iOS 15.3.1 (24D70)

IPSW Firmware Currently Signed
Product
Device
Version
4
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Official IPSW Download

Download iOS 15.3.1

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

Firmware Information

Version

iOS 15.3.1

Build ID

24D70

Release Date

February 10, 2025

File Size

15.40 GB

File Name

MD5 Sum

8bf666a8d89382b396a55d02594144eb

SHA1 Sum

c2b5bca53c6cf475e7a2a0b6d6c0db19477d69eb

About this Device

Identifier

MacBookPro17,1

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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.