ROG Strix RTX 3080 OC – Unboxing the massive gaming graphics card Next article Clock Widget: Custom Clock App