
Are the following mentions coreferent?:
<m> starting </m> in T - Mobile will carry the BlackBerry Q10, business registration begins April 29th, T - Mobile confirmed in an email that its business customers will have the opportunity to register for the device starting next week on April 29th, with availability and pricing details to follow "at a later date." General consumers will likely have to wait a little longer, if T - Mobile follows the same launch strategy that it did with the Z10. 
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<m> Begins </m> in T - Mobile BlackBerry Q10 Pre - Order Begins April 29th for Business Customers on April 24, 2013 T - Mobile today announced that the BlackBerry Q10 will be added to its growing 4G LTE smartphone portfolio.