Selling or trading in your old smartphone? Make sure you do these things first

Given that expensive mobiles, like the ones on our list of the best smartphones, can set you back by quite a bit, it makes sense if you’d also want to sell or trade-in your old handset in order to save some cash. That’s a perfectly valid way of getting your new device – lots of brands offer trade-in discounts, and there are many other ways of turning your old device into cash if you want to. Early Amazon Prime Day deals: see all the latest offers right here.

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