Memorial Day SaleEnds 5/25. Limited quantities. No rainchecks.Shop now

Skip to contentGo to Product Search
Main Content

Customer Ratings & Reviews

No content
  • Front. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 11. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 12. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 13. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 14. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 15. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 16. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 17. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 18. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 19. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 20. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 21. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 22. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 23. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 24. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 25. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 26. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 27. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 28. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Alt View 29. Samsung - Galaxy S23 Ultra 512GB (Unlocked) - Phantom Black.
  • Unboxing - Samsung Galaxy S23 Ultra & Book3 Pro 360 video 2 minutes 04 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 512GB (Unlocked) - Phantom Black

Model:
SM-S918UZKFXAA
SKU:
10982999
$999.00

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

96%
would recommend
to a friend
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 31 Showing 601-620 of 959 reviews

  • Samsung S23 Ultra

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

    Had for a few months, still working great. Battery is good.

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

    I would recommend this to a friend

  • Samsung 1T unlocked

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

    Im glad i got the 1T unlocked before they stopped selling them. It has been a great phone so far and i have lots of space. It runs great and pen is definitely a plus fpr writting notes

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

    I would recommend this to a friend

  • A+++ Great phone. :)

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

    I enjoy using this phone. I haven't had any problems with it at all. Clear calls great with videos, photos, and music.

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

    I would recommend this to a friend

  • Phenomenal phone

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

    Absolute Technological display. Few years later and still the best phone.

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

    I would recommend this to a friend

  • More POWER!

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

    This has everything that was great about my old Note, and everything I love about all my Samsung's! Don't buy phones with fruit on them, get this!!!

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

    I would recommend this to a friend

  • Get a warranty

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

    Great phone but expensive if anything breaks like the sceen .

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

    I would recommend this to a friend

  • Great Worthy Purchase

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

    "Samsung Ultra 23: Powerful, sleek, and worth every penny!"

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

    I would recommend this to a friend

  • Samsung Galaxy s23 plus

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

    I love Samsung! I recommended to my friends because never fails

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

    I would recommend this to a friend

  • Good

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

    Switched from IPhone 12 pro max to S23 Ultra, always knew how nice an android is but this phone excedded my expectations

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

    I would recommend this to a friend

  • Best phone ever

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

    Great phone. The zoom quality. Everything is great about this phone.

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

    I would recommend this to a friend

  • Phone Upgrade

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

    Ive had the same phone for about 5 years and i finally upgrade! So many great features and a smooth purchasing process!

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

    I would recommend this to a friend

  • Heavy but awesome

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

    I had the galaxy s20 fe before this and really wanted an upgrade. I love this phone. Glad i took the plunge and bought it. Inly downside is it is a bit on the heavy side.

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

    I would recommend this to a friend

  • Amazing phone

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

    Good product, amazing phone. Consistent and reliable.

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

    I would recommend this to a friend

  • Excellent Upgrade

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

    Upgraded to this phone after my S21 Ultra died. Enjoying it. Its been a while since i had a "Note". I missed it. I work on my phone constantly. Hasnt let me down.

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

    I would recommend this to a friend

  • Much more of an upgrade than expected...

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

    Huge improvement over my old S21 Ultra in terms of battery life and performance. First time I've felt happy with the battery endurance. Camera improvements are nice too.

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

    I would recommend this to a friend

  • Samsung

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

    Great phone, but this is my 3rd phone in 2 years. My phone continue to be defective.

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

    I would recommend this to a friend

  • It's good, but not worth the price

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

    This phone is slightly overpriced, but with the payment plans it makes it easier to afford. The camera has issues focusing at times.

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

    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.

    The phone came as advertised!! It was such a great open-box deal!! I would recommend it to anyone!!

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

    I would recommend this to a friend

  • Best ever

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

    Best phone i have ever used and i have had just about every flagship. It is perfect for work and play! Use of dex is one of my favorite things about this phone

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

    I would recommend this to a friend

  • Perfect

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

    Meeting all my expectations. My over all experience with this product, blows my mind. Definitely the the best purchase I have made

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

    I would recommend this to a friend
Page 31, Showing 601-620 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.