Trading in older or existing phones to buy new ones is an alien concept to me; you're almost always guaranteed a better price selling them to another person. But it's a convenient practice in some countries with some brands, and it lowers the sticker shock, especially on prohibitively expensive phones like the Galaxy Z Fold and Z Flip series. This time around, Samsung is easing the burden a bit more by letting you trade in two phones instead of one, for a larger price cut.

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