The Samsung Galaxy S Blaze 4G is a comparable phone to the Samsung Galaxy S II. It is available on T-Mobile's network. The Galaxy S Blaze exchanges the Exynos CPU for an Adreno Snapdragon dual-core CPU. This chipset uses less power, allowing for better battery life without upgrading the size of the battery. The Blaze 4G uses a 5 MP rear camera, with a 1.3 MP front-facing camera. The Samsung Galaxy S Blaze 4G runs Android 2.3.6 natively, with a TouchWiz user interface on top of that.