When I started playing, after a while I noticed that every once in a while my phone would restart. It was pretty rare. A little while ago, it started happening once a day. But for the past few days, it's been happening four or five times a day; twice in a row this morning. And every time it crashes, it's a pain, since often it's while I'm charging up in the middle of an epic battle, and each time it restarts I have to take out the battery and restart it manually (when it crashes and restarts on its own, Injustice usually doesn't work). It's getting to be a bit too much. Any advice from people who've had this problem and fixed it?

I'm on a Samsung Galaxy S3.