“Can i activate this for an existing account online? I have an existing account with t-mobile that isn't pre-paid but monthly and i was wondering if i could use this card and activate it online and pop into my new phone.”

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• Yes you can ,the adapter's works fine on all phones from mini sim card to micro sim,micro to a simcard it's a good tool

  Answered by toyo 10 years ago

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• I previously had a post-paid account which I cancelled. Then added a prepaid number with this SIM kit and I was able to use my existing T-Mobile username, which recognized both accounts

  Answered by emiliosic 9 years ago

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• I found that the online process was more catered towards those starting a new service. However, if you call the number provided in the package, it takes about a minute and is super easy.

  Answered by Luster33 9 years ago

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• Simple..to be sure call T-Mobile. I would suppose it would work fine.

  Answered by LaloSr69 10 years ago

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