a moment) allows you to install from either your internal memory or your SD card, so take your pick. I've gone for the external SD card. Drag and drop your Google Apps zip file across to the same place. Once again, there's no need to unzip it yourself -- leave that all in the capable hands of your phone. At this point you should backup everything you want to keep from your phone. In my experience, most items remain on your phone when switching ROMs, but why take the risk when you've got the window right open in front of you -- you might as well backup. You may need those photos to humiliate someone on Facebook one day, right? 4. Restart your S3 in Recovery Mode Take a deep breath because here comes the fun (ne hair-raising) bit. When you rooted your phone in step 1, you were given a couple of new apps. One of them, ClockworkMod is what you'll need to use for adding custom ROMs -- it will be your best friend in the world should you ever need to recover the phone from a firmware accident (but that's for another article). To boot up in recovery mode, switch off your phone and then restart it by holding down power, volume up and menu. After a few moments you'll see the clockwork mod menu. There's no touchscreen interface here, so you'll be navigating the menus with volume up and volume down, using the menu button to