iOS 15.1 (19B74)

IPSW Firmware Unsigned
Product
Device
Version
4
Download
Official IPSW Download

Download iOS 15.1

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

Build ID

19B74

Release Date

October 25, 2021

File Size

5.55 GB

File Name

MD5 Sum

b8230d058106a4517233c3314c633725

SHA1 Sum

8b46516b011fd39baa53bfbbae4d0b36b8288290

About this Device

Identifier

iPhone10,5

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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.