Samsung's new mid-range phones went on sale in the USA yesterday, April 9. Early Galaxy A37 and Galaxy A57 buyers get a $30 credit, and the trade-in program is now live for those upgrading from older models.It sounds like great news, but there’s a catch. Samsung’s US trade-in offers are more limited this year. And as of now, the company doesn't accept Galaxy A2x and A0x device trade-ins.Galaxy A37 buyers can get $90 or $120 off when upgrading from the Galaxy A35 or A36, respectively. While the maximum trade-in value goes up to $180, that's not an option if you're upgrading from an older A3x phone.You can also get $40 off the Galaxy A37 by trading in the Galaxy A16 5G. Save up to $180 on the Galaxy A37 Buy Now An unusual trade-in offer for Galaxy A57 buyersGalaxy A5x users get a better — but also more unusual — deal. Samsung USA offers $90, $110, or $180 off the Galaxy A57 when trading in the Galaxy A54, A55, or A56, respectively.What’s odd here is the inclusion of the Galaxy A55. Samsung typically doesn’t accept trade-ins for devices that were never released in the USA, and the A55 falls into that category.Even so, the US online store currently lists the A55 as eligible for a $110 discount on the Galaxy A57.Other notable Galaxy A57 trade-in values include:$120 off: Galaxy A36$90 off: Galaxy A35$40 off: Galaxy A16 5G Save up to $180 on the Galaxy A57 Buy Now Overall, a few key things have changed this year. The list of eligible devices is shorter, with the A2x and A0x series excluded entirely.At the same time, the maximum trade-in value has increased from $150 last year to $180 now. Then again, the Galaxy A37 and A57 are also more expensive than their predecessors.The bottom line is that, despite fewer options and a few variables that have changed, you can still shave a decent amount off the new Galaxy A models with a trade-in. Check Samsung’s online store in the USA for more details.