Screen freezing

My 700 screen froze yesterday on a hike. First time in about 13 of them. Not happy. I had to restart to fix. Then it did it again. Restart etc.

I asked amazon for an exchange cause I figured it was hardware since I didn't change anything and it was excellant since new. They refused and wanted to connect me to Garmin.

Odd cause I have the settings same as always and did nothing unusual.