Nspro v6.2.4 released:

Subject: Nspro v6.2.4 released: Sat May 05, 2012 6:14 am

Added T989D Unlock support.
Added I847 Rugby Smart Unlock support.
Added I857 DoubleTime Unlock support.
Added T769 Galaxy S Blaze 4G Unlock support.

NO Root required for unlock

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Latest NsPro version can be downloaded from NsTeam website: [You must be registered and logged in to see this link.]
And from NsPro support area.