: This jailbreak is semi-untethered. If your battery dies or you restart your phone, the jailbreak will be disabled. You must open the jailbreak app again and tap "Enable" to get your tweaks back.
No. None exist. Any website claiming otherwise is malicious. The best you can do is the Chimera method described above, which requires a one-time PC sideload. jailbreak ios 1257 no pc best
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). : This jailbreak is semi-untethered