The feedback from real users in PSA owner forums is your best indicator of what to expect:

Samsung RF28R7351SR (and its color variant RF28R7351SG ) is a 28 cu. ft. 4-door French Door smart refrigerator known for its high-end features like the Food Showcase door AutoFill water pitcher

Updating your system is a straightforward process, but it requires patience to avoid "bricking" the unit.