Just a few days ago we reported that AT&T will start selling latest HTC and Nokia Windows Phone 8 flagships with dates only for Lumia 920. HTC Windows Phone 8X will be available in two memory variants, 16GB and 8GB. 16GB variant will come only in California Black while 8GB version will come in both California Blue and Limelight. HTC 8X 16GB will cost $199.99 (on-contract) while 8GB version will cost $99.99. It’ll be available for order both online and in ATT stores.