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Samsung Galaxy A51 5G (AT&T Carrier Only)

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$79.00
Sold out

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

Color:Prism Cube Black
Condition:Best Value

Used Samsung Galaxy A51 5G (AT&T Carrier Only)

The Galaxy A51 5G (AT&T Carrier Only) boasts features that redefine the Android experience: exceptional performance, lasting battery life, and a vibrant, captivating Super AMOLED display. Thanks to its splash and dust resistance, you can dive into a world without limitations. Buy your used Galaxy A51 5G (AT&T Carrier Only) from Phone Daddy.

Please note: This Galaxy A51 5G is a carrier-locked phone and can only be used on the AT&T network.

Crisp and Clear Visuals

Dive into lifelike colors and intricate details with a 6.5-inch Super AMOLED display. Every video, game, or image pops in Full HD+ resolution. Navigate with ease and style on the One UI 5, Samsung's user-friendly interface built on Android 10. Get quick and secure access to your phone with the in-display fingerprint scanner.

Picture-Perfect Moments

Capture memories in stunning clarity with a 48MP primary camera. The quad-camera system ensures you're ready for any shot, whether a sweeping landscape or an up-close macro detail. Flaunt your best side with a high-resolution 32 MP front camera, ensuring every selfie is profile-picture-worthy.

Seamless Performance

Experience snappy apps and effortless multitasking with the powerful Exynos 980 chipset and up to 8GB RAM. Say goodbye to lags and hello to lightning-fast actions! Whether binge-watching, gaming, or just surfing, the 4500 mAh battery ensures your phone stays alive throughout the day.

More Room for Memories

Save more photos, videos, and apps with up to 128GB of internal storage and expandable memory options. Your favorite moments and essential apps are always at your fingertips.

Buy Used Galaxy A51 5G at Phone Daddy

Discover incredible deals on used Galaxy A51 5G (AT&T Carrier Only) handsets exclusively on Phone Daddy. Buy your Samsung Galaxy A51 5G compatible with AT&T at Phone Daddy today! All our used Samsung phones undergo thorough inspection and certification to guarantee flawless performance. Enjoy peace of mind with a 12-month warranty, a 30-day money-back guarantee, and free shipping included with every purchase.

Tech Specification
  • Body: 6.26 x 2.90 x 0.34 in
  • Weight: 6.60 oz
  • Display Size: 6.5 inches
  • Camera: Quad 48 MP; 12 MP; 5 MP; 5 MP
  • Operating System: Android 10, up to Android 13, One UI 5
  • Processor: Octa-core (2x2.2 GHz Cortex-A77 & 6x1.8 GHz Cortex A55)
  • Memory: 128GB 6GB RAM | 128GB 8GB RAM
  • Battery: Li-Po 4500mAh
  • Network: GSM / HSPA / 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+