Microsoft X Box support failure

On Dec 2 received our brand new Xbox series S - spent over 5 months with Microsoft engineers trying to get the unit to download & update. Works fine over fibre or cellular but not satellite. Satellite service delivers every other game service 100% no fail except for Xbox series S. Takealot refuse to refund - Microsoft is demanding we pay them for an advanced swap out to test another unit before they decide to refund us when we already proved by way of an 81 mb recording of their failure to resolve the issue with the existing unit. This is a warning - BE very weary - even consumer store sales people warned us not to buy Microsoft product due to service issues & they were correct. As much as we tried to be cooperative consumers we are been punished for trying.