Home / iPhone / iPhone 17 / iOS 26.3 RC (23D125)
Device

iOS 26.3 RC

Build 23D125
Currently Signed
iPhone 17 iPhone18,3
Released
February 4, 2026
File Size
11.03 GB
Filename
iPhone18,3_26.3_23D125_Restore.ipsw
Download IPSW

Important Notice About Signing Status

Signing status was last updated 1 day ago. Apple can stop signing at any time without notice.

Verify current status at IPSW.dev

Beta Firmware Notice

For official public releases, visit IPSWDL.com

Firmware Details

Device iPhone 17 (iPhone18,3)
OS TypeiOS
Version26.3 RC
Build ID23D125
Release DateFebruary 4, 2026
Signing Status Signed
Status last checked March 11, 2026. Verify at IPSW.dev
Filename iPhone18,3_26.3_23D125_Restore.ipsw
File Size11.03 GB
Download URL https://updates.cdn-apple.com/2026WinterFCS/fullrestores/047-57674/C03F5C6E-0E60-41DE-AEF2-0B960F3DF13A/iPhone18,3_26.3_23D125_Restore.ipsw

Installation Instructions

How to install this firmware

  1. Download the IPSW file.
  2. Connect your device to your computer.
  3. Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina and later).
  4. Hold Option (⌥) on Mac or Shift on Windows and click Check for Update or Restore.
  5. Select the downloaded IPSW file and follow on-screen instructions.

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