I recently bought a new Galaxy S phone because mine was stolen 2 days ago. I got this phone from a person I know. It says I currently have Gingerbread for software and I want a newer version like I used to have on my old phone. I've looked up tutorials and downloaded Jelly Bean to my phone files from a USB to my computer but now I don't know what to do because on a youtube tutorial it told me to hold the up button, press the home key and turn off my phone to get to the recovery menu after I turn it off but it's not working! Someone please help me in the right direction!!