Download iOS 11.2.1 (15C153) for iPhone 7 (GSM)

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

Firmware Identifier iPhone9,3
iOS Version 11.2.1
Release Date 2017-12-13
Update Date 2024-12-22
Sha1sum
8f83e7c2e01b87a98437434574e943a733bb1c42
Sha256sum
c0d83f6178b90f8a1420d7d1f85e3a88a9f1e328bbebdac6d55c852ad2ef1b36
md5sum
60e9f1e059cf412002ea243a05c2276a
Size 2.61 GB
FileName
iPhone_4.7_P3_11.0_11.2.1_15C153_Restore.ipsw
Status

Download IPSW (2.61GB) Check device info
Release Notes

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

iOS 11.2.1 fixes bugs including an issue that could disable remote access to shared users of the Home app.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222

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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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