iBridge2,21 · iBridge2,21

iBridge2,21 · bridgeOS 8.4

21P4222Signed

Catalog data · Last updated: Oct 21, 2026, 7:11 PM UTC

Restore IPSW for iBridge2,21: bridgeOS 8.4, build 21P4222.

Firmware information

Version: bridgeOS 8.4
Build: 21P4222
IPSW: Restore IPSW
Size: 0.66 GB
Release date: Mar 7, 2024, 6:19 PM UTC
File name: iBridge2,1,iBridge2,10,iBridge2,12,iBridge2,14,iBridge2,15,iBridge2,16,iBridge2,19,iBridge2,20,iBridge2,21,iBridge2,22,iBridge2,3,iBridge2,4,iBridge2,5,iBridge2,6,iBridge2,7,iBridge2,8_8.4_21P4222_Restore.ipsw
Download host: updates.cdn-apple.com

IPSW download

Check the model and signing status before downloading.

Download IPSW

Download hostupdates.cdn-apple.com

iBridge2,1,iBridge2,10,iBridge2,12,iBridge2,14,iBridge2,15,iBridge2,16,iBridge2,19,iBridge2,20,iBridge2,21,iBridge2,22,iBridge2,3,iBridge2,4,iBridge2,5,iBridge2,6,iBridge2,7,iBridge2,8_8.4_21P4222_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. bridgeOS belongs to the matching Mac hardware and is not a macOS installer.

Checksum

SHA-25690ed503e2aa54139a6b4984522a61964f94a217eb8a2b79bcee070d89bab8965

SHA-18ffc1f903c2de052ef753c4e96de5867def77a27

MD5f52fea7e807ed6a2903d3c2441980ffc