S21 Ultra Thinnest Cases of 2025
Best Choice1
![FNDMIL for Samsung Galaxy S21 Ultra Case with MagSafe [Adjustable Kickstand] [Charge While Standing] [Military Shockproof] Translucent Matte Soft Silicone Bumper for S21 Ultra Phone Case Slim, Black](https://cdn.gusav.com/8221dfa3/loader.svg)
FNDMILFNDMIL for Samsung Galaxy S21 Ultra Case with MagSafe [Adjustable Kickstand] [Charge While Standing] [Military Shockproof] Translucent Matte Soft Silicone Bumper for S21 Ultra Phone Case Slim, Black
Main highlights- 【Perfect Compatibility & Responsive Support】This mag safe compatible the Samsung Galaxy S21Ultra Case Cover is only fit for S21Ultra [6.8 inch], it provides precise cutouts for seamless access to all buttons and ports, and fits snugly phone. We provide you with 24/7 caring service. If you have any questions, please contact FNDMIL customer support, we will provide you with comprehensive protection plans, personalized support and help
- 【Magic Magnetic Lock】This Samsung Galaxy S21 Ultra case uses cutting-edge Halbach array technology and top-level 38 N52SH permanent magnets, providing amazing stability and up to 18N of secure magnetic force, enjoy a stronger connection experience and faster wireless charging. It is seamlessly compatible with most Mag-Safe accessories, such as the Mag-Safe car mount. The powerful suction keeps your phone stable even when driving on bumpy roads
- 【MAG×STAND— Magic Two in One】FNDMIL has been pursuing to create an excellent magnetic protective case for Samsung users. This time, the Samsung Galaxy S21 Ultra Case provides an advanced technology solution that combines beauty, protection and convenience, allowing you to experience hands-free and multi-angle tilting while uninterrupted wireless charging.
- 【Durable Adjustable Stand】After 30,000 rigorous folding tests, the folding area is made of high-carbon steel hinges for seamless closure and long-lasting durability. 0-65° adjustable angle allows for easy upright and horizontal support, perfect for watching shows, short videos, freeing your hands and enjoying a comfortable viewing experience. This Samsung S21 Ultra Case with kickstand can be integrated into every scene of your life
- 【All-round Shockproof】FNDMIL the Samsung Galaxy S21 Ultra Cover has passed the 12FT military grade shockproof certification , with built-in airbag slots in the four corners, a shockproof hard back, and a high-rebound, impact-resistant soft silicone bumper. It also has a raised 1.0mm screen edge and 1.5mm lens frame to protect the phone from daily wear and scratches, providing the ultimate shockproof protection for your phone
9.9Exceptional
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Value for Money2
TORRASTORRAS Shockproof Compatible for Samsung Galaxy S21 Ultra Case, [Military Grade Drop Tested] S21 Ultra Case, Translucent Matte Hard Back with Soft Edge Slim Thin Galaxy S21 Ultra Case, Matte Black
9.5 materials Quality9.3 Durability9.1 ComfortWhy we love it
Silky touch, comfortable grip without fingerprints.
Stylish, durable, and low profile design.
Responsive buttons, screen protector friendly.
9.7Exceptional
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3
Spigen30% OffSpigen Thin Fit Designed for Galaxy S21 Ultra Case (2021) - Black
9.7 Easy to grip9.7 Light weight9.5 Fingerprint scannerWhy we love it
Durable yet slim with Air Cushion Technology.
Lightweight with a premium matte finish coating.
Tactile buttons provide easy and solid feedback.
9.6Exceptional
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4
oakxcooakxco for Samsung Galaxy S21 Ultra Phone Case Liquid Silicone Grip, Cute Thin Slim Soft Rubber TPU Plain Smooth Gel Cover for Women Girl Aesthetic Design, Matte Solid Protective & Shockproof, Black
Main highlights- Official & Basic Design, Simple but Unique, Climate Friendly Recyclable Materials, Multi-colors for choice, suitable for women girls elegant ladies men boys friends teenage kids youth as a gift.
- NATURE & DURABLE silicone gel material, easy to clean, Anti Scratch matte surface anti fingerprint & dust proof & Smudge Free.
- Baby Skin-like Soft Touch, smooth rubber grip, anti-slip, non-slip design. Military Grade Hybrid Sturdy dual layer (2.0mm Thick Flexible Silicone & Microfiber lining) provide 360 degree heavy duty strong drop protection.
- 360 Full Body Cover ( Enhanced Camera Lens Cover & Protection), raised edge bezel provide screen & camera protection. Lightweight Thin Body support Wireless Charging (Not compaitble with Magsafe). Sensitive buttons with precise cutouts.
