In case you didn't know, you can turn you LG G2 Android powered smartphone into a Wi-Fi hotspot and use it to surf the web with any other wireless device like notebook, tablet or a smartphone.
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.
Let me show you how to achieve that Depth Of Field effect known from the photography using Gimp. With other words, how to make selected area of the photo sharp and the rest out of focus.