It’s a good idea to consider the OnePlus 12 if you’re wondering whether it would fit your needs since OnePlus knows its audience well. I have never seen a phone look this good in a long time, and I doubt that will ever change, while other phones look like boring metal slabs. It has a brighter screen, longer battery life, and faster charging than competitors’ Ultra and Pro models. But, one question that everyone is asking is whether Oneplus 12 supports DSA or is a DSDS. Well, here in this article, you will get the answer.
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Does OnePlus 12 Support DSDA, or Is it a “DSDS?”
It supports two 5G+5G simultaneous connections with dual SIM dual active mode (DSDA). In order to support DSDA, this phone has a Qualcomm Snapdragon X63 5G Modem-RF System. Reddit user, however, reports that the Chinese version of the OnePlus 12 is the only one with DSDA, while the rest have DSDS.
Dual SIM Dual Active vs Dual SIM Dual Standby – Notable Differences

Dual SIM phones come in two types: Dual SIM Dual Active (DSDA) and Dual SIM Dual Standby (DSDS). In a DSDA phone, both SIM cards can be active simultaneously, meaning that each SIM has dedicated radio frequency components such as radio front ends and antennas. On the other hand, in a DSDS phone, both SIM cards share the same RF components.
If you are using a DSDS phone and are on a call using SIM 1, you won’t be able to receive calls or use internet services using SIM 2. If someone tries to call you on SIM 2, they may receive a “not reachable” message or a blank tone.