48-Hour Flash SaleEnds Tuesday. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product SearchGo to Footer
Main Content

Customer Ratings & Reviews

No content
  • Front. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 11. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 12. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 13. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 14. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 15. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 16. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 17. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 18. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 19. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 20. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 21. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 22. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 23. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 24. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 25. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 26. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 27. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 28. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Alt View 29. Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black.
  • Unboxing - Samsung Galaxy S23 Ultra & Book3 Pro 360 video 2 minutes 04 seconds
  • Unboxing - Samsung Galaxy S23 Ultra & Book3 Pro 360 video 2 minutes 00 seconds
  • Galaxy S23 Ultra Pen Phantom Black 3D Spin Video video 0 minutes 10 seconds
  • Galaxy S23 Ultra Phantom Black 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

Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Phantom Black

Model:
SM-S918UZKAXAA
SKU:
6529723
Highly rated by customers for:
Your price for this item is $304.99
Clearance
The comparable value price is $1,199.99

Customer reviews

Rating 4.8 out of 5 stars with 2642 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

97%would recommend to a friend

Customers are saying

Customers praise the Galaxy S23 Ultra 256GB (Unlocked) for its outstanding camera quality, overall performance, and battery life. Many appreciate the fast processor, screen size, and the inclusion of a stylus. Some customers mention concerns about the phone's weight, RAM, and connectivity issues.

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 104 Showing 2,061-2,080 of 2,642 reviews

  • Bomb sales crew

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

    Exceptional product. Exceptional service. I hate shopping, planned on only buying phone but ended up getting a whole lot more. Because of the trust instilled by my salesman. His peoduct knowkedge and ease of experience has made me a Best Buy lifer.

    This review is from Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Green

    I would recommend this to a friend
  • Pros mentioned:
    Camera quality

    Good

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

    Amazing phone, no issues and has an amazing camera

    This review is from Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Lavender

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Samsung s23 ultra

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

    everything about this phone is absolutely beautiful

    This review is from Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Green

    I would recommend this to a friend

  • Fantastic Phone

    |
    |
    Posted . Owned for 11 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent phone. The only reason I had to buy it was because Samsung stopped supporting the Note 10 Plus.

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Great phone

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

    Excellent device and im typically an iphone user!!

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    amazing

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

    little use but real good love it i enjoyed the phone but the geek squad protection is horrible and did nothing to help i paid for no reason

    I would recommend this to a friend

  • My samsung galaxy s23 ultra

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

    It was a wonderful experience buyung my new samsung galaxy note s23 phone at this showroom. The staff assisted me well with Ll my questions. They were patient enough while i was confused on what to finalize on. Thank you again

    I would recommend this to a friend

  • Happy to shop with best buy

    |
    |
    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I would strongly recommend best buy for any of electric purchases! Thanks best buy for amazing customer service ! :)

    This review is from Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Green

    I would recommend this to a friend

  • Samsung Galaxy S23 Ultra

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

    Amazing cell phone with great capabilities. It's great for studying, work, and even gaming. Highly recommend.

    I would recommend this to a friend

  • The Best of the Best

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

    An excellent reintroduction to android after being away for almost a decade. At first I was a bit in intimidated going back to Android since being on iOS, but samsung smart switch and the overall UI experience has been a great experience and has reinvigorated my love for smartphones

    This review is from Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Green

    I would recommend this to a friend

  • Bust buy is best option to get device immediately

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

    I went to store and the executive introduced me to Samsung ultra note 23 features and more. i was so happy and purchased immediately. I was looking for immediately phone and i was able to buy same time. Bust buy also recommended me with payment options.

    I would recommend this to a friend
  • Pros mentioned:
    Camera quality

    Review

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

    Switched from an Iphone to the Samsung Galaxy S23 Ultra. Great quality. The screen is such a nice touch.

    I would recommend this to a friend

  • Pleased customer

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

    This has been a good purchase. Very good quality. 5 stars.

    I would recommend this to a friend
  • Pros mentioned:
    Camera quality

    Buy it

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

    Excellent speed and processor, But overall excellent CAMERA!!

    I would recommend this to a friend

  • SAMSUNG 23 ULTRA

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

    It was really enjoyable to meet up with such a true professional EDWIN PALACIOS who enjoyed helping us as a customer and knew all his products very well. We would highly recomment him to others as well!! We will be shopping there again Monday.

    I would recommend this to a friend

  • S23

    |
    |
    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It's 2025 my phone just broke that's how good it is upgraded to s25 ultra

    This review is from Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Lavender

    I would recommend this to a friend

  • excellent product

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

    execellent product and i suggest everyone to buy in best buy as they give good deals in electronics

    I would recommend this to a friend

  • Samsung galaxy s23 ultra

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

    I loved the service from the employees as much as the product. I had previously bought the same phone, so I went back again for another one, this time as a gift for my brother's birthday. He is as satisfied as I am.

    This review is from Samsung - Galaxy S23 Ultra 256GB (Unlocked) - Green

    I would recommend this to a friend

  • Best phone ever!!

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

    It’s an amazing phone. I love all the features especially the zooming I’m a big fan of Samsung and if I could buy this phone again, I would. I would definitely recommend this phone for anybody. That’s interested That’s looking for a good product.

    I would recommend this to a friend

  • Mrs

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

    I like my new phone. Geek squard servicevis goid, butbthe wait it too long without an appointment

    I would recommend this to a friend
Page 104, Showing 2,061-2,080 of 2,642 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.