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FIRMWARE DETAILS

iOS 26.3.1

Build: 23D8133Mar 4, 2026Restore IPSW
Stable

View details

Filename
iPhone13,2,iPhone13,3_26.3.1_23D8133_Restore.ipsw
File size
10.13 GB
File type
Restore IPSW
Download host
updates.cdn-apple.com
Link availability
Not verified

Source reports active

Last link check
Not checked
SHA-256
62b903c0ed5a1a8ada365702b4dc45dfad07c3761c534cc331945a549074a925
SHA-1
7bca8cb1b44a3af11d8881869c8a49c7b0257315
Required starting builds
Not reported
Board restrictions
Not reported

Compatible hardware (2)

iPhone 12 iPhone13,2IPSW.me v4 third-party restore observation (retrieval time) · Oct 19, 2026, 10:59 PM UTC
Unknown
iPhone 12 Pro iPhone13,3IPSW.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/iPhone13%2C2?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: e6eb4b3271c667774c141658df2f2c66

AppleDBhttps://api.appledb.dev/ios/iOS%3B23D8133.json ↗

MIT — copyright 2022 emiyl
Last imported: Oct 19, 2026, 6:25 PM UTC
Record fingerprint: d48da896f63809bf3a31e9d1728e206a

IPSW.mehttps://api.ipsw.me/v4/device/iPhone13%2C3?type=ipsw ↗

Public API; no blanket open-data license established
Last imported: Oct 19, 2026, 6:20 PM UTC
Record fingerprint: e03ffa42fc5106317052be5395d3cdf9