Best Android phones with expandable memory (March 2018)

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A few years ago,  phones with expandable memory were starting to become a dying breed. However, there are still many great phones that include microSD card slots so you can add as much as 512GB of additional storage to your phone

Today we are making it easy for you to find phones with expandable memory. We have created a list of our very favorite phones with microSD support, so let’s get started!

Editor’s note – We will be updating this list as more devices hit the market.

Samsung Galaxy Note 9.

The latest phone in the Galaxy Note series may be the best phone released by Samsung. It has some extremely high-end hardware inside. Even if you get the lowest priced model, you still get a phone with a 6.4-inch display, a Qualcomm Snapdragon 845 processor, 6GB of RAM, 128GB of onboard storage, a microSD slot to expand the storage up to 512GB, and a big 4,000mAh battery that should last you at least a day, or perhaps more, on a full charge.

You can even get a model with 8GB of RAM and a massive 512GB of storage, which is plenty of space to keep all of your important business files on the go. Yes, you can use this phone, and add an additional 512GB with the microSD card slot for a total of over 1TB of storage.

The S-Pen has been revamped, adding Bluetooth LE support. That allows you to use it as a remote controller to open apps, control the camera and more. This could be handy in business meetings if you mirror the Note 9’s screen on a big monitor; you can control the phone hands-free with the S-Pen.

Speaking of mirroring the phone’s display, the Note 9 can also work in a PC desktop mode, thanks to Samsung’s newest version of its DeX technology. You only need to connect the phone to a monitor or TV with a USB-C to HDMI adapter and cable. As we have stated, the S-Pen can be used to interact with the phone’s apps and features remotely, or you can use the Note 9’s display to mimic the use of a PC laptop touchpad or keyboard. 

All of this comes at a cost; you will have to pay $999 to get the 6GB/128GB model and $1,249 for the 8GB/512GB model.



  • 6.4-inch Super AMOLED display with 2960 x 1440 resolution, 516 ppi
  • Qualcomm Snapdragon 845 or Exynos 9810 processor (depending on region)
  • 6/8 GB of RAM
  • 128/512 GB of on-board storage, microSD expansion up to 512 GB
  • Dual 12 MP rear cameras, 8 MP front
  • 4,000 mAh battery
  • Android 8.1 Oreo
  • 161.9 x 76.4 x 8.8mm, 201 g

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LG G7 ThinQ

See more LG G7 ThinQ photos

The new LG G7 ThinQ is an amalgamation of last year’s V30 and G6… with a little iPhone X thrown in.

On top of that super bright 6.1-inch display, you’ll find the oh-so-2018 notch cutout. If you aren’t a fan, you can “turn off” the notch in the settings menu.

LG phones have always provided a solid audio experience, and the G7 ThinQ is no different. The phone actually uses its inner space as a resonance chamber to boost bass and deliver all-around louder audio. It also comes with a 32-bit Hi-Fi Quad DAC and DTS:X 3D Surround Sound support.

This phone also comes with some of the best specs you can find on any smartphone out there: a Snapdragon 845 SoC, dual 16MP wide-angle cameras, as well as IP68 and MIL-STD 810G certifications. Of course, it’s a phone with expandable memory, with its microSD card slot available for adding up to 512GB of storage. As an added bonus, there’s also a dedicated Google Assistant button that lets you talk to the voice assistant like a walkie-talkie. It’s pretty neat.


  • 6.1-inch IPS LCD display with 1,440 x 3,120 resolution, 564 ppi
  • Octa-core Qualcomm Snapdragon 845
  • 4/6 GB of RAM
  • 64/128 GB of on-board storage, microSD expansion up to 512 GB
  • Dual 16 MP rear camera, 8 MP front camera
  • Non-removable 3,000 mAh battery
  • Android 8.0 Oreo
  • 153.2 x 71.9 x 7.9 mm, 162 g

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Samsung Galaxy S9 and S9 Plus

The Samsung Galaxy S9 and S8 Plus are two of the newest and best T-Mobile phones on the network right now. Visually, they don’t look very different than the older Galaxy S8 and S8 Plus, but inside there’s many differences. Both have the new Octa-core Qualcomm Snapdragon 845 processor, and both have Android 8.0 Oreo out of the box. Both also have 64 GB of storage, with a microSD card slot to add more storage, but the 5.8-inch S9 has 4 GB of RAM and the 6.2-inch S9 Plus has 6 GB of RAM.

The biggest change comes in the camera department. The Galaxy S9 includes a single rear 12 MP camera, which includes a dual aperture mode. The main mode has a f/1.5 aperture, but you can press a button to activate mechanical blades that close down over the sensor, which offers a f/2.4 aperture mode for taking better pictures in bright daylight.

The Galaxy S9 Plus has the same 12 MP rear camera with the dual aperture mode as the S9, plus a secondary 12 MP rear sensor with a f/2.4 aperture. It is used as a telephoto lens for the S9 Plus, and also supports a proper portrait mode in Live Focus. If you love to take slow motion videos, the rear cameras on the S9 and S9 Plus can do so at an amazing 960 fps at 720p resolution. Both phones also have a front-facing 8 MP camera at f/1.7 aperture. 


