iPhone 12 · iPhone13,2

iPhone 12 · iOS 17.5.1

21F90Unsigned

Catalog data · Last updated: Oct 23, 2026, 5:05 AM UTC

Restore IPSW for iPhone 12: iOS 17.5.1, build 21F90.

Firmware information

Version: iOS 17.5.1
Build: 21F90
IPSW: Restore IPSW
Size: 7.46 GB
Release date: May 20, 2024, 6:01 PM UTC
File name: iPhone13,2,iPhone13,3_17.5.1_21F90_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.comiPhone13,2,iPhone13,3_17.5.1_21F90_Restore.ipsw

Back up before you restore. A restore can erase the data on the device. The identifier has to match, and a file you can download may still be rejected for restore.

Checksum

SHA-256c7cc6e2f04b98320810a1b680481778402d63829691bac20915cb952cc300a1d

SHA-156e3502b2bd0cc9daa46c39788f6b38201d14cca

MD5c5ab7379bc1c9d65986ea0136fa4bebe