To download firmware for iPhones (IPSW files), you can use official Apple tools or reputable third-party repositories that link directly to Apple's servers.
Go to Settings > [Your Name] > Find My and turn off Find My iPhone .
The most popular and user-friendly third-party site for finding official firmware. It clearly identifies which versions are currently "signed" (can be installed) and which are "unsigned" (cannot be used for standard restores). skachat proshivki dlia aifonov
Where can I manually download ipsw files … - Apple Community
Use a USB cable to connect your iPhone to a Mac (using Finder ) or a Windows PC (using iTunes or the Apple Devices app ). Initiate Manual Update: To download firmware for iPhones (IPSW files), you
Once you have the file, you must use a computer to install it. Ensure you have first, as a full restore will erase the device.
While Apple doesn't provide a public "catalog" page of IPSW files, they can be downloaded directly from their CDN servers. It clearly identifies which versions are currently "signed"
If you have a developer account, you can download both stable and beta firmware directly from Apple Developer.