OnePlus 8T barometer

OnePlus has offered dual SIM slots with their phones in North America for as long as we remember . This trend continued even with their last OnePlus 8/8T series.

Yes, the OnePlus 8T 5G will work with both At&T & T-Mobile . I am running dual SIMS and have both. HOWEVER, I just got off the phone with AT&T earlier and they do NOT support OnePlus phones as far as offering 5G even though these phones are 5G capable.

Yes , OnePlus phones are compatible with the hardware needed in US. So you can use a OnePlus bought in India in the US easily.

Only the US Model Works Well Here Potential OnePlus buyers should also know there are four different global models of the phones, for North America, Europe, India, and China. The North American model has one SIM card slot; the others have two.