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If you want to be one of the first to get your hands on this handset, the 32GB version costs $329.99 after a $50 rebate and signing a 2 year contract. T-Mobile is planning to broaden the release of the device by the 27th June and you will also have a 16GB variant to choose from, which will cost you $279.99 with the same rebate and contract.
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The Samsung Galaxy S III for T-Mobile features a 4.8 inch Super AMOLED HD display, 8 megapixel intelligent camera in the rear which is capable of 1080p HD video capture, a secondary front facing camera which is capable of 720p HD video capture, up to 64GB of internal storage which can be expanded through microSD, NFC connectivity, Wi-Fi, Bluetooth 4.0 and is powered by a 1.5GHz dual-core processor with 2GB of RAM.
If you want to be one of the first to get your hands on this arguable flagship Android device
source : T-Mobile