Last-Minute SavingsLimited quantities.Shop now

Skip to content
Gift Ideas
Main Content

Customer Ratings & Reviews

Your price for this item is $239.99
Clearance
The comparable value price is $1,199.99

Customer reviews

Rating 4.6 out of 5 stars with 986 reviews

Rating Filter

Rating by feature

  • Display Quality

    Rating 4.8 out of 5 stars

  • Camera

    Rating 4.8 out of 5 stars

  • Battery Life

    Rating 4.7 out of 5 stars

Pros mentioned filter

Cons mentioned filter

91%would recommend to a friend

Customers are saying

Customers are satisfied with the Galaxy S21 Ultra 5G 128GB (Unlocked) smartphone, particularly praising its camera quality, long battery life, and reasonable price point. The phone's design and performance are also well-received, with users appreciating its sleek look, powerful performance, and user-friendly interface.

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 47 Showing 921-940 of 986 reviews
  • Rated 2 out of 5 stars

    This phone sucks!

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

    I am disappointed. This phone gets hot, it disconnects from the server, messages , especially pics, take forever to send, I am just not impresses and I wish I could return it. The phone sucks!

    No, I would not recommend this to a friend
    • Brand response from Samsung
      Posted .

      Hello, KayJ. We are really sorry about any performance issues you may be experiencing with your device, and would love to look into this further with you. You can reach us on Facebook at (http://m.me/samsungsupport) or Twitter at (https://twitter.com/messages/compose?recipient_id=18768513). We look forward to speaking with you. ^Kayla Samsung

  • Pros mentioned:
    Camera

    Rated 2 out of 5 stars

    Great phone

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

    This phone amazing it's the best phone i ever had the camera is 100

    I would recommend this to a friend
  • Rated 3 out of 5 stars

    Bad phone

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

    Did not last long battery is over heating and is not a good phone for life accident

    No, I would not recommend this to a friend
  • Rated 3 out of 5 stars

    Screen got scratched by Keith less than a week

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

    A bit disappointed because the screen cat scratch very easily with my keys in less than a week

    No, I would not recommend this to a friend
  • Rated 3 out of 5 stars

    15 GB

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

    I am wondering it says that the phone has 128 gb but in my phone it says it has only 15GB

    I would recommend this to a friend
  • Rated 3 out of 5 stars

    Good phone

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

    Clean and lovely phone . Works perfectly without any problem .

    I would recommend this to a friend
  • Rated 3 out of 5 stars

    Good Phone

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

    very satisfied with the product. bought this as a birthday gift

    I would recommend this to a friend
  • Rated 1 out of 5 stars

    Honestly a very dull experience.

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

    I wanted to start off with my first experience switching to Samsung. It wasn't very exciting. Most phones I've bought always came with some accessories. This only had the phone. No charger, no case, no earbuds. It is my fault for assuming and I should of done my research. I just thought that a company this good would of cared more for new customers. Instead I ended up going the extra mile to buy all those accessories and the total basically felt like there wasn't a discount. The phone is very nice, it has a good refresh rate and amazing camera. The screen size is decent. Processor is really fast and has a lot of RAM. Downside is no SD slot and can get scratched easily with cases. To sum it up, amazing phone but horrible experience. I wouldn't recommend because it's just a expensive box in a box.

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    Functional issues

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

    I got the phone for my mom while setting it up it just kept turning off. Even after setting it up it would just freeze and turn off. I decided to just return it because we literally picked it up from the store that day .I’m not sure if they all have this issue but the one we got definitely had an issue. Hopefully the one I ordered online doesn’t have this issue when it comes.

    No, I would not recommend this to a friend
  • Rated 2 out of 5 stars

    A faulty device from factory

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

    Best buy did a good job on the suggesting but the device was faulty from factory it seems. I enjoyed for the time i owned. The device was often restarting and I learnt its a new feature added by samung to learn the usage to provide best user experience to user. I feel it’s not a feature which user need.

