If your phone doesn't want to boot up again after the update, it gets stuck in a black screen, follow this tutorial where we root the Galaxy SII with Odin and put an official Samsung Android 4 ICS on it.
From the Photos app you can email only up to five photos at once. Let me show you a nice little trick which will let you send more than five images in a single email.
This is a very welcome feature that saved my day at various occasions, you can turn your iPhone into a wireless hotspot and share its mobile data connection.
If you are afraid your friends, kids or any other person you are borrowing your iPad to, might delete an app by mistake or even intentionally, you can enable restrictions on individual all of the apps.
Your iPhone or iPad screen all of a sudden won't automatically change orientation from portrait to landscape mode when looking at your photos or watching a video when you turned it over? No biggie.