A:AnswerHello. Although this Galaxy Note20 5G is unlocked, we would suggest contacting the carrier to ensure their services can be added. Thank you for asking this question. ^Kayla
A:AnswerThe only way you really to use an SD card is to have an OTG that has capabilities of reading that SD card and then plugging it into the phone so externally is the only option, but I also found that you can use the Samsung Dex and store things there as well
A:AnswerALL 5G phones revert to the next strongest signal available at the time if 5G is unavailable. If they didn’t they’d be useless in areas they have yet to implement 5G service.
A:AnswerIf state side providers are in that country like AT&T, Verizon, T-Mobile who have 5G then possibly. It all boils down to what bands the phone is compatible with, what bands are offered in the country you want to use the phone and what carrier you're going to use the phone on. Your best bet is do your homework and reach out to the carrier in the country you want to use a phone that was intended for the US market...