Megan Ellis / Android Authority
TL;DR Samsung Galaxy phones offer granular connectivity options for multiple SIM cards internationally, but not in the US.
With One UI 8.5, Samsung appears to finally be bringing these same settings to America.
Users will be able to choose their SIM preference for phone calls, text messages, and cellular data.
We are just days away right now from Galaxy Unpacked, when Samsung is expected to introduce the new Galaxy S26 series, alongside its latest Galaxy Buds 4 earbuds. More than the hardware, though, this event should also mark the formal arrival of the company’s One UI 8.5 system software. We’ve been seeing new beta builds arrive for the S25 for months, and as we get ready for it to go stable, we wanted to draw your attention to one nice little change that’s so far gone under-noticed.
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If you’re an international Galaxy user, you’ve already been able to configure a phone equipped with multiple SIMs to use certain ones for calls, texts, and data. Here in the US, though, Samsung hasn’t offered the same settings. But with One UI 8.5, it looks like that’s finally changing. (Thanks: Dylan H)
With the new software, even Galaxy users in the US will start to see the options for configuring which SIM should be used for what.
Over on Reddit, US Mobile subscriber slylte shows off how it looks once you make those selections, running the 8.5 beta on their S25 Ultra:
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