I can't find anything from my searches here. Is there a way to reverses to 4.4.4 that I had before I updated to 5 recently. I don't want to reset to factory default rite now. (for various reasons) I'm having all kinds of different issues after the update. The phone overheats a lot. I first noticed that the background to all apps changed to white so I call tech support and ask how I can change it back to black. He gets Samsung on the line and they tell me they made it permanent white because it saves battery. Those a*sholes must have some contract with battery companies or something because any modern person that has electronics knows that a black background uses the least amount of power and bright white LED screen needs the most electrical current. Any help you guys can give. Thank you.