A:AnswerThere isn't a specific app needed to transfer files from this phone to a computer, as the phone has that functionality built in. You can do that by simply plugging in a USB cable into the PC, and connecting the phone to it. Please reference this guide for additional help:
https://support.google.com/android/answer/9064445?hl=en
A:AnswerHello lisa, here is a link (http://www.samsung.com/us/support/troubleshooting/TSG01001493/) to an article that will help you adjust your brightness. If you are still having issues, just give us a call at 1-800-SAMSUNG. We are here to help! ^Elizabeth
A:AnswerYes you can keep your old phone if, it is comparable with the AT&T operating system. You may need to purchase a Consumer Cellular Sims card to make it work.