Non-carrier UNLOCKED Samsung Galaxy S7 on T-Mobile?

magenta1331207

    Hello. I was wondering if unlocked (never carrier, never AT&T) Samsung Galaxy S7's have a reputation of working well on T-Mobile, including using Band 12 towers, and having T-Mobile's Wifi calling and VolTE.

     

    Related to this was my question about a former AT&T unlocked Samsung S7 Active, which had all kinds of problems:

     

    Unlocked AT&T S7 Active - moved to T-Mobile: Not working well.

     

    I am wondering if all this is avoided if the unlocked phone never was on AT&T.

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