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OtterBox for Samsung Galaxy S21 Ultra 5G, Superior Rugged Protective Case, Defender Series, Black

  • Based on 1,667 reviews
Condition: New
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This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

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Availability: In Stock.
Fulfilled by Amazon

Arrives Monday, Jul 14
Order within 9 hours and 21 minutes
Available payment plans shown during checkout

Features

  • Compatibility: OtterBox Defender Case for Samsung Galaxy S21 Ultra 5G (Not Compatible with S21, FE, Plus models)
  • Premium Rugged Design: Clean lines and a rugged grip have you covered for optimal form and function for your S21 Ultra, port covers keep out dust and debris
  • Drop+ 4x as many drops as military standard (Mil-Std-810g 516.6) works with wireless and MagSafe charging pads (no magnets in case)
  • Hands-Free Functionality: The included detachable belt clip holster doubles as a kickstand for hands-free viewing
  • Includes OtterBox limited lifetime warranty (see website for details)

Material: Plastic


Color: Black


Brand: OtterBox


Compatible Phone Models: Samsung Galaxy S21 Ultra 5G


Fastener Type: Clip On


Product Dimensions: 8.5 x 4.5 x 1.5 inches


Item Weight: 5.1 ounces


Item model number: 77-81983


Date First Available: June 15, 2021


Manufacturer: OtterBox


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Jul 14

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Great case!
Color: Black Size: Samsung Galaxy S21 Ultra ONLY
I bought this to replace the same case I had for 3 years, the belt clip broke on that one, I've dropped the phone numerous times and never any damage, best case I ever had.
Reviewed in the United States on June 9, 2025 by Joe

  • Great Replacement
Color: Black Size: Samsung Galaxy S21 Ultra ONLY
exactly as the original
Reviewed in the United States on June 12, 2025 by Leonard M. Cusano

  • Good buy
Color: Black Size: Samsung Galaxy S21 Ultra ONLY
Great protection and clip
Reviewed in the United States on June 10, 2025 by Linda Paxton

  • Solid
Color: Black Size: Samsung Galaxy S21 Ultra ONLY
This case is easy to install and does a great job protecting my phone.
Reviewed in the United States on May 29, 2025 by 4ZERO

  • Best purchase for your phone
Color: Black Size: Samsung Galaxy S21 Ultra ONLY
Working wonderful
Reviewed in the United States on June 5, 2025 by David Martin

  • Just what I expected. Been using Ottobox since 2012.
Color: Black Size: Samsung Galaxy S21 Ultra ONLY
My Galaxy phones since Galaxy IIs Okay
Reviewed in the United States on December 1, 2024 by Leon Fleming Jr

  • Fast shipping
Color: Black Size: Samsung Galaxy S21 Ultra ONLY
Perfect
Reviewed in the United States on June 4, 2025 by John S.

  • Fits perfectly!
Color: Black Size: Samsung Galaxy S21 Ultra ONLY
Perfect fit for my husband’s phone!
Reviewed in the United States on May 16, 2025 by Gail Potter

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