iOS 17.3.1 (21D61)
Download iOS 17.3.1
This firmware is provided as a direct link to Apple's official servers. No mirroring or modification is performed.
Firmware Information
Version
iOS 17.3.1
Build ID
21D61
Release Date
February 8, 2024
File Size
6.93 GB
File Name
MD5 Sum
eaa9045ba30ac5dbaf95ee0042ffea5d
SHA1 Sum
cfc1aca882a1e659c7f46c93dbe2531b6146de89
Need help?
Our community guide has everything you need to know about restoring firmwares.
Read GuideHow to Install?
Follow these critical steps to ensure a successful firmware installation.
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.
Establish Connection
Use a high-quality MFi-certified cable to connect your device to your Mac or PC.
Verify Security
Temporarily disable Find My in your iCloud settings to allow the restoration process to proceed.
Initiate Restore
Hold Option (Mac) or Shift (PC) while clicking Restore in Finder/iTunes, then select your downloaded IPSW.
Finalize Setup
Once the installation completes, follow the on-screen prompts to restore your data from your backup.