game randomly freezes when moving around in survival mode

When in survival mode, the game randomly freezes and I can't do anything. I have to close out of the app and reopen to play again. I have tried restarting my phone, turning off the fancy graphics, reducing the viewing distance and anything else to try to get it to stop. I have a 64 gb phone with roughly 35 gigs free. I searched for my bug, but after scrolling through many bugs, I couldn't anything