Hello, thank you for your feedback. I understand your concerns on your phone freezing and crashing, and I will be more than happy to assist you with this situation. Performing simple actions like rebooting and updating the software are just a couple of the things you can do to prevent freezes and crashes in the future. Here are some troubleshooting steps to assist you with getting your phone back working correctly http://www.samsung.com/us/support/troubleshooting/TSG01001416. If you are still encountering any issues, please visit a Samsung walk-in service center or you can schedule a repair service online.