samsung s21 used
unlocked galaxy s21
used Samsung Galaxy S21 5G
Samsung Galaxy S21 5G (Unlocked)


Samsung Galaxy S21 5G (Unlocked)

This phone is GSM unlocked and supported by the following MAJOR carriers:

Any MVNO/other cellular network (examples - Boost/Cricket/Mint/Metro Mobile) associated with the following carriers may be compatible as well. Please check with your Phone Service if the model is supported by the respective carrier.

Sale price$299.00 Regular price$499.00
Save $200.00

  • One year of accidental damage protection
  • Low $50 deductible
  • Repair or Replacement of your device by Warranty Life
  • Extended Protection Plans are available

Add Peace of Mind to Your Product Purchase. Learn More
Color:Phantom Gray
Only 1 unit left

Used Samsung Galaxy S21 5G (Unlocked)

The Galaxy S21 5G stands as a testament to innovation, enhancing the most vital elements of smartphone interaction. Experience boosted performance, a battery that endures, and a display that mesmerizes with vibrant visuals. Dive fearlessly into adventures with its impeccable dust and splash resistance. Secure your used Galaxy S21 5G at Phone Daddy.

Flawless Visuals

With the 6.2-inch Dynamic AMOLED 2X screen, every visual is rich, sharp, and mesmerizingly vibrant. The adaptive 120Hz refresh rate ensures every swipe, scroll, or tap feels silky smooth. HDR10+ support means watching movies and videos feels like a mini cinematic experience.

Masterclass in Photography

Three lenses (wide, ultra-wide, and telephoto) guarantee you're ready for any shot, from expansive landscapes to detailed close-ups. Film your life's moments in grandeur with 8K video recording. With Director's View, become the director of your story, recording from multiple angles.

Day-Long Dependability

With a 4,000mAh battery, the used Samsung Galaxy S21 5G lets you power through your day without searching for a charger. Whether you're giving or getting juice, the fast charging and reverse wireless charging features mean more flexibility and less downtime.

Sleek, Secure, and Smart Design

The new design seamlessly integrates the camera into the frame, ensuring you always turn heads. With IP68 dust/water resistance and Knox security, trust that your phone and data are protected from mishaps and prying eyes.

Buy Used Galaxy S21 5G at Phone Daddy

Explore unbeatable deals on unlocked Galaxy S21 5G at Phone Daddy. Choose from our aesthetic range in Phantom Gray, Phantom White, Phantom Violet, and Phantom Pink. Rest assured with our pre-owned Galaxy S21 devices, ensuring 100% functionality and backed with a 12-month warranty, 30-day money-back guarantee, and complimentary delivery only at Phone Daddy.

Tech Specification
  • Body: 5.97 x 2.80 x 0.31 in
  • Weight: 5.96 oz
  • Display Size: 6.2 inches
  • Camera: Triple 64 MP; 12 MP; 12 MP
  • Operating System: Android 11, up to Android 14, One UI 6
  • Processor: Qualcomm SM8350 Snapdragon 888 5G (5 nm)
  • Memory: 128GB 8GB RAM | 256GB 8GB RAM
  • Battery: Li-Ion 4000mAh
  • Network: GSM / CDMA / HSPA / EVDO / LTE / 5G
Grading Policy


  • Screen: Zero wear and tear or scratches
  • Body: Zero wear and tear
  • Excellent

  • Screen:Zero wear and tear or scratches
  • Body:Minimal wear and tear
  • Good

  • Screen:Noticeable wear and tear at a distance, barely noticeable when screen is powered on
  • Body:Noticeable wear and tear at a distance
  • Best Value

  • Best Value:Noticeable wear and tear, still noticeable when screen is powered on
  • Body:Visible and distinct wear and tear around the body
See our Grading policy
Warranty & Perks
  • 1-Year Warranty - If your item has a technical defect within the first year (after date of purchase), we'll send you a replacement or refund.
  • Free Economy Shipping - Enjoy free shipping on all orders above $100 or select our express 2 day shipping if you need your items ASAP. 
  • Customer Support - Our customer service representatives will reply to you within one business day if you have any questions or issues and are available via chat/email/phone.
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Returns & Shipping

Our goal is for you to be absolutely satisfied with your product. If there's any reason you need to return it, we will accept any reason for return to undamaged devices within 30 days of delivery. Phone Daddy does not cover any physical, water, or accidental damage unless the device has our Extended Coverage+ Plan.

  • Return Process - To start your return, please begin the process at
  • Technical Support - If your device is having any issues, please reach out to us at for help resolving any problems you may be experiencing before beginning a return. 
  • Shipping - We offer shipping via UPS, and USPS if P.O. Box Shipping Address. Orders take 1 Business day to process. Please place your order by 1 p.m. CST on business days in order for us to process it and ship it on the same day. Orders that are placed after 1 p.m. will get processed and shipped the next business day.
Payment Plans

What is Afterpay?

Afterpay is a buy now, pay later lender that divides your total purchase amount into four payments.

What is Shop Pay?

Shop Pay offers you the option to pay in full at checkout, or to split your purchase into regular payments with Shop Pay Installments.

Learn More


How to Qualify? 2 Day Free Shipping on Retail orders over $99+