
Are the following mentions coreferent?:
<m> launch </m> in T-Mobile USA will launch Research In Motion's BlackBerry Curve 8900 in February, further strengthening its smartphone lineup in 2009. T-Mobile has not released a specific launch date or pricing information. 
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<m> Launch </m> in BlackBerry Q10 Preorders Launch on T - Mobile April 29 April 24, 2013 BlackBerry's new Q10 smartphone will be available for preorder for business customers on T - Mobile's website April 29, according to an online statement by the carrier. 