Random Access Memory (RAM) levels above 90% may cause the device to perform poorly when running certain applications. Review the amount of RAM being used on the device, and Clear memory if the RAM levels are above 1.8GB.
Clearing Random Access Memory (RAM) will end running applications and stop background applications. Verify that application data is saved before clearing memory.
Clearing Random Access Memory (RAM) may resolve issues with the device / display freezing. The device may be running low on memory (RAM).