- Only compatible with Samsung Galaxy S21 Ultra 5G 6.8 inch (2021 New Released) [NOT for 4G Version]. Package: 1pc S21 Ultra 5G 2022 Case without screen protector. (Phone Model Number: SM-G998B, SM-G998B/DS, SM-G998U, SM-G998U1, SM-G998W, SM-G998N, SM-G9980)
9.5Excellent
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5
GiiYoonGiiYoon Silicone Case Compatible with Samsung Galaxy S21 Ultra 5G, Full Body Silky Soft Touch Phone Case with Camera Protection, Shockproof Cover with Microfiber Lining, Black
Main highlights- [User-friendly] The soft silicone makes it easy to apply the case to the phone. Easy to clean, just wipe and it is like new
- [Premium Service] We provide professional and pleasant customer service 24 hours a day. If you have any questions about the products, please contact us first, the best solution and service provided.
- [Innovative Design] New design with color matching, camera with 360 degree protection. No fingerprint, scratch-resistant, skin-touch design.
- [High Quality Material] Made of high quality silicone material.Silky soft touch and good grip, The soft microfiber lining on the inside keeps the back of your phone scratch-free
- [Full Protection] The case envelops the whole phone, including the bottom and buttons, and the camera on the back. The edge of the screen is 1mm high, effectively protecting the phone from all kinds of damage.
9.4Excellent
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6
CloudValleyCloudValley for Samsung Galaxy S21 Ultra Case with Camera Cover, Full-Body Protective & Slim Fit, Camera Protection Case Only for Samsung Galaxy S21 Ultra 5G 6.8 inch (2021 Release), Black
Main highlights- 【Wireless Charging Friendly】The supports wireless charging, no need to take off the phone case when going to wirelessly charge your phone.
- 【Ultra-Thin&Compact】It fits snugly against the Galaxy S21 Ultra, Make the touch feel closer to bare mobile phone.Exquisite Tactile Button,Access to all ports, controls & sensors. Buttons sense sensitively.
- 【Powerful Protection】Cushioned corners prevents your device from accidental drops and shocks. Exquisite Tactile Button,Access to all ports, controls & sensors.
- 【Compatible with】Only for Samsung Galaxy S21 Ultra 5G 6.8 inch
- 【Camera Cover Slide Design】Slide lens protection protects the camera of Galaxy S21 Ultra from collision and scratches, and protect your camera and privacy.
9.3Excellent
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7
CraveCrave Dual Guard for Galaxy S21 Ultra Case, Shockproof Protection Dual Layer Case for Samsung Galaxy S21 Ultra, S21 Ultra 5G (6.8 inch) - Navy
Main highlights- Tactile buttons provide a crisp and distinct press
- Premium protection from drops and scratches
- Designed for Samsung Galaxy S 21 Ultra, S21 Ultra 5G (6.8")
- Compact profile allows easy grip and happy pockets
- All Crave cases have a lifetime warranty
9.1Excellent
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8
Spigen37% OffSpigen Liquid Air Designed for Galaxy S21 Ultra Case (2021) - Matte Black
9.3 Comfort8.7 lasts a long time8.2 DurabilityWhy we love it
Slim and lightweight, perfect for pocket-friendly use.
Anti-slip matte surface ensures a secure grip.
Offers good protection with Air Cushion Technology.
9.0Excellent
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9
SpigenSpigen Tough Armor [Extreme Protection Tech] Designed for Galaxy S21 Ultra Case (2021) - Black
9.9 worth the money9.7 Easy to grip9.7 Fingerprint scannerWhy we love it
Excellent shock resistance with new foam technology.
Dual protection with TPU and Polycarbonate materials.
Reinforced kickstand protects screen and camera.
8.8Very Good
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10
THMEIRATHMEIRA for Samsung Galaxy S21 Ultra Magnetic Case [Compatible with MagSafe] with Camera Cover & Magnetic Ring Kickstand, Military Grade Heavy Duty Case for Samsung S21 Ultra 6.8'', Black
Main highlights- 【Upgraded Protection Ability Certified】Thesamsung galaxy s21 ultra case is SGS&ROHS certified military-grade drop protection. Exclusively on the market, on the inside of surrounding edges, it has upgraded shock 360° airbags, to leave extra room between the phone and case to absorb shock if dropped on a hard surface. Besides, it has strong rubber edges, which offers enough protection against collisions from all corners.
- 【Precise Cutouts & Comfort Grip】 Designed for Samsung galaxy s21 ultra 5G case, this case allows easy access to all ports, buttons and S Pen functions, soft TPU on both sides makes the phone easy to grip and non-slip.
- 【Invisible Stand Case】 The built-in aluminum magnetic ring can stand steadily in portrait or landscape mode when it opens, and is totally Invisible on the back (not Invisible the use of MagSafe accessories) when it folds. It's good to use on the desk or wherever when you work or consume media!
- 【Compatible with MagSafe】The case adds magsafe capability to your samsung galaxy s21 ultra to make your life freer, easier, and smarter. Like all magsafe cases for iPhone, you can easily play around with magsafe accessories such as a car mount, wallet, charger, etc.
- 【Camera Cover Protection】This case for Samsung galaxy S21 ultra with slide camera cover perfectly protects the camera lens from collision and scratches. Easy to slide without loosening. No need to use extra camera lens protector.
8.6Very Good
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