Frigidaire refrigerator freezes everything with setting on lowest

Hello there,
try to check your thermostat setting adjust below gradually,
you set it up to coldest point that's why it's doesn't cycle on no auto shutt off and shut on,
if still not change for 12 hours still freezing up,replace thermostat by your technician,might defective.have a nice day
don't forget to rate me,thank's a lot.