You just bought Nexus 4 and you don't know anything about Android operating system, so I will guide you through literally first steps on this great phone.
Windows Phone 8 enables you to choose the apps you want them to display its status on the lock screen of your phone. For instance a notification that you just got a new Gmail email.
A really useful feature in case you want to receive a warning notification before you use all of the mobile data available according to your mobile provider contract. It's a great way to avoid additional charges.
If you dont't want that every time you take a picture with your Android device, it gets instantly uploaded to your Google+ profile, this tutorial's for you.
Nokia released the Here Maps app for iOS devices. You can use as a turn-by-turn navigation, search for interesting places, buses and plenty more for free. This is how you install it on your iPhone or iPad.
You add a hashtag to your uploaded Instagram pictures but when you click the hashtag your picture doesn't show up there? Yes I know, it's pretty frustrating, but I happen to know how to fix this!
The new Apple iPhone 5S comes with a touch sensitive finger print reading home button that enables you to unlock your phone or authorize buying apps by simply putting your finger on it.