A:AnswerNo, the screen is glass and reflects a bit however, it does get nice and bright to help counteract fluorescent lighting. The glass also helps make the resolution beautifully crisp. I've noticed my older matte screens muddy the clarity.
A:AnswerIt stays pretty cool, but in a hot environment you may need a USB laptop cooler. The cooler sits underneath the laptop and has a couple fans and works really well.
A:AnswerNo, this Lenovo Yoga 7i 16, model number 82QG0001US, ships with 8GB Soldered LPDDR5-4800 Memory soldered to systemboard, no slots, dual-channel, not upgradable.