How to hard reset BlackBerry DTEK50?

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how to how to hard reset blackberry dtek50 ?

Restart methods for BlackBerry smartphones powered by Android

Perform a hard reset on BlackBerry smartphone powered by Android:

Note: If the BlackBerry smartphone powered by Android will not power up then perform this hard reset. (This is the equivalent to a battery pull)

Press and continue to hold the Power key for 32 seconds.