How do you improve one of the most popular Android phones on the market ? If you're Samsung, you add a wealth of extra software features and a bigger and better screen, but keep largely the same design. This is the Samsung Galaxy S4.

Excellent battery life; Impressive screen; Outstanding camera

Too many gimmicks; UI can be overwhelming; Slippery; plastic build

Over recent years Samsung has ruled the Android smartphone market, riding a wave of popularity that has turned its Galaxy lineup into the must-have Android device. Despite the fact that HTC in particular has consistently delivered handsets that are highly competitive with Samsung's, there is no...

The Samsung Galaxy S4 is a superb smartphone that excels in most areas, but it's let down by software glitches, and a main rival that's a little bit better in most areas. Read the review.

The Samsung Galaxy S4 looks almost identical to its predecessor but includes a better display, an improved camera and a huge amount of software...

Excellent battery life; Impressive screen; Outstanding camera

Too many gimmicks; UI can be overwhelming; Slippery; plastic build

The bottom line is: if you are shopping for the best smartphone, then look no further than the Galaxy S4.

Samsung's Galaxy S III is a very sweet Android smartphone , arguably the best of its generation. So you have to wonder what Samsung could do to meaningfully push the envelope in the Galaxy S 4 now available at some carriers (Sprint and AT&T) and soon to be offered at others (Verizon Wireless and...

The Samsung Galaxy S4 is definitely the smart phone of the moment, the top range of the producer and one of the most popular available. The functions available are truly countless, perhaps even more than is necessary, but it is clearly an attempt to give the user something more than the competition.

Super AMOLED display, 4G LTE technology, NFC module, Internal Memory, Front Camera, Image Stabilizer, Quad-Core Processor; Voice Drive, Optical, Smart Pause; Cover flexible; Simultaneous Photo Recording and movies, IR LED, S Health; Snap photos with the contemporary two cameras

Slowdowns in animations and navigation

Samsung's Galaxy S series has been considered by many to be the best thing that ever happened to Android. But does the S4, live up to the heritage of the SII and SIII? Looks: Isn't that the SIII?

H alfway through 2010, Samsung introduced the innovative Galaxy S smartphone to the market. Since then, the enormous hype surrounding the Galaxy S phones has only increased, the S2 improved considerably and became enormously popular. Samsung outdid themselves with the Galaxy S3 .

The Galaxy S 4 is a solid improvement over the GS3, and the best Samsung device we've ever used, but we'd love to see Samsung come up with a fresh design and premium look.

Superb 1080p Super AMOLED display; Camera takes impressive daylight shots; Snapdragon 600 delivers solid performance; Battery life better than most flagships

Several new features are impractical and half-baked; Boring overall design without premium look or feel