activate internet

how do i active the internet on my unlocked t moblie galazy s2 for att carrier?

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› See More: activate internet

~Make sure your SIM card is properly inserted.
~Go to settings ->wireless and newtorks ->mobile networks
~Select: Use packet data.
~Go to settings ->wireless and networks ->mobile networks ->Access Point Names.
~Selcet menu button on your phone -> Select: Reset to default
~Restart phone
If this does not work, try: Upgrade to 4G SIM card
If this does not work, try: Upgrade phone to Gingerbread 2.3
Repeat above steps.
All else fails... Contact T-Mobile
~~~Good luck~~~