Will I be able to utilize the new bands (such as 71) when using an unlocked Sprint LG V40 on T-mobile?

stockmarketloser

    Hi, I know the LG V40 Sprint phone supports the new band 71. But if I bring the unlocked one from Sprint to T-mobile, does anyone know if the Sprint firmware will allow it to utilize this band considering Sprint doesn't use it on its own network? Also, will I continue to get firmware updates from Sprint or T-mobile or none?

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