If your device crashes, resets itself or freezes, it may be caused by apps and this info may help.
Clearing Random Access Memory (RAM) ends running apps and stops background apps. Save app data before clearing RAM by backing it up.
Random Access Memory (RAM) levels above 90% may cause the device to perform poorly when running certain apps. Review the amount of RAM being used on the device and clear memory if the RAM levels are above 2.7GB.
Clearing RAM may resolve issues with the device or display freezing. The device may be running low on memory.
Tap the Recent apps icon (located in the lower-left).