Airplane mode on a phone is when you disable all the active connections like WiFi, bluetooth and mobile network. Let's see how to enable it so you don't need to turn off your phone on an airplane.
Great website where you enter your iPhone or Android phone's IMEI and find out when your repair and service warranty is due and whether your device is locked on unlocked by the carrier.
If you are using removable disk or USB key then you should look at this lesson. I will show you how you can safely remove your device from computer without the fear of losing data.
If you are the kind of person you want to read what has been changed before updating an app you can disable the auto app update setting. Or enable if you want updates fully automated.