If you want to add fifth icon to the dock on your iPhone 6 and iPhone 6 Plus then here is tutorial on how to add fifth icon to the Dock on iPhone 6.
To be able to add fifth icon to your iPhone’s dock you need a tweak called betterFiveDock. Along with iPhone 6 and iPhone 6 Plus, you could also use this tweak on other iOS 8 running iPhones. This tweak is available free on a non-default Cydia repo and you can add it to your jailbroken device by adding http://repo.rpdev.info repo to your Cydia sources.
Recommended Read: How to Delete Tweaks with Prefdelete without using Cydia.
Follow this step by step guide to know how to add fifth icon to the dock in iOS 8 running iPhones.
Note: You need a jailbroken iPhone 6 or iPhone 6 Plus or iOS 8 iPhone to add fifth icon to your Dock with betterFiveiConDock.
How to Add Fifth Icon to the Dock on iOS 8
Step 1: Add following repo to your Cydia Sources:
Step 2: Once you add this repo, you should see the betterFiveIconDock package.
Step 3: Download and Install betterFiveIconDock on your Jailbroken iOS 8 device.
Step 4: Once installed, go to your Homescreen, tap and hold any app that you wish to add to the dock.
Step 5: Now drag and drop that app icon on your iPhone 6 or iPhone 6 Plus’s dock.
Unlike other tweaks, this tweak works well with screen rotation along with proper spacing between app icons on the dock. If you own iPhone 6 Plus, then you would find this tweak to be extremely well with your large screen device.