T-Mobile on Monday announced that the Samsung Galaxy S Blaze 4G will be available in select stores on March 21st and nationwide on March 28th. The carrier’s newest 4G HSPA+ smartphone is equipped with a 3.97-inch Super AMOLED display and a dual-core Snapdragon S3 processor clocked at 1.5GHz. The device also features a 5-megapixel camera capable of recording 720p HD videos, a 1.3-megapixel front-facing camera, HSPA+ 42 connectivity and Android 2.3.6 Gingerbread. The Samsung Galaxy S Blaze 4G will cost $149.99 after a $50 mail-in rebate card and a new two-year agreement.