While jailbreaking iOS 12.5.7 without a computer is technically possible via tools like Chimera, it is a volatile process subject to Apple’s certificate policing. Users must remain vigilant, sticking strictly to community-vetted sources and avoiding any site that demands "verification" through third-party downloads. For those seeking the most stable experience, a PC-based method (like ) remains the gold standard for security and reliability on this specific firmware. If you’d like, I can help you: Identify the official websites for verified tools. Explain how to deal with app revokes .

What Is Jailbreaking an iPhone? Risks, Benefits & Tips | McAfee

Find the enterprise profile under "Enterprise App," tap it, and select 4. Run the Jailbreak Airplane Mode and disable temporarily to increase success rates.

Additionally, while being safe and reliable. Most "no computer" jailbreak claims for modern iOS are either:

I can instead help with any of the following:

iPhone 5s, 6, 6 Plus; iPad Air 1, Mini 2, Mini 3; and iPod Touch 6th Gen.