
✗ This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore.
Your download should begin shortly. If it does not, you can download it directly here:
Download (5.5 GiB)This firmware is not signed. This means you cannot restore to it in Finder, the Apple Devices app, iTunes, or idevicerestore. The instructions below are included for reference only.
iPhone10,3,iPhone10,6_15.3.1_19D52_Restore.ipsw file that you downloaded.iPhone10,3,iPhone10,6_15.3.1_19D52_Restore.ipsw file that you downloaded.cd ~/Downloadsidevicerestore -e iPhone10,3,iPhone10,6_15.3.1_19D52_Restore.ipsw and press enter.cd DownloadsGet-FileHash iPhone10,3,iPhone10,6_15.3.1_19D52_Restore.ipsw -Algorithm SHA1962ce27dd6c16824d9681172b5f2f7659ad5a16d. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone10,3,iPhone10,6_15.3.1_19D52_Restore.ipsw962ce27dd6c16824d9681172b5f2f7659ad5a16d. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone10,3,iPhone10,6_15.3.1_19D52_Restore.ipsw962ce27dd6c16824d9681172b5f2f7659ad5a16d. If it doesn't, you may need to redownload the file.| SHA256sum | a9a309771ccead1b24dfbccc25b6c585dbba455cbf7c8bf5440e77d8d0cd13df |
|---|---|
| MD5sum | a9a309771ccead1b24dfbccc25b6c585dbba455cbf7c8bf5440e77d8d0cd13df |
| SHA1sum | 962ce27dd6c16824d9681172b5f2f7659ad5a16d |
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: