hi, I have a sprint Samsung galaxy S2, and it has been messing up lately like shutting down everytime I try to do something mainly sending messages or browsing some of the apps. I'm trying to format it but before that I need to copy all my pictures that are saved to my phone to a memory card, but whenever I try to do so it gives me a failing error. so if anyone has any ideas on what could be the issue or how to fix it please let me know.