A famed Chinese jailbreak team called Pangu jailbreaks have indicated the bug security features of iOS 8.4.1 few hours back. So this is a good news for jailbreak iOS 8.4.1 to jailbreak teams because those security holes will help them to make a path to jailbreak iOS 8.4.1 to download Cydia . Apple users are also waiting until come an untethered jailbreak tool to customize their devices . 
Important:
- if you need Cydia install and if you have already download Cydia on your device , wait to download iOS 8.4.1 on your device until come jailbreak tool.
- Apple have closed the sign up iOS 8.4, so now you cannot downgraded your iOS 8.4.1 updated device too.
Pangu jailbreak – system requirements
- Back up your device is good idea before jailbreak because if something goes wrong it will help you, you can use iTunes or iTools to back-up your device
- Disable passcode of the device temporary
- Remove anti-virus software if available on device because may be that will detect Pangu jailbreak as a virus
Pangu jailbreak tool – step guide -iOS 8.0-8.1
- Download Pangu jailbreak tool for iOS 8.1 on your Windows PC
- Then run Pangu jailbreak as the admin of the device and wait until detect your PC
- Now connect your Apple device with PC using USB cable
- Then unchecked the box of PP
- Click the blue color button to start jailbreak process
- Pangu jailbreak will get few times to complete the jailbreak and the device will reboot
- Now toy can download Cydia on your device
iOS 9 download on 16th September
As Apple reports will release iOS 9 major version on this upcoming 16th. So you can download iOS 9 for your device to get an amazing experience. Until release it you can enjoy with iOS 8.4.1 after jailbreak it by Pangu.