This week is an absolutely crucial week for BlackBerry(NYSE:BB). The company's powerful new handset, the Z10, was launched on AT&T (NYSE:T) on Friday, and it's due to launch with Verizon (NYSE:VZ) and T-Mobile this week. In this video, Motley Fool tech and telecom analyst Andrew Tonner tells investors why a big win for the company here is vital as it struggles to stay relevant in a market dominated by iOS and Android phones. Andrew also gives us a preliminary look at how the company is performing in terms of sales.

Andrew Tonner owns shares of Apple. The Motley Fool recommends and owns shares of Apple. Try any of our Foolish newsletter services free for 30 days. We Fools don't all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.