iOS 12.3.1 (16F203)
Download iOS 12.3.1
This firmware is provided as a direct link to Apple's official servers. No mirroring or modification is performed.
Firmware Information
Version
iOS 12.3.1
Build ID
16F203
Release Date
May 24, 2019
File Size
3.06 GB
File Name
MD5 Sum
e2a86655a22b18951dde360cde64a260
SHA1 Sum
5ba0645466683676f49cc198624ff2c7b77a96bf
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.