iOS 15.3.1 (19D52)
iPhone 6s
Other Signed iOS Versions
iOS 15.3.1 Release Notes
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
iPhone_4.7_15.3.1_19D52_Restore.ipsw
SHA1
908884e9b7014a7161534c895fc649e9cd44508a
SHA256
be85c83b2504d5103e4f6a6be2e3e039bfb12b27707919b27e6e9b906a93c062
MD5
b345fadb1ae50d25bf34b0acb1cc1438
⇓ Download IPSW (5.07 GB)