I0n1c has published a video that he jailbreak iOS 8.4 beta 1 version. But he said he did not release it to the public. It means their is a possibility for jailbreak iOS 8.4 version too. iOS 8.4 latest version will support for iPhone 4S, 5, 5S, 5c, 6, 6plus, iPod touch 5 and iPad 2, 3, mini, mini 2, mini 3, air, air 2. However if you have already jailbroken your Apple device I advice keep it until someone release a iOS 8.2 jailbreak or iOS 8.3/ iOS 8.4 jailbreak. Because if you are upgrade your device for new version you will lose cydia. Do not upgrade your jailbroken device until jailbreak version release officially. Please visit this page to get more info about cydia download for iOS 8.4.
What is cydia and cydia installer?
Cydia installer download is an advanced technology which allows you to jailbreak iOS versions that running on Apple iPhone, iPod and iPad. Cydia is the largest 3rd party apptore including thousands of important cydia tweaks (cydia apps). To install cydia jailbreak you have to jailbreak iOS version running on your iDvice. jail break is the only way to get cydia free download for your device. Without jail break your device you cannot download cydia. Once you jailbreak iOS version you can customize your iPhone as your favor as well it allows you to download cydia apps which is not include in Apple appstore. So there are few reliable iOS jailbreak software to jailbreak iOS versions. Such as Taig jailbreak, Pangu jailbreak, Evasion jailbreak and PP jailbreak. Most important thing is there are lots of fake jailbreak tools in the internet. If you install one of those software it may cause to damage your iPhone too. Be aware from fake jailbreak tools and get most reliable jail break tools for your device. Click the following link to download cydia installer (cydia jailbreak), cydia install tutorial
