For extreme battery conservation, use the Ultra Power Saving Mode ... you can significantly improve the battery life of your Samsung Galaxy S21, ensuring you get the most out of your device ...

As Samsung ramps up the AI hype ahead of the Galaxy S25 Ultra launch, it seems to ignore the one key feature users actually ...

PERFORMANCE: Overall the Samsung Galaxy S21 5G was very good. Its quickness, battery life, and camera quality will satisfy all but the most discerning users. Ease of use on the Galaxy S21 5G was ...

I wasn't overly smitten by Samsung's Galaxy S21 FE — it's based on last year's premium Galaxy S21 specs, and it's not quite as good as the original Galaxy S21. Battery life was especially poor.

The S21 Ultra has a 5000 mAh battery and is the first Galaxy S to support Samsung's S Pen ... a more efficient processor for better battery life. Fingerprint sensor is easier to reach.