Open Safari and navigate to a trusted web-based signing archive such as ipa-apps.me . Search the library for or Chimera . Tap the Get or Install button. Bypass any promotional ads that open in new tabs, and click Install on the system prompt that appears on your home screen. 3. Trust the Enterprise Profile
Scroll down and tap on (sometimes labeled VPN & Device Management ).
Open the Chimera/Freya app, tap the "Jailbreak" button, and wait for the process to complete.
: A classic choice, though some users report it can be finicky on versions as high as 12.5.7. Step-by-Step Guide: How to Jailbreak jailbreak ios 1257 no pc best
Confirm the system prompt by tapping again. The app icon will now download onto your home screen. Step 3: Trust the Enterprise Certificate
: Widely considered the standard semi-untethered jailbreak for iOS 12. It installs instead of Cydia, offering a modern, fast package manager.
: Currently one of the most reliable options for iOS 12.5.7. It installs a semi-untethered environment that provides access to the Cydia package manager. Open Safari and navigate to a trusted web-based
: After rebooting, open the app again and tap Jailbreak (or "Enable Freya/Chimera") if necessary. Cydia or Sileo should then appear on your home screen. Community Insights on iOS 12.5.7
Because Totally‑Not‑Spyware v2 requires you to have run Chimera at least once, here is how to install Chimera on iOS 12.5.7 without a computer:
Open the package manager, go to the or Sources tab, and perform a Complete Upgrade to ensure all system files are up to date. Important Notes Bypass any promotional ads that open in new
: Before opening the app, navigate to Settings > General > Profiles & Device Management . Find the developer profile listed under "Enterprise App" and tap Trust .
If you try to open the app, you will see an "Untrusted Enterprise Developer" error.
Disable , Touch ID , and Find My iPhone temporarily to increase success rates.
To achieve a "no PC" experience after the initial setup, you must use a tool that installs a permanent jailbreak app onto your device. The best jailbreak for iOS 12.5.7 is (created by the Electra Team).