The Samsung Galaxy S II 4G's 4.3-inch (800x480) AMOLED display isn't as sharp as screens found on many competing models. Even so, with stunningly high contrast and vibrant colors, it can still hold its own.
2 of 10 Sarah Tew/CNET
Power enough for most
Running a 1.2GHz Exynos dual-core CPU, the Samsung Galaxy S II 4G is still nimble enough to flip through menus and launch apps quickly. It can also drive fancy live wallpapers smoothly such as this one with animated weather and windmills.
3 of 10 Sarah Tew/CNET
Simple but comfy typing
The Samsung Galaxy SII 4G comes with Samsung's standard virtual keyboard installed. It's a basic typing surface but is well spaced and comfortable to use. It also features the Swype keyboard for faster texts.
4 of 10 Sarah Tew/CNET
Headphone jack on top
On the top edge of the Samsung Galaxy SII 4G is its 3.5mm headphone jack.
5 of 10 Sarah Tew/CNET
A tiny power key
The right side of the Samsung Galaxy SII 4G holds a sole physical button, its tiny power key.
6 of 10 Sarah Tew/CNET
Adjust the volume
The Samsung Galaxy SII 4G's left side holds a thin volume rocker.
7 of 10 Sarah Tew/CNET
This back needs refinement
With a square shape that looks very different from the smooth curves of its sequel, the Galaxy S III, the Samsung Galaxy S II 4G's back plastic plate could be more refined.
8 of 10 Sarah Tew/CNET
Removable battery and SD Card
Under the Samsung Galaxy S II 4G's back plate is a removable battery and micro SD Card slot.
9 of 10 Sarah Tew/CNET
Old phone, fresh Android
One of the best features of the Samsung Galaxy SII 4G for Boost Mobile is its updated Android 4.0 OS.
10 of 10 Sarah Tew/CNET
Swype is on board
Aside from the standard software keyboard, the Samsung Galaxy S II 4G uses the Swype keyboard for fast one-handed text entry.