Verizon iPhone SE fully works on T-Mobile but Verizon Samsung Galaxy S7 barely works on T-Mobile, could someone help me?

dog.

    So I have a Verizon iPhone SE and that works perfectly on T-Mobile but my Verizon Samsung Galaxy S7 Barely works on T-Mobile meaning that you can make calls but you cannot search the web without being on wifi. Could someone help me?

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