It has a vivid output and very good viewing angles.The smartphone packs in a 6.4-inch AMOLED display that isn’t very common at this price point. The highlight of the Galaxy M21 is the massive 6,000mAh battery that helps it deliver great battery life. One downside is that the charging time is longer which could get annoying.
It is available in 4GB and 6GB RAM variants. It also comes in 64GB and 128GB storage variants. The Galaxy M21 sports a triple camera setup with the highlight being the 48-megapixel primary scanner. The camera clicks good photos during the day . Video performance is below average.