It looks like you're visiting on an iOS device. You cannot install IPSW files onto an iOS device without a computer. If you would rather continue on a computer, just visit this website on a computer. If you would rather install without a computer, close this modal and download the iOS beta profile.
Select your device from the dropdown to download it's firmware:
That's what Apple did starting with iOS 10.0, they grouped them by feature set. Easier for me, I guess.
What if I download the wrong file?
iTunes will stop the process if it detects that you have the wrong file for your device. The only thing it will cost you is another download, so please read carefully.
Where did you get these file URLs?
From the Apple Developer Center.
How do I know these are real?
You aren't downloading the file from me. You are downloading it directly from Apple, as proved by the URL it downloads from. Also, if they weren't, iTunes would refuse to install them, as you cannot install modified IPSW files.
Where is iOS 13 or iPadOS beta profiles?
Apparently, Apple is not releasing an iOS 13 (also iPadOS) developer beta profile. Maybe, there will only one beta profile and that’ll the iOS 13 Public Beta profile releasing in July.
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