Resetting the temperature in a Samsung refrigerator takes only a moment to complete. However you should not expect the temperature to change as quickly as it takes you to simply program the change. Depending on how far you drop or increase the temperature in your refrigerator, it could take hours for the refrigerator to reach the point at which you want it to be. If you want to reset the temperature to room level, simply unplug the device and wait for it to warm up.
Press the "Fridge" button on the refrigerator's front panel.
Press the "Fridge" button until there are more lights visible on the panel next to "Fridge" to set cooler temperatures.
Press the "Fridge" button until there are fewer lights visible on the panel next to "Fridge" to set warmer temperatures.