Originally Posted by John Clark
What??? I don't think so. Do you mean you can use the OZ Instant Messenger program without a data plan?
Blackberry Messenger uses pin to pin which requires a Blackberry Data Plan.
Per T-Mobile, list of new features on OS .107:
1. Redesigned Application list that is displayed when you press the Menu key from the Home screen.
2. Improved quality and reliability of the audio experience during phone calls.
3. Improved two-way audio experience. 4. Ability to use t-zones browser, Instant Messaging and Picture Messaging for all customers (additional charges may apply).
5. Improved persistence of Call Logs and Messages.
6. Ability to use t-zones browser, Instant Messaging and Picture Messaging for all customers (additional charges may apply)
7. Improved consistent behavior of the ABC indicator.
8. Improved stability when using a Bluetooth headset.
9. Improved reliability of myFaves icon appearance.
10. Improved reliability of keyboard lock feature.
11. Daylight Savings Time Patch Integration.
And I'm sure the "additional charges may apply" is for Instant and Picture messaging, NOT PIN.