The iPhone 17 Pro was introduced in 2025, shipped in 256 GB, 512 GB and 1 TB configurations, was offered in Silver, Cosmic Orange and Deep Blue.
Device facts (year, capacities, colours) from Apple Support. Capacities and colours can vary by model and region.
iOS 27.0.1
- Identifier
- iPhone18,1
- Model Number
- A3256, A3522, A3523, A3524
- BuildID
- 24A446
- Release Date
- September 28, 2026
- Filesize
- 11.85 GB
- Filename
- iPhone18,1_27.0.1_24A446_Restore.ipsw
- SHA256
- 7ee7aaa896ef257e26aa54edb2a4ac7f6f6e8e5c20279b124bee38b809c2a6a5
- SHA1
- d14fb2344a6831e36c410ba59ecd977f78f22235
- MD5
- 2e1d1f8f749856f9938530fb238a7425
- Download URL
-
This page covers everything Apple has published for the iPhone 17 Pro (device identifier iPhone18,1).
Apple sells that device under several model numbers — A3256, A3522, A3523 and A3524 — which cover its regional and connectivity variants, and the firmware on this page works on all of them.
Before downloading, verify this is the correct device model:
- Go to Settings → General → About on your device
- Check that Model Number matches: A3256 or A3522 or A3523 or A3524
- Or verify that Model Name is: iPhone 17 Pro
Make sure you select the correct model to avoid installation errors
Apple's firmware list for the iPhone 17 Pro starts with iOS 26.0 (Sep 19, 2025) and currently ends with iOS 27.0.1 (Sep 29, 2026).
That is 19 releases in total, spanning 1 years between the first and the most recent build.
iOS 27.0.1 is still being signed by Apple, so it can be restored, reinstalled, or updated to with Finder, iTunes, or the Apple Devices app right away.
Every build Apple has published for this device is listed below with its original Apple download link, build ID, release date, and checksums, so an older release can still be verified or archived after Apple stops signing it.
Across that history the device has received 2 major iOS versions: iOS 26 (17 releases) and iOS 27 (2 releases) .
Other models in the iPhone 17 family, each with its own firmware page.