This week marks the debut of the BlackBerry 10 flagship, the Z10.

    It comes in two different versions.

    The basic Z10 has been out for a few months now, with a new camera, screen and processor.

    The upgrade also includes a new version of BlackBerry Passport, a more secure BlackBerry 10 smartphone with BlackBerry 10’s own BlackBerry Cloud service.

    And the Z9, which is now out in Canada, will come out in the UK on November 1.

    But which of those phones is best to buy?

    Here are the specs, features and specifications for all three of the new BlackBerry phones. 

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