Last-Minute SavingsLimited quantities.Shop now

Skip to content
Gift Ideas
Main Content

Customer Ratings & Reviews

No content
  • Front. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 11. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 12. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 13. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 14. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 15. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 16. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 17. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 18. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 19. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 20. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 21. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 22. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 23. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 24. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 25. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 26. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 27. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 28. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Alt View 29. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green.
  • Unboxing - Samsung Galaxy S23 Ultra & Book3 Pro 360 video 2 minutes 04 seconds
  • Galaxy S23 Ultra Pen Green 3D Spin Video video 0 minutes 10 seconds
  • Galaxy S23 Ultra Green 3D Spin Video video 0 minutes 10 seconds
  • Galaxy S23 Series Premium Design Video video 0 minutes 27 seconds
  • Galaxy S23 Series Camera Feature Video video 0 minutes 32 seconds
  • Galaxy S23 Series Powerful Performance Video video 0 minutes 27 seconds
  • Galaxy S23 Ultra Gaming Video video 0 minutes 30 seconds
  • Galaxy S23 Ultra, Galaxy Buds2 Pro, and Galaxy Watch5 Video video 0 minutes 15 seconds

Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Green

Model:
SM-S918UZGFXAA
SKU:
6529722
Highly rated by customers for:
Your price for this item is $427.99
Clearance
The comparable value price is $1,379.99

Customer reviews

Rating 4.8 out of 5 stars with 957 reviews

Rating Filter

Rating by feature

  • Display Quality

    Rating 4.9 out of 5 stars

  • Camera

    Rating 4.9 out of 5 stars

  • Battery Life

    Rating 4.8 out of 5 stars

Pros mentioned filter

Cons mentioned filter

96%would recommend to a friend

Customers are saying

Customers are satisfied with the Galaxy S23 Ultra 512GB (Unlocked) for its excellent camera quality, long battery life, and powerful performance. They appreciate the built-in S Pen and stylish design. However, some customers are disappointed with the lack of a microSD card slot, the high price, and the heavy weight of the phone.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 38 Showing 741-760 of 958 reviews

  • Great phone

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great phone and awesome service.... I am learning new things everyday... Highly recommend

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • All-rounder

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    The features of Samsung are excellent, but it would have been even better if it supported super fast charging considering its price. This is the only area where Samsung falls behind OnePlus, as OnePlus offers it at a lower price point.

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • Engineer

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Best service and customer service and product quality.and availability i am happy for everything

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • It's a really cool cell phone!

    |
    |
    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I really love Samsung and it's the best cellphone for now in my opinion!

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • Galaxy

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Amazing device. Price is great for the item. Will definitely continue to purchase galacy devices.

    I would recommend this to a friend

  • Good purchase

    |
    |
    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Nice phone. Nice new camera features. Has all the features of a tradional galaxy plus more.

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • Mr.

    |
    |
    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great phone with plenty if features. The S-pen is awesome and functions nearly flawless.

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • Samsung 23

    |
    |
    Posted . Owned for 9 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I love it the Best Buy ever I will recommend it to everyone I know

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • Love samsung

    |
    |
    Posted . Owned for 9 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent device! I love Samsung brand and technology

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • Wonderful cell

    |
    |
    Posted . Owned for 10 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very good telephone!!! Amazing data and pictures!! You must have it!!!

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • S23 Ultra

    |
    |
    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Another absolutely amazing phone from Samsung. I cannot complain.

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • Great

    |
    |
    Posted . Owned for 3 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great phone! And easy, hassle-free pick up with Best Buy. Will definitely buy from here again!

    I would recommend this to a friend

  • Amazing phone

    |
    |
    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Awesome phone, big on hands and perfect for photo editing, stylus pen helps a lot

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • Unlocked phone

    |
    |
    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Went out of country and it worked wherever we were located.

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • Android All The Way!

    |
    |
    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Purchased phone but have not transferred service. Will do soon!!!

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • Family Tradition

    |
    |
    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I a always buy all ny family cell phones and accessories from Bestbuy

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • Great phone for samsung fans

    |
    |
    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This phone is everything i expected it to be. Great phone.

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • Perfection

    |
    |
    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Such an amazing phone. This phone is perfect in every way. I love the stylus.

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend

  • More bang for the buck than my iPad!

    |
    |
    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent tablet! As a working musician, I use it regularly to display digital sheet music.

    I would recommend this to a friend

  • Great product. Great buying experience

    |
    |
    Posted . Owned for 2 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent phone. The people at Best buy helped transfer data and were patient throughout the process.

    This review is from Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black

    I would recommend this to a friend
Page 38, Showing 741-760 of 958 reviews
Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2025 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.