iOS 26.3 beta
Build 23D5089e
Currently Signed
iPhone 15 Plus
iPhone15,5
Released
December 15, 2025
File Size
10.18 GB
Filename
iPhone15,5_26.3_23D5089e_Restore.ipsw
Important Notice About Signing Status
Signing status was last updated less than a minute ago. Apple can stop signing at any time without notice.
Beta Firmware Notice
For official public releases, visit IPSWDL.com
Firmware Details
| Device | iPhone 15 Plus (iPhone15,5) |
|---|---|
| OS Type | iOS |
| Version | 26.3 beta |
| Build ID | 23D5089e |
| Release Date | December 15, 2025 |
| Signing Status |
Signed
Status last checked April 21, 2026.
|
| Filename | iPhone15,5_26.3_23D5089e_Restore.ipsw |
| File Size | 10.18 GB |
| Download URL | https://updates.cdn-apple.com/2026WinterSeed/fullrestores/089-97806/7CDEF045-36C3-4618-B09E-41C9A4152372/iPhone15,5_26.3_23D5089e_Restore.ipsw |
Installation Instructions
How to install this firmware
- Download the IPSW file.
- Connect your device to your computer.
- Open iTunes (Windows / macOS Mojave and earlier) or Finder (macOS Catalina and later).
- Hold Option (⌥) on Mac or Shift on Windows and click Check for Update or Restore.
- Select the downloaded IPSW file and follow on-screen instructions.