    No, I would not recommend this to a friend
  • Rated 3 out of 5 stars

    Seems ok

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

    Good so far only had a week. I will uodate the review in a year.

    I would recommend this to a friend
  • Rated 1 out of 5 stars

    Robots could assist better than geek squad reps.

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

    S21 ultra decent phone, but becareful buying pre owned devices from Best Buy. They do not have in store Warranty's, they sold me a phone with tiny amount of black in the top right corner of the phone barley noticeable to the eye. The fact that the half black dot is there and ive owned the phone not even a full month. Geek squad can't do anything about it. CSR's can't do anything about it. Samsung can't do anything about it. (Phone was registered to another owner previously to me) So I can't register it, best buy store representatives at Sarasota 34231 store don't care and don't want to help had me wait 35 minutes to send me out the door 3 minutes after I was greeted to be helped.

    No, I would not recommend this to a friend
  • Pros mentioned:
    Camera

    Rated 1 out of 5 stars

    Don't like it at all.

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

    I dislike this phone so much. I literally was forced into this phone since it was the only one in stock the day I needed it. Well it takes great pictures though but I prefer the note.

    I would recommend this to a friend
    • Brand response from Samsung
      Posted .

      Hello there. Thank you very much for sharing your experience. Your honest feedback helps us grow. ^Kayla Samsung

  • Rated 2 out of 5 stars

    all most fair

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

    i bought this open-excellent but doesn't came with the original parts/accessories, the sim card pin its missing but the phone look like they said brand new and cleaned

    I would recommend this to a friend
  • Rated 2 out of 5 stars

    Samsung fails

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

    After 7 months phone has become sluggish and continually freezing and not holding a charge.

    No, I would not recommend this to a friend
    • Brand response from Samsung
      Posted .

      Hi Rey1234!

      Thank you for bringing this to our attention. I see you have some concerns with your Galaxy S21 Ultra as it freezes, is slow, and not charging. We sincerely apologize for what inconvenience this has caused you. Let me help. Sharing with you this link on how to keep your Galaxy phone from slowing down:

      https://www.samsung.com/us/support/answer/ANS00078985/

      Here is a quick troubleshooting link on determining why your phone is no longer charging.
      https://www.samsung.com/us/support/troubleshooting/TSG01001573/

      For additional assistance, I include the contact information for our Social Support team for immediate support.

      1. Facebook Messenger: http://m.me/samsungsupport
      2. Twitter: https://twitter.com/messages/compose?recipient_id=18768513
      3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us

      Reference No.: 1144228170

      Thank you for choosing Samsung!

      -Remie Samsung

  • Rated 2 out of 5 stars

    What a bummer

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

    This phone has dropped and broke screen twice and if it breaks the back of the phone then ot cost about 600 to fix because they cant fix the front of the back cracked

    No, I would not recommend this to a friend
  • Rated 2 out of 5 stars

    No than good

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

    It’s a good phone but doest work for me because the divice has a compatibility problem with YouTube premium

    No, I would not recommend this to a friend
  • Rated 1 out of 5 stars

    S21 Utra cell phone

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

    Horrible service bought a open box S21Ultra came on time but nothing else a phone no direction not even a plug bought best buy protection spoke to 7 different people no one knew what too do thenlast guy devon just left me on hold 22 minutes till i hung discussed returning phone to store never buy again on line Wow I save 18% on the phone but i would have rather paid full price for zero aggravation

    No, I would not recommend this to a friend
  • Rated 2 out of 5 stars

    No SD, No Good!

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

    Retuned this producr before i even activated it. When i found out it had No SD slot i took it back to the store.

    No, I would not recommend this to a friend
  • Cons mentioned:
    Overheating

    Rated 1 out of 5 stars

    Over heating problems

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

    The phone was over heating and I returned it in a 10 days.

    I would recommend this to a friend