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Customer Ratings & Reviews

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

Customer reviews

Rating 4.6 out of 5 stars with 986 reviews

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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 30 Showing 581-600 of 986 reviews
  • Rated 5 out of 5 stars

    Best Samsung phone so far

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

    Love this phone. It’s fast, beautiful screen, great battery life and just nice to look at lol. Phone takes great photos of you like to take pictures. It’s a great replacement for note if you don’t use the stylus.

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

    Truly inspirational and different m.

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

    My brother loved this Phone so much he learned more uses about the phone than I cared for. All in all, I’m very pleased with his satisfaction. Thank you, Samsung for making such an all around wonderfully designed product.

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

    S21 Ultra is the only phone you need!

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

    I'm glad I came back to Samsung. My last Samsung phone was a Note 5 and now with the advancements in technology and how smart phones have come, the S21 Ultra is perfect for my daily needs!

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

    One of the best phone on the market

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

    No complaints. Everything about this phone is great... I still can't wrap my mind in why people are sleeping on Samsung phone and entertaining other phone manufacturers.

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

    S21 ultra fantastic phone

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

    Very very great phone big screen great battery life overall better then the s21 I had previously great size love how you can use the best display option with 120hz an the fast charging is superb even with the big battery

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

    Best Buy is losing its quality

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

    I am grateful to have bought this phone but have been disappointed by the fact that I paid over $1,300.00 dollars altogether on this phone and it did not come with an adapter to charge my phone. Very disappointing indeed.

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

    Samsung ultra 21

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

    One of the better purchases that I made I used to buy a cheap cell phones keep them for 4 to 6 months or with this phone here I'll be happy for at least 2 years even longer

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

    S21 ultra

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

    Great Phone, Well Built. Had some issues with best buy when i bought the phone as their system was down. Went there 3 times but still couldn't get all three lines with my tmobile account.

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

    Quick and Fun

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

    Love it, only thing I dont like is the front camera. If you take alot of selfies stay with iphone becsuse you will look like a bobble head with this phone. Photos are unflattering but everything else is great.

    I would recommend this to a friend
  • Pros mentioned:
    Battery life

    Rated 3 out of 5 stars

    ok software, excellent hardware

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

    It is a nice phone, fast and good battery life. I do not like the os overlay Samsung uses, there are duplicate apps for a lot of things and that is very frustrating.

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

    Wow this is the best phone I have on today

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

    Wow this is the best phone have on today I also have the iPhone promax 13 this phone is so buttery smooth Samsung knocked it out of the park this time looking forward to the ultra 22

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

    S21 Ultra wins

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

    Tried to switch to the iPhone 12 but for the sale price of this phone that I got it for, and the smooth refresh rate on this phone, returned the iPhone the next day and went to this phone. Never looked back

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

    Great phone

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

    Great phone I can't complain especially the Phantom Navy just stands out, and the staff at best buy were professional and friendly Leonel and Rosa they even gave me free samsung socks.

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

    Christmas gift

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

    Daughter got it for Christmas and was so happy to get it with having 4 kids to shop for and didn’t expect to get something or at least something that was expensive!!

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

    S21 ultra

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

    Love this phone so much. Had a s21 but screen was too small for.me. Brought it back to best buy and ended up getting me an open box s21 ultra. Very happy! Best buy always comes through for me

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

    samsung galaxy s21 ultra

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

    What can I say other than WOW!!! I a week ago I love this phone, I really do. However, I'm going to start off this review with the only negative I've found so far, the lack of SD card support.

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

    S21 ultra

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

    I pretty much enjoyed the s21 ultra for it's easy use and great picture quality, battery life is great also it charges super fast .

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

    BV

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

    IMPRESSIVE! This phone delivers what I expected. The most up-to-date technology in a cell phone. Love it! And I thought giving up my Google Pixel would be tough. Not anymore.

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

    Great phone

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

    I must say this is one of the best store for a phone and selected assesories Giving you a 5 star was bcos there are no other stars available would have giving you more..

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

    Rated 3 out of 5 stars

    S21 Ultra

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

    Awesome phone. I'm in awe but can't believe for the price I paid for phone and it didn't even come with a charger. The camera is best I've seen yet.

    I would recommend this to a friend