Thread: Possible End of N900 era on t-mobile US
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peterleinchen is offline peterleinchen
2020-08-06 , 07:06
Posts: 4,118 | Thanked: 8,901 times | Joined on Aug 2010 @ Ruhrgebiet, Germany
#28
I do not understand your question?
Originally Posted by pichlo
How would you explain that? The phone needs 3G at least for the registration, but then uses 2G for making calls? Or are the calls somehow routed through 3G after all?
juiceme explaine bit here.

If your provider does not support 2G (GSM) then you need another technology. In case of yours it is 3G (UMTS) which both support voice calls with CS. Up from 4G (LTE) you need a VoLTE capable phone.
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