The Pangu jailbreak for iOS 9.2 – iOS 9.3.3 is semi-tethered and requires you to jailbreak every time your device reboots. If you’ve already jailbroken your iPhone or iPad but would like to return to stock iOS due to issues you’re facing then the best solution is to restore your device to iOS 9.3.3 to delete the Pangu jailbreak.
App development is the process of coming up with new applications for both web and mobile. It involves elements such as idea generation, app design and mapping. iOS app development is quite competitive as there are many competing applications.