How long does it take till t-mobile unables a prepaid sim card due to no refilling?

milaeg

    I'm from Brazil and last time I went to America, on August 2016, I got a Pay as you go Starter kit.

    I'm comming back to Florida next May and I'd like to know if my SIM Card is still activated or if I have to buy a new one.

    Thanks a lot!

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