Samsung Galaxy M series phones are known for offering decent hardware at an affordable price. The recently launched Galaxy M31 is a successor to the Galaxy M30s and features a quad rear camera setup. But is it a worthy upgrade? Is it the best Galaxy M series phone under Rs. 15,000 right now? Should you buy? Too many questions, but we've got all the answers in the above video. But in case you still prefer reading, we've got an in-depth review of the Galaxy M31 for you here: