iOS 11.3 (15E216)
Download iOS 11.3
This firmware is provided as a direct link to Apple's official servers. No mirroring or modification is performed.
Firmware Information
Version
iOS 11.3
Build ID
15E216
Release Date
March 29, 2018
File Size
2.77 GB
File Name
MD5 Sum
8204c10f19a5605771c0684a0a4c665a
SHA1 Sum
4b0c7c7e1fe61e3d425f3023307c1806087fdf9d
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.