Skip to contentGo to Product Search
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:
Loading...

Customer reviews

Rating 4.8 out of 5 stars with 959 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 39 Showing 761-780 of 959 reviews

  • The best

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

    Best device out their on the market. I don't have words to describe this devocd.

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

    I would recommend this to a friend

  • very good

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

    What an unbelievable phone. Fast, reliable and perfecr for daily basis.

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

    I would recommend this to a friend

  • E

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

    Very good phone i really do like more than 22 because I liked 23 more

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

    I would recommend this to a friend

  • I love bestbuy

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

    I buy phone BestBuy very nice customer service and very nice phone ………

    I would recommend this to a friend

  • Best

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

    I had s21 ultra 2 years i upgrade and know it's a big upgrade on the phone s23 ultra is beast

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

    I would recommend this to a friend

  • My Samsung

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

    My first samsung phone for many years I was an iPhone person, but find Samsung better

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

    I would recommend this to a friend

  • Nice

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

    Nice phone lots of new feature and finally new updates.

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

    I would recommend this to a friend

  • Awesome

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

    Dang i love this phone S23 ultra.everything good on it. Awesome phone

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

    I would recommend this to a friend

  • Great

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

    I am happy i have this. Knowing my product is protected.

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

    I would recommend this to a friend

  • Great phone

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

    THIS IS A GREAT SMARTPHONE AND BETTER THEN IPHONE RIGHT NOW

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

    I would recommend this to a friend

  • Sweet phone!

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

    I love my new phone! The camera is absolutely amazing, especially in night mode!

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

    I would recommend this to a friend

  • Smooth

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

    Love my Samsung Galaxy S23 Ultra. Super smooth and great quality picturess it takes.

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

    I would recommend this to a friend

  • Great phone!

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

    Great phone with every feature that you can imagine and then some!

    I would recommend this to a friend

  • S23 Ultra

    |
    |
    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Not a fan of curve screen, otherwise phone is great.

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

    No, I would not recommend this to a friend

  • The best phone

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

    I like my phone, it makes life easy for me. Best phone ever

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

    I would recommend this to a friend

  • My new samsung

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

    Love this phone . I had the note 20 so gettingthis phoen next was a no brainer !

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

    I would recommend this to a friend

  • Goood but.

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

    Ran smoothly for months but then had network connection issues. I thought it was a glitch but it's only been one year and its over heating & net work not connecting. Battery doesn’t last as long. It is a sturdy phone & I genuinely love it but connection issues & Battery issue is annoying.

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

    I would recommend this to a friend

  • Great phone

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

    Best phone camera and battery life for the year 2023

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

    I would recommend this to a friend

  • The best

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

    Love it. Customer service was awesome Bestbuy is the best place you can shopping

    I would recommend this to a friend

  • Samsung Galaxy

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

    Its a great phone i recommend it for everyone and the cameras are amazing

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

    I would recommend this to a friend
Page 39, Showing 761-780 of 959 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. © 2026 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.