Does the Samsung Galaxy S25 Ultra have a MicroSD card slot?

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Nope, no MicroSD card slot on the Galaxy S25 Ultra. Samsung ditched expandable storage back with the S21 series, and it's not coming back.

I know this is a dealbreaker for some people, and I get it. Being able to pop in a cheap SD card and double your storage was genuinely useful. But the industry has moved on, and there are reasons for it. The internal storage in phones like the S25 Ultra is way faster than any SD card. We're talking UFS 4.0 technology versus MicroSD speeds. Apps load faster, files transfer quicker, and there are no weird issues with apps installed on external storage.

So what are your options? The S25 Ultra comes in 256GB, 512GB, and 1TB configurations. My advice: buy more storage than you think you need, because you're stuck with whatever you choose.

If you realize later that you need more space, you've got a few workarounds. USB-C flash drives work great. You can pick up a 512GB one for less than 30 bucks, plug it into your phone, and offload files whenever you need to. Not as convenient as built-in expandable storage, but it works.

Cloud storage is the other obvious solution. Google Photos can back up your pictures in a storage-saving format for free. Samsung Cloud, Google Drive, Dropbox. They all work fine for keeping stuff off your phone.

If you shoot a lot of 8K video or download tons of music and movies for offline use, seriously consider the 1TB model. 8K video files are huge, and they'll eat through storage fast.