Unc0ver is a popular semi‑untethered jailbreak that supports many iOS versions, including iOS 12.5.7 on devices not affected by the checkm8 exploit. You can install it by using a third‑party online signing service.
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By following this guide, you can successfully jailbreak your iOS 12.5.7 device without a PC and experience the freedom and customization options that come with it. Happy jailbreaking! jailbreak ios 1257 no pc full