On the "Hello" screen, choose (or iCloud). Point Finder/iTunes to the archive backup you made before starting.
Here's how to download iOS beta IPSW:
your iPhone to your Mac (Finder) or Windows PC (iTunes/Apple Devices app). download ios beta ipsw
The most secure way to obtain a beta IPSW is directly through the . On the "Hello" screen, choose (or iCloud)
Once you have the IPSW file, you must use a computer to flash it to your iPhone. Installing and using Apple beta software - Support On the "Hello" screen
Sites like or BetaProfiles.dev are popular community resources. Pros: Fast downloads and easy-to-navigate interfaces.