This was expected, and although it is the Jailbreak of iOS 8.4 through PPGhost tool. For now, the tool is only compatible with Windows. But it is very simple and takes less than 5 minutes, and no need to speak Chinese.
Following our test, we are able to confirm that many Cydia tweaks are compatible with the Jailbreak iOS 8.4 and the latest version of Cydia Substrate.
Note: Make sure iTunes recognizes your device. Disable iCloud location and unlock code. Needless to put it in airplane mode – unless you want to avoid called you during the process of Jailbreak.
Step 1: Download PPGhost for iOS 8.4
Step 2: Launch PPGhost and click on the green icon.
Step 3: Click the blue button while keeping the first checkbox checked PP
Step 4: On the PP tool, click the green button to start the jailbreak. Click the button, and on the second screen, click the second button to confirm you have disabled Find My iPhone, etc. This will start the jailbreak, at that moment you can clear the PP box to avoid installing the Chinese store of cracked applications.
Step 5: Leave it to the jailbreak without touching anything. Your device will park restoration, but let her finish restart the process.
Step 6: Once you see the PP tool with the green check mark, then your device is jailbroken.
Step 7: You can go to Cydia and install your favorite tweaks.
It may be that some tweaks are not yet compatible – so patience. It will also wait a bit for that Taïg update its Tool Jailbreak. We will be sure to inform you as soon as it is available.