iOS 17.5.1 (21F90)
Download iOS 17.5.1
This firmware is provided as a direct link to Apple's official servers. No mirroring or modification is performed.
Firmware Information
Version
iOS 17.5.1
Build ID
21F90
Release Date
May 20, 2024
File Size
7.37 GB
File Name
MD5 Sum
0ae5fe2217a9f4076f34d7571ce4a5b4
SHA1 Sum
a24eff810ec27d1eefcea64e36ce7e0c0a6c6bc9
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.