FIRMWARE DETAILS

iOS 15.3

Build: 19D50Jan 26, 2022Restore IPSW

Stable

View details

Filename: iPhone13,4_15.3_19D50_Restore.ipsw
File size: 6.64 GB
File type: Restore IPSW
Download host: updates.cdn-apple.com
Link availability: Not verified
Source did not report availability
Last link check: Not checked
SHA-256: bc628b622eec77060b3199bb160b6a15e7dfa0455dbc2cf42f1552305a288a8e
SHA-1: 1643857c6faae9db1ae4bd5d4fd5d935c4f5e06d
Required starting builds: Not reported
Board restrictions: Not reported

Compatible hardware (1)

iPhone 12 Pro Max iPhone13,4IPSW.me public API retrieval · Oct 21, 2026, 3:29 PM UTC

Unsigned

Signing is specific to the device and file. A signed build does not guarantee a downgrade or successful installation.

Source provenance

IPSW.mehttps://api.ipsw.me/v4/device/iPhone13%2C4?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 69fb8d8185474050afcea76e6b83bc00