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These are the best Galaxy S21 Ultra thin cases in Summer 2021: Spigen, OtterBox, UAG, and more!

These are the best Galaxy S21 Ultra thin cases in Summer 2021: Spigen, OtterBox, UAG, and more!

Not everyone likes bulky smartphone cases, which is why there are so many slim cases on the market. If you’ve purchased Samsung’s flagship Galaxy S21 Ultra, you’re probably on the hunt for a case for your shiny new smartphone. It’s a beautiful expensive phone, and you’ll want to protect it in some way, even if you don’t want to completely plaster over its design. To help you out, we’ve compiled some of the best thin cases for the Samsung Galaxy S21 Ultra that you can buy right now.

    Samsung Galaxy S21 Ultra Official clear cover

    Crystal clear

    This is Samsung's official clear case, and it's one of the most barebones you can get.
    SUPCASE Unicorn Beetle Pro Series

    Heavy duty protection

    While you’re in the market for a slim case, this rugged case from SUPCASE is worth exploring as it offers full body protection. There's a kickstand as well.


    Samsung Galaxy S21 Ultra 5G Silicone Cover with S-Pen

    S-Pen support

    Looking to buy an S-Pen and a case to store it? If so, this official case brings both to you. The case is made of silicone and feels great in hand.
    Samsung Galaxy S21 Ultra Official clear protective

    Crystal clear

    This is Samsung's official clear protective case, providing slightly more protection.
    Samsung Galaxy S21 Ultra Official clear standing cover

    Perfect for videos

    This is Samsung's official clear standing case - great for watching videos with your phone propped up!
    UAG Civilian Series case

    Slim and rugged

    If you want some rugged protection in a slim form factor, this UAG Civilian Case does both for you. It meets military-grade drop-test standards, and is super thin.
    Spigen Liquid Air

    Military-grade protection

    The Spigen Liquid Air case is slim and lightweight. Moreover, it comes with the company’s anti-shock protection for military-grade protection.
    Case-Mate Twinkle Ombre

    Add some bling

    If you want to add some shine to your Galaxy S21 Ultra, this case can help. It sports a gradient splash of iridescent glitter foil that will make your phone stand out.
    ESR Clear Case

    Slim and light protection

    This is a clear case from ESR that'll protect your smartphone from everyday bumps.
    Spigen Thin Fit

    Spigen's thin case

    Spigen is one of the best-known brands in cases, and this is the perfect thin fit for your smartphone.
    Ringke Air

    Light as air

    The Ringke Air case is incredibly thin and light, and is designed to add as little bulk and weight as possible.
    Ringke Frost Matte Case

    Frosted Matte finish

    Another from Ringke, this comes with a Frosted Matte finish, giving a unique design to your phone.
    OtterBox Symmetry Clear Series

    Minimalist design

    OtterBox is known for its sturdy cases but most of them are bulky. Fortunately, that's not the case with the Symmetry Clear Series. It's super slim and still provides OtterBox’s signature solid protection.
    Nillkin CamShield

    Protect your camera

    Want something that'll protect your camera while not adding too much bulk? This case might do the trick.
    Caseology Vault

    Tough and thin

    Tough but flexible, this particular case is slightly thicker than the rest. It's still on the thin side, though.

These are some of the best slim cases for the Samsung Galaxy S21 Ultra. All of them will provide some level of protection for your new smartphone, without adding a lot of bulk. Some of them will let you show off the Galaxy S21 Ultra’s beautiful design, while others will put a unique spin on it or add some rugged protection. Whatever you may want, there’s a case for everyone. Spigen and Otterbox are two of the best names in the business, while Nillkin, Ringke, and UAG also make some great quality cases.

Which case are you planning to get for your phone? Let us know in the comments section.

    Samsung Galaxy S21 Ultra
    The Samsung Galaxy S21 Ultra is the ultimate overkill in the new 2021 flagship series, packing in a flagship SoC, a premium build, a great display, and an amazing camera setup, as well as all the extras expected on a premium flagship.

About author

Gaurav Shukla
Gaurav Shukla

Gaurav has been covering technology for over a decade now. From blogging about Android to reporting the latest from the world of Internet giants, he has done it all. When he is not writing about the tech companies, he can be found binge-watching new TV series on the web.