iOS 8.4.1 (12H321)

IPSW Firmware Unsigned
Product
Device
Version
4
Download
Official IPSW Download

Download iOS 8.4.1

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 8.4.1

Build ID

12H321

Release Date

August 13, 2015

File Size

1.45 GB

File Name

MD5 Sum

3d27d44f1dddfc711446e7e51c9611a8

SHA1 Sum

0858ce92863751e3f1b750b5ee3cc3e44800a52d

About this Device

Identifier

iPhone4,1

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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.