The Samsung Galaxy A50 was Samsung's most popular phone in 2019 and sold in droves. That makes the task of replacing it as big as that of replacing any of Samsung's most expensive flagship phones. A quick glance at the Samsung Galaxy A51 tells us Samsung played it safe, but is that a bad thing? No, it's not. Mid-rangers should be competent at what it does and bring good bang for yourbuck. Both are true of the Samsung Galaxy A51. It has moved the notched selfie camera into the display, which itself is a bit larger now and on the back there's a better camera array and an attractive...