The Yalu jailbreak was released a while ago, and developers have made a lot of custom versions of this jailbreak, which contain UI and functionality improvements.
You’re always suggested to upgrade/downgrade iDevice via 3uTools Easy Flash, because we think 3uTools Easy Flash provides you the easiest and quickest way to upgrade or downgrade your iDevice.
3uTools supports three flash methods, they are 3uTools Easy Flash, Pro Flash and Multiple Flash. This tutorial will show you the similarities and differences among them.
Your iPhone knows where you are, pretty much all the time, and you probably know that it can share your location with other people, too, if you let it.