Every single time your iPhone restarts or runs out of battery, it will freeze at a black screen or a bootloop.
If you do not have saved blobs for your specific iPhone 5s, a traditional "untethered" downgrade is currently impossible. However, there are advanced "tethered" methods and specific exploits like LeetDown that have changed the game for A7 devices. Method 1: Using LeetDown (macOS Only)
A true downgrade to iOS 7.0.x or 7.1.x is not possible on a standard iPhone 5s due to SEP mismatch. However, there is a workaround for dual-booting or tethered downgrades (requires reconnecting to a computer on every reboot).
Downgrading an iOS device is highly restricted by Apple. This guide covers the technical realities, methods, and alternative solutions for changing the firmware on your iPhone 5s. The Core Problem: Apple's Signing Window Downgrade Iphone 5s To Ios 7
The process took a while, but eventually, John's iPhone 5s was running iOS 7.0.4.
Open Terminal (in Applications > Utilities) and run the following two commands to download the tool:
Downgrading an A7 device requires a specific environment. Standard Windows or modern macOS setups will not work natively for most of these tools. Every single time your iPhone restarts or runs
iOS 7 is completely obsolete by modern app standards. The App Store will not allow you to download modern versions of apps like WhatsApp, YouTube, Instagram, or banking apps. You will be restricted to built-in stock apps or older, cached versions of apps already tied to your Apple ID.
Even if you bypass APTicket, the SEP will refuse to boot with an iOS 7 kernel. The only exception is a tethered boot (device requires PC to boot each time).
Downgrading your iPhone 5s to iOS 7 can be a great way to breathe new life into your device, improve performance, and experience the simplicity of an older iOS version. While the process may seem complex, following our step-by-step guide should ensure a smooth transition. Remember to always backup your data and be cautious when downgrading, as it can potentially cause issues with your device. Method 1: Using LeetDown (macOS Only) A true
The performance is breathtaking. The A7 chip on iOS 7 is a match made in heaven. Unlike the bogged-down experience of iOS 12 on the same hardware, iOS 7 flies. Animations are snappy, multitasking is instant, and the UI feels incredibly responsive. There is no keyboard lag, no stuttering when opening Control Center, and the translucent blurs of the user interface render smoothly. You are also greeted by icons that have since changed—Passbook (before it became Wallet), the old skeuomorphic Compass, and the distinct blue/green gradients of the default apps.
If you are one of the lucky few who archived their blobs, you would need to use a specialized tool like futurerestore or idevicerestore with the --use-pwned-restore-mode flag to exploit the bootrom and bypass Apple's signing server requirements. This process involves entering DFU mode, utilizing the checkm8 exploit to put the device in a pwned state, and then restoring the custom firmware file. It is a command-line heavy process that carries a risk of "bricking" the device if done incorrectly.
Most modern apps will not run on iOS 7. You will be limited to older versions available in your "Purchased" history or through Cydia tweaks.