iOS 9.9.15.8.4 (19H390) for iPhone 6s+

✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for potential future use. They might also be useful if you're doing research.

Release DateMarch 31, 2025
Upload DateMarch 21, 2025
Filename7ccdae61d7bbe9156159c7dbc7fdcac63c35dccf.zip
Filesize4.0 GiB
IdentifieriPhone8,2

iOS 9.9.15.8.4 Release Notes

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

This update provides important bug fixes and security updates and is recommended for all users.

For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/HT201222

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