Product review (1 stars): This refrigerator has the same problem as the defrosting issue ...
This refrigerator has the same problem as the defrosting issue mentioned in the 2012 class action lawsuit (never resolved).  The defrosting cycle stops working, ice builds up in the evaporator coil (located in the back of the fresh foods compartment).  Then the fridge stops cooling properly.  I've only owned it for 3 years, and from all the youtube videos and online DIY repair blogs, this is a well known issue with almost all of the samsung fridges.  I recently called an appliance repairman to fix this once and for all.  He thinks a new main control board should be installed, but samsung gave him a 4-week delivery estimate.  4 weeks!  Who can live with a dead fridge for 4 weeks?!?!  Customer service is a joke.  I won't be buying any more samsung fridges.