iPhone 5s through iPhone X, alongside corresponding iPad and iPod Touch models running compatible iOS versions. Required Tools for Installation
The checkra1n jailbreak needs to be executed from a special state. This file provides a simple way to create a bootable USB drive that, when booted, automatically loads the necessary tools. Important Context: The Checkm8 Exploit
iPad (5th, 6th, and 7th generation), iPad Air (1st and 2nd generation), iPad mini (2, 3, and 4), and early iPad Pro models iPod: iPod touch (6th and 7th generation) Step-by-Step Installation Overview ra1nusb-intelnewrw4g.dmg
The file ra1nusb-intelnewrw4g.dmg is not a recognized or verified tool within the iOS jailbreak or macOS utility community. Its opaque naming, lack of official distribution, and potential for low-level hardware access make it a serious security hazard. Do not download, mount, or run this file. Instead, rely only on established, open-source solutions with verifiable releases.
The underlying jailbreak tool, checkra1n, relies entirely on a hardware-level vulnerability called . Because this exploit exists in the Boot ROM (read-only memory) of Apple's A7 through A11 bionic chips, Apple cannot patch it via software updates. iPhone 5s through iPhone X, alongside corresponding iPad
Windows cannot natively write a .dmg file to a USB drive in a bootable format. You will need a specialized utility to complete this step.
This designation usually points to a tailored version of the software intended for a particular range of Intel processors or specific Mac models (often older MacBook Pro, iMac, or Mac Mini models) that are compatible with the checkra1n jailbreak. Important Context: The Checkm8 Exploit iPad (5th, 6th,
Environments like ra1nusb leverage an Intel host computer to send payload instructions via USB DFU (Device Firmware Update) mode directly to these vulnerable mobile chips. Prerequisites and Requirements
Once the macOS interface loads, open the Checkra1n application.
: In the Checkra1n options menu, check the box for "Safe Mode" and try again. Once booted, you can remove conflicting tweaks and re-jailbreak normally. Missing USB Boot Option in BIOS Cause : Incorrect motherboard firmware settings.
The Apple jailbreaking landscape shifted dramatically with the discovery of the , a permanent, unpatchable hardware vulnerability found in Apple's bootrom (ranging from the A7 to the A11 bionic chips). The official tool built to utilize this exploit is Checkra1n.