How to Downgrade iPhone 5s to iOS 7: A Complete Guide The iPhone 5s is a milestone in smartphone history. It introduced the 64-bit desktop-class A7 processor and Touch ID. While it can run up to iOS 12, many tech enthusiasts and collectors want to downgrade it to iOS 7. This is the operating system it originally shipped with in 2013.
Formerly known as iOS-OTA-Downgrader, this all-in-one tool runs on Linux and macOS and supports a vast array of legacy devices. Downgrade Iphone 5s To Ios 7
Because the downgrade is tethered, the phone will get stuck on a black screen or a recovery loop if you restart it. To turn the device on: Re-enter DFU mode. Run the tool's boot command via terminal. How to Downgrade iPhone 5s to iOS 7:
Connect your iPhone 5s to your Mac via a USB-A to Lightning cable (USB-C to Lightning cables often fail with bootrom exploits). This is the operating system it originally shipped