Sun's BlackBerry Internet Service Unlimited for Prepaid and Postpaid

Post Paid

Plan 999 - Unlimited Blackberry Service 
includes unlimited Blackberry service, unlimited mobile internet and unlimited call & text to Sun subscribers

or you can choose
BlackBerry Data Add-on Plans instead, this are paid on top of your current postpaid plan.

Or you can register for blackberry services anytime you want with

Pre Paid/Post Paid
BB1DAY - 1 day unlimited for P50
BB3DAY - 3 day unlimited for P125
BB7DAY - 1 week unlimited for P250
BB3DAY - 1 month unlimited for P1000

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Learn More about the Sun Cellular's BlackBerry Internet Services