You can activate your new credit card by sending an SMS using your registered mobile number. Send it to 2086 (for GLOBE and TM) and 4629 (for SMART and TNT) using the following format:
SBCARDS[space]ACTIVATE[space]Birthdate(mmddyy)/ExpiryDate(mmyy)/(last four digits of your card number)
Example: SBCARDS ACTIVATE 052274/1217/6813