PERFORMANCE: Overall the Samsung Galaxy S21 Ultra 5G was excellent ... measured in candelas per square meter, and reflectivity. The readability rating was excellent. The maximum brightness ...

The largest and most powerful model in the flagship S21 series, this replacement for the S20 Ultra adds support for the S Pen stylus, dual telephoto cameras (3x + 10x), 12-bit photos, Wi-Fi 6e ...

PERFORMANCE: Overall the Samsung Galaxy S21 5G was very good ... measured in candelas per square meter, and reflectivity. The readability rating was excellent. The maximum brightness level ...