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FIRMWARE DETAILS

iOS 15.3.1

Build: 19D52Feb 10, 2022Restore IPSW
Stable

View details

Filename
iPhone11,8,iPhone12,1_15.3.1_19D52_Restore.ipsw
File size
6.98 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
cd351c6bfe9fa2b982d832c6aefebc2efc43db4c3bb9743c53a004b3c0b494e7
SHA-1
2eb9be02c82b5f60d37c83e78e85255b07de279e
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (2)

iPhone 11 iPhone12,1IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown
iPhone XR iPhone11,8IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown

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/iPhone12%2C1?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: 089819899b23573c4c1983254a6f72c0

IPSW.mehttps://api.ipsw.me/v4/device/iPhone11%2C8?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 10:59 PM UTC
Record fingerprint: 2cbd0fc9fa2cf53c021753a7ffb39eb4