The tool will stitch a set of valid local blobs, format the partitions, and flash iOS 5.1.1. Do not touch the cable or disconnect the phone during this phase. The process typically takes 5 to 10 minutes. Step 6: Initial iOS 5 Setup
If you run into any specific errors during the process, let me know your computer runs and the exact error message you see so I can help you troubleshoot.
Use a computer running macOS or a Linux distribution (Ubuntu is highly recommended). Windows users can use a live Linux USB boot drive. Install (on Mac) to easily manage dependencies.
If your phone fails to activate over Wi-Fi during the setup screen, plug it into a computer running an older version of iTunes. iTunes will ping Apple's activation servers and instantly bypass the screen.
Force-restart the phone by holding the Power and Home buttons for 15 seconds until the Apple logo appears. Post-Downgrade Tips: Living on iOS 5
, if you:
To attempt this downgrade, you generally need specific hardware and software conditions:
This performance degradation is the primary reason many seek to downgrade their iPhone 4S to iOS 5. Lower firmware versions like iOS 5 are known to run much smoother on this hardware. Other compelling reasons include:
Before you begin, you must understand the unique challenges of downgrading an A5 device like the iPhone 4s.
Turn off iCloud music features and sync high-quality MP3s or AAC files directly from iTunes to enjoy a nostalgic, lag-free iPod experience.
