iOS 15.1.1 (24B91)

IPSW Firmware Currently Signed
Product
Device
Version
4
Download
Official IPSW Download

Download iOS 15.1.1

Download OTA Update

This firmware is provided as a direct link to Apple's official servers. No mirroring or modification is performed.

Firmware Information

Version

iOS 15.1.1

Build ID

24B91

Release Date

November 19, 2024

File Size

14.67 GB

File Name

MD5 Sum

bfc093317a8a9a5717123c5ffe18009c

SHA1 Sum

b515c07a7322d27f9bc672ef40bc6e3d1b09bea3

About this Device

Identifier

Mac14,7

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Need help?

Our community guide has everything you need to know about restoring firmwares.

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How to Install?

Follow these critical steps to ensure a successful firmware installation.

1

Secure Your Data

Always start by creating a full backup of your device via iCloud or a computer to ensure your personal files are safe.

2

Establish Connection

Use a high-quality MFi-certified cable to connect your device to your Mac or PC.

3

Verify Security

Temporarily disable Find My in your iCloud settings to allow the restoration process to proceed.

4

Initiate Restore

Hold Option (Mac) or Shift (PC) while clicking Restore in Finder/iTunes, then select your downloaded IPSW.

5

Finalize Setup

Once the installation completes, follow the on-screen prompts to restore your data from your backup.