Maytag MSD2756G Side by Side Refrigerator "ss2" Questions

We have a Maytag Side by Side Refrigerator SS2, Model MSD2757AE which continually has ice build up in the freezer which in turn doesn't allow the refrigerator to cool properly. We have been defrosting

Freezer not properly defrosting We have a Maytag Side by Side Refrigerator SS2, Model MSD2757AE which doesn't defrost properly and ice builds up in the back of freezer which in turn doesn't keep the ...