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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 18 Showing 341-360 of 986 reviews
  • Cons mentioned:
    Storage

    Rated 5 out of 5 stars

    1 Flaw

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

    Probably the best color option for this device the only issue is that it's capped at 128gb with no ability for Micro SD card for extra storage.

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

    Rated 5 out of 5 stars

    Worth the price

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

    Wish the s pen was inside but overall it’s a solid device and the camera really is amazing, the screen is just as spectacular! Feels nice to walk around with the latest and greatest!!

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

    Rated 5 out of 5 stars

    Favorite phone so far

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

    I love this phone. As a previous Note 8 owner I thought I would only ever use Notes. This phone charged my mind. The cameras are phenomenal. Service is good. I'm pleased

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

    Ultra Gimmick, avoid

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

    Just a big body smartphone, with a few gimmicks, while not having port for miniSD card. The price is wrong. As soon as I paid full price for this, I found ads for $546.00 with old phone trade-in. Also, Verizon offered a special of TWO Samsung S21 Ultras for price of ONE. I tried to return this Ultra, but store manager said I went beyond a time limit. I will sell it on my own, before it devalues too much more. Not too big for my hands, but won't fit most pockets.

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

    Rated 5 out of 5 stars

    Best battry

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

    Best phone i ever had, only reason i bought the phone is becuase of the battry not like my old note 20 ultra died so fast.

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

    Solid Device.

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

    I could not stand my iPhone. I was sold on the pixel 6, but the pixel has not released yet. I decided to purchase the S21 Ultra to hold me over. I do not regret my purchase. I have more control over my device and I am not forced to use apple products or services. You can customize your phone which is a plus.

    I would recommend this to a friend
  • Cons mentioned:
    Size

    Rated 5 out of 5 stars

    Large Phone

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

    The phone is great. However, I came to the conclusion that phone got too big in recent years. I would love to have an option to get a smaller phone from Samsung.

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

    Samsung 21 ultra

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

    I really like this phone, it's fast, smooth and an excellent camera. Very responsive to my touch. My dislike is how responsive it is to my touch, lol the screen is soo large that its hard to hold the phone and nagivate without touching another part of the screen you dont intend to. I have accidentally closed things several times because there is no free space to touch the screen while you search for what you're looking for. Secondly the fingerprint built on the screen is mostly accurate but you have to hold the phone very flat and place your finger exactly the way you scanned your finger the first time.

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

    Rated 5 out of 5 stars

    Lovely Camera

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

    The best quality of pictures. I fell in love with the phone, sadly I returned it because I didn’t know much of Samsungs functions.

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

    Rated 5 out of 5 stars

    Great phone

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    Posted . Owned for 4 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I got it as a gift for girlfriend. She said its one of the best phones she's ever had. Camera is great for taking pictures and all around great phone for any kind of use.

    I would recommend this to a friend
  • Cons mentioned:
    Weight

    Rated 5 out of 5 stars

    Superb smartphone

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

    Excellent phone. It has all the bells and whistles you would expect on a high end smartphone. The screen is wonderful. The only thing I don't like that much is the high weight.

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

    Rated 5 out of 5 stars

    First Samsung Galaxy and enjoying the phone

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

    Coming from a Pixel 2XL Pros: -Amazing screen -Fast processor -Long lasting battery Cons: -Takes a little to get use to OneUI -Very large phone and make take time to get use to

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

    Rated 5 out of 5 stars

    Amazing phone

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

    So far i love this phone. The camera and picture quality is amazing. They alo fixed the biggest isue which was the ability to keep a quality sceen protecror on

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

    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 love my new phone. It takes great pictures and has