Samsung Galaxy S9

  • 5.8-inch Super AMOLED display with 2960 x 1440 resolution, 570 ppi
  • Octa-core Qualcomm Snapdragon 845 or Octa-core Samsung Exynos 9810 processor (depending on region)
  • 4 GB of RAM
  • 64 GB of on-board storage, microSD expansion up to 400 GB
  • 12 MP rear camera, 8 MP front camera
  • Non-removable 3,000 mAh battery
  • Android 8.0 Oreo
  • 147.7 x 68.7 x 8.5 mm, 163 g

Samsung Galaxy S9 Plus

  • 6.2-inch Super AMOLED display with 2960 x 1440 resolution, 529 ppi
  • Octa-core Qualcomm Snapdragon 845 or Octa-core Samsung Exynos 9810 processor (depending on region)
  • 6 GB of RAM
  • 64 GB of on-board storage, microSD expansion up to 400 GB
  • 12 MP rear camera and 12 MP secondary camera, 8 MP front camera
  • Non-removable 3,500 mAh battery
  • Android 8.0 Oreo
  • 158.1 x 73.8 x 8.5 mm, 189 g

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HTC U12 Plus

HTC U12 Plus

HTC’s latest flagship, the U12 Plus (there is no U12, by the way) includes a lot of we loved about the HTC U11 Plus but with a few obvious upgrades. Anyone who has used the HTC U11 or U11 Plus will find the latest flagship very familiar. HTC continues its minimalist Liquid Surface design language, giving us a beautiful glass design with IP68 water resistance. The biggest design change can be found in the buttons. Instead of physical keys, they are now pressure-sensitive. While these buttons may not provide a physical click, they do provide haptic feedback to let you know they’ve been triggered.

The rear camera configuration has 12 and 16MP cameras with the main camera supporting optical image stabilization (OIS). Meanwhile, the secondary shooter is a telephoto lens, capable of 2X optical zoom and 10X digital zoom. There are also two wide-angle 8MP sensors on the front, and they also add face unlock for quickly unlocking your phone.

The HTC U12 Plus also supports a new version of the company’s Edge Sense technology. This time, the sides of the phone can sense where your hands are. With your hand on one side, you can tap twice with your thumb to shrink the display. This new change makes one-handed use much easier. Also If you’re holding your phone in a way that makes it obvious you are trying to use portrait mode, moving the phone slightly will no longer trigger auto-rotate, which is a pretty common annoyance for those who use their phones in bed.

The HTC U12 Plus offers the latest Qualcomm processor, the Snapdragon 845. The handset offers 6GB RAM and either 64 or 128GB of internal storage, with microSD expansion of your onboard storage up to 512GB. There’s also a big 6-inch Super LCD 6 panel with a resolution of 2,880 x 1,140. The battery on the HTC U12 Plus is a bit smaller, going down to 3,500mAh. BoomSound is back for great audio support but there’s no  headphone jack for the U12 Plus

The HTC U12 Plus comes in both translucent blue and ceramic black colors for $799. This base model comes with 64GB of storage. The beefier 128GB model comes in just translucent blue, and is priced at $849.


  • 6-inch Super LCD 6 display with 2,880 x 1,140 resolution, 537 ppi
  • Qualcomm Snapdragon 845 processor
  • 6GB of RAM
  • 64/128 GB of on-board storage, microSD expansion up to 512TB
  • 12 MP and 16 MP rear cameras, two 8MP front cameras
  • 3,500 mAh battery
  • Android 8.1 Oreo
  • 156.6 x 73.9 x 8.7-9.7mm, 188 g

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Razer Phone

Razer, who have already been highly successful with their wide range of gaming PC and console hardware and accessories, decided they wanted to make a gaming and entertainment-oriented smartphone. The result is the recently launched Razer Phone. The fact that it packs in 8 GB of RAM shows you they want to make gaming on a phone smoother and better than on a normal device.

Besides 8 GB, the Razer Phone includes a big 5.7-inch display with a 120 Gh refresh rate and 64GB of onboard storage with microSD card support for adding more expandable memory. That feature can be combined with the phone’s other major feature, Ultra Motion, which syncs up its GPU with the high refresh rate, allowing games made for the phone to have silky smooth frame rates with little to no lag or graphics tearing.

Besides the display features, the Razer Phone also has a big 4,000 mAh battery, the Qualcomm Snapdragon 835 processor, loud twin front speakers with Dolby Atmos support, and more to make it perhaps the best phone ever made specifically for gaming. You can purchase it now from Razer for $699.


  • 5.7-inch-inch LED display with 1,440 x 2,560 resolution
  • Qualcomm Snapdragon 835 processor
  • 8 GB of RAM
  • 64 GB of on-board storage, MicroSD slot available
  • Dual 12 MP rear cameras, 8 MP front camera
  • Non-removable 4,000 mAh battery
  • Android 7.1.1 Nougat
  • 158.5 x 77.7 x 8 mm, 197 g

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Those are our favorite microSD-compatible smartphones! Do you have a favorite that’s not listed? Is microSD support even a big deal to you? Hit the comments to let us know!

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