If you spend any amount of time online this week, you’ll almost certainly see dozens of articles telling you what products to buy during this year’s Amazon Prime Day sale. With millions of items on sale during Amazon’s big shopping event, you need some guidance to find the best deals worth buying.However, equally important is advice about what not to buy. This is especially true for Android phones. There are some truly great smartphone deals available for Prime Day, but there are others you shouldn’t touch with a Galaxy S26 Ultra-sized pole.