iOS 5.5 (18P4759a)
Download iOS 5.5
This firmware is provided as a direct link to Apple's official servers. No mirroring or modification is performed.
Firmware Information
Version
iOS 5.5
Build ID
18P4759a
Release Date
July 21, 2021
File Size
0.56 GB
File Name
MD5 Sum
d4c370f6c9a60cda6006fc1d92bb6ae4
SHA1 Sum
f3e1f3bec574e724eb0624f063e38c3d3fb36a69
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.