
Are the following mentions coreferent?:
<m> announced </m> in T-Mobile has announced it will be carrying the BlackBerry Curve 8900 smartphone this February, although it will not offer 3G data service. U.S. mobile operator T-Mobile has officially announced it will be offering the BlackBerry Curve 8900 smartphone this February. T-Mobile has not revealed an official release date or pricing information for the BlackBerry Curve 8900, although the unit will work with T-Mobile's unlimited HotSpot Wi-Fi based calling service. 
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<m> announced </m> in T-Mobile today announced the BlackBerry Curve 8900, the thinnest and lightest full-QWERTY BlackBerry smartphone. The BlackBerry Curve 8900 features a titanium-colored finish with chrome highlights. It combines a compact design with a full-QWERTY keyboard, 512MHz processor for fast and responsive performance, and built-in GPS and Wi-Fi ( 802.11 b/g ) connectivity. 