, a genetic condition where a person receives two copies of a chromosome from one parent instead of one from each. MedlinePlus (.gov) : Common variants include heterodisomy (two different chromosomes from one parent) and (two identical copies). U-Cast Connection : "U-cast" or Urinary Casts

Yes. All firmware updates for UCAST devices are free. Beware of scams asking for payment to unlock the update.

Sometimes a full reset is required before a major version change.