
✗ 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 (2.8 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.
iPhone_4.0_64bit_12.5_16H20_Restore.ipsw file that you downloaded.iPhone_4.0_64bit_12.5_16H20_Restore.ipsw file that you downloaded.cd ~/Downloadsidevicerestore -e iPhone_4.0_64bit_12.5_16H20_Restore.ipsw and press enter.cd DownloadsGet-FileHash iPhone_4.0_64bit_12.5_16H20_Restore.ipsw -Algorithm SHA12138cde9e348f08cca562500eed153ce1f5bfeb3. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone_4.0_64bit_12.5_16H20_Restore.ipsw2138cde9e348f08cca562500eed153ce1f5bfeb3. If it doesn't, you may need to redownload the file.cd ~/Downloadsopenssl sha1 iPhone_4.0_64bit_12.5_16H20_Restore.ipsw2138cde9e348f08cca562500eed153ce1f5bfeb3. If it doesn't, you may need to redownload the file.| SHA256sum | d210c71c434a24ff7dc7816082c9bbb434908e783d8379737e53823c03044d66 |
|---|---|
| MD5sum | d210c71c434a24ff7dc7816082c9bbb434908e783d8379737e53823c03044d66 |
| SHA1sum | 2138cde9e348f08cca562500eed153ce1f5bfeb3 |
iOS 12.5 lets you opt-in to the COVID-19 Exposure Notifications system for your iPhone. System availability depends on support from your local public health authority. For more information see covid19.apple.com/contacttracing.
This update provides important 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/kb/HT201222