Ensure your device is actually running iOS 12.5.7. Go to and check the Version.
: Once the app appears on your phone, trust the profile in Settings (as shown in Option 1) and run the jailbreak inside the app. Option 3: Checkra1n (Advanced / Mac & Linux) jailbreak ios 1257 download top
Requires a Mac or Linux PC (Windows users need a bootable USB). Download: checkra.in 3. Unc0ver Ensure your device is actually running iOS 12