A:AnsweriPad A16 says it all, I believe. It’s the chip/CPU, which is said to be a 30% cut above the iPad AIR 4’s A14 in 2020. iPad A16 starts with 128MB, a welcome increase over the AIR 4’s 64MB.
A:AnswerYes, it’s an optional part of the order placement process. You may find your trade-in is too old, In that case, just cancel and continue with your older.