Two SIMs and a memory card: which phones let you use all three?

You’ve got a personal number, a work number and enough photographs to document every meal you’ve eaten since 2017. A dual SIM phone with expandable storage sounds idea. Until you discover that the second SIM and memory card need the same slot.

Both features can appear on the specification sheet without working together. Annoying? Yes. But avoidable once you know what to look for.

To use two physical SIM cards and a microSD card at the same time, you need two SIM slots and a dedicated memory card slot. You’ll find this arrangement on selected phones from Xiaomi, Realme, Vivo, OnePlus and Samsung. Some Motorola and Sony models offer another route through one physical SIM, an eSIM and a memory card.

We’ve looked at examples from our range to explain the difference, including the similar names and regional versions that can make shopping unnecessarily complicated.

The hybrid SIM slot is where things get awkward

A SIM connects your phone to your mobile network. A microSD card stores files. They have separate jobs, but some phones make them share a space.

A hybrid SIM slot accepts either a second SIM or a microSD card. You can use two physical SIMs, or one physical SIM and extra storage. Usually, you can’t fit all three cards together.

A dedicated microSD slot removes that choice. Specifications might describe it as a ‘triple slot’, ‘2+1 card slot’ or ‘SIM 1 + SIM 2 + microSD’.

That shared arrangement is called a hybrid SIM slot. You can fit two SIM cards, or one SIM and a memory card. You must choose.

For example, the Galaxy A15’s arrangement is ‘SIM 1 + Hybrid (SIM or MicroSD)’. Both features are there, but that doesn’t mean there’s room for three cards.

This is why we recommend checking the slot arrangement rather than relying on ‘dual SIM’ and ‘expandable storage’ appearing somewhere in the description.

Phones that can take two physical SIMs and a microSD card

These models appear in our catalogue. The table describes the manufacturer-documented versions, so match the exact variant before buying. Catalogue inclusion doesn’t mean every colour or storage option is currently available.

Xiaomi Redmi Note 10 Pro

The international Redmi Note 10 Pro combines a 6.67-inch AMOLED display, 120Hz refresh rate and a dedicated memory card slot. It’s an example of an older phone retaining practical features that aren’t guaranteed on newer models.

Xiaomi documents a triple-slot arrangement for this generation. However, don’t assume the same applies to the whole Redmi Note family. Xiaomi’s UK specifications list a hybrid slot on the Redmi Note 13 and Note 13 5G, so moving to a newer number doesn’t automatically preserve your three-card setup.

Realme 10

Realme lists two nano-SIM slots and microSD, alongside a 6.4-inch 90Hz Super AMOLED display and 33W charging in this model.

Our listing offers 128GB and 256GB storage options. That gives you a choice of built-in capacity while retaining a card for compatible files. If you keep a sizeable offline music collection or take plenty of photos, that flexibility is worth considering.

Vivo Y36 and Y27

Vivo explicitly lists two nano-SIMs plus one microSD card for the Y36 4G. The Snapdragon 680-based model in our catalogue matches that 4G product family.

The Y27 4G, with a Helio G85 processor, also has separate spaces for all three cards. Its 5G namesake is a useful example of why checking matters: Vivo lists the Y27 5G’s second position as SIM or microSD.

The useful point is that Vivo offers the arrangement on specific models, without requiring you to convert one number to eSIM.

OnePlus Nord CE 2 5G

The OnePlus Nord CE 2 supports two SIM cards and a separate microSD card, with expansion up to 1TB. OnePlus describes it as a triple-slot arrangement.

The similarly named Nord CE 2 Lite 5G uses a hybrid slot. That extra word changes the answer to the question this article is about.

There are other considerations with an older model, too. OnePlus originally promised two years of Android upgrades and three years of security patches for the CE 2, so that original support period has passed.

Samsung Galaxy A series

The Galaxy A05s, Galaxy A06 and Galaxy A14 also belong in the comparison. Samsung confirms separate SIM 1, SIM 2 and microSD positions on its dual SIM SM-A057G version, with memory card support up to 1TB.

That makes it worth comparing with the other models if you prefer Samsung’s interface. The important feature here is the dedicated slot, rather than the brand name.

Motorola and Sony

Motorola documents one physical nano-SIM, an eSIM and microSD for the Moto G 2025.

Sony provides a similar route on the European Xperia 10 VI XQ-ES54: one physical SIM, an eSIM and a microSD card. The Xperia 10 VI is in our range, but check the model code because regional versions can use different card arrangements.

These options let you keep two plans and extra file storage. They won’t meet your requirement if both SIM cards must remain physical.

Will a memory card solve low storage?

It helps when photos, videos, music and documents are taking up space. It’s less useful if your phone is full of apps and games.

Not every app can move to a memory card, and some that can still leave data in internal storage. Downloading films or music directly to microSD also depends on whether the app allows it.

Choose enough built-in storage for your apps, then use the card for compatible files. A large microSD card doesn’t turn a 64GB phone into the equivalent of a handset with the same total capacity built in.

Can both numbers receive calls at the same time?

Dual SIM often means dual standby: both lines can be available while you’re not on a call. It doesn’t automatically mean the phone can handle two independent calls simultaneously.

What happens to the second line during a call depends on the phone, software and network features. You can normally choose which SIM handles mobile data and set preferences for calls and messages. If being reachable on both numbers during a call is essential, check that separately from the card layout.

What should you look for before ordering?

Start with the phrase ‘two SIMs plus a dedicated microSD slot’, then match the exact model and regional version. Check software support, network compatibility and internal storage as well, especially when considering an older handset.

We carry several of the models discussed in our SIM-free phone range. If you’re unsure about a supplied version, contact us before ordering and ask whether it supports two physical SIM cards and a microSD card together. That specific question is more useful than asking whether it’s dual SIM, and saves you discovering the shared-slot compromise after opening the box.