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Thread: SIM card for T-Mobile wifi hotspot

  1. #1
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    SIM card for T-Mobile wifi hotspot

    Hi all. I'm getting the new T-Mobile 5G hotspot box to replace an old ZTE 4G LTE device. Can I use the same SIM card in the ZTE or do I have to go to the store and get a completely new SIM card from T-Mo for the 5G box?

  2. #2
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    How old is the prior SIM card? If more than 5 years, you would be better off with a newer SIM card even if it works with the old SIM. Older SIM cards may not have full access to the newer networks/bands.
    Just another day in paradise.....

  3. #3
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    Thanks for the quick reply! I got the ZTE box/SIM card in November 1995. It still works pretty well -- battery still lasts a full day -- but also itching to get on the 5G bandwagon for my mobile wifi.

  4. #4
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    That old SIM card will not be compatible with the newer 5G networks, so in that case you will want a newer SIM card, unless you want the slower data speeds on 4G or possibly 3G in select markets. I don't know if T-Mobile has killed their 3G networks in the US yet.

  5. #5
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    Whoops, 1995? I meant *2015*. Still, it's old. Thanks again for the 411.

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