Ram shouldn’t be tied to t2 chip. It should upgradable if you can manage to take off and solder bigger BGA ram chips, and change some resistor configuration to make it recognize the bigger ram. There are ram 16 chips from the looks of it. Right now there isn’t a definitive guide on it… nor do we know the compatible ram chips and where to buy them…Maybe buy ram sticks with similar micron chips on them and use the chips on there? IDK. Hopefully more info will surface in time.