iOS 9.9.15.3.1 (19D52) for iPhone 12 Pro

✗ 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 DateFebruary 10, 2022
Upload DateFebruary 7, 2022
Filenameb8037ed88bb1dda05477ad7b5bd9daf6c537b151.zip
Filesize5.0 GiB
IdentifieriPhone13,3

iOS 9.9.15.3.1 Release Notes

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

iOS 15.3.1 provides important security updates for your iPhone and fixes an issue that may cause Braille displays to stop responding.

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

https://support.apple.com/kb/HT201222

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