T-Mobile Changing dates on there ad for the new HTC One?

Just checked T-Mobile's ad for the new HTC One that has been rumored to be pushed back do to shortage on the new ultra pixel module and the voice coil motor. T-Mobile's previous ad showed that you were suppose to preregister by 3/12 to get the $100 Visa and then purchase the phone by 3/31, but now it says to register by 3/26 and purchase by 3/31. Does this mean we should be seeing the HTC One be released on the 22nd at Major Carriers beside T-Mobile, or does this mean that mean the HTC One will be out in T-Mobile during the first week of April. I will keep you posted.