The iPhone 17 was introduced in 2025, shipped in 256 GB and 512 GB configurations, was offered in Black, White, Mist Blue, Sage and Lavender.
Device facts (year, capacities, colours) from Apple Support. Capacities and colours can vary by model and region.
iOS 27.0.1
- Identifier
- iPhone18,3
- Model Number
- A3258, A3519, A3520, A3521
- BuildID
- 24A446
- Release Date
- September 28, 2026
- Filesize
- 11.88 GB
- Filename
- iPhone18,3_27.0.1_24A446_Restore.ipsw
- SHA256
- de6125885921f609bb2e80f85576e03fa5a400ba55d02b8ddaec88a53270316a
- SHA1
- e242069d879814346453e4a589783f8add3e932e
- MD5
- 3105fa54cbaca2e5b51ba84dbbaa2ffd
- Download URL
-
This page covers everything Apple has published for the iPhone 17 (device identifier iPhone18,3).
Apple sells that device under several model numbers — A3258, A3519, A3520 and A3521 — 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: A3258 or A3519 or A3520 or A3521
- Or verify that Model Name is: iPhone 17
Make sure you select the correct model to avoid installation errors
Apple's firmware list for the iPhone 17 starts with iOS 26.0 (Sep 16, 2025) and currently ends with iOS 27.0.1 (Sep 29, 2026).
That is 18 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 (16 releases) and iOS 27 (2 releases) .
Other models in the iPhone 17 family, each with its own firmware page.
