Download iOS 5.1.1 (9B206) for iPhone 4[S]

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Looking for Beta Firmware?

Check if there are beta versions available for your iPhone 4[S] on our beta portal.

Visit Beta IPSWDL
Firmware Identifier iPhone4,1
iOS Version 5.1.1
Release Date 1970-01-01
Update Date 2012-04-27
Sha1sum
ac99928cc52fcb24502959ace3c36a63ba75ab6c
Sha256sum
b6870acf127a58e2775f93b9314cc678ac39caed7f0cbd13699f5f3a09c6f277
md5sum
50d2ef6d24b99525786aea25bb1f69cf
Size 0.78 GB
FileName
iPhone4,1_5.1.1_9B206_Restore.ipsw
Status

Download IPSW (0.78GB) Check device info Check Beta Firmware
Release Notes

It should be noted that these are the official release notes for the from Apple

This update contains improvements and bug fixes, including:

For information on the security content of this update, please visit this website:

http://support.apple.com/kb/HT1222

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Frequently Asked Questions

What is IPSWDL.COM?

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IPSWDL.COM is a website that provides download links for IPSW files, which are used to install or restore firmware on Apple devices. These files are sourced directly from Apple's servers.

What is an IPSW file?

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How can I use an IPSW file to restore my device?

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Where can I download IPSW files?

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What is the difference between IPSW and OTA updates?

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Can I downgrade my iOS version using an IPSW file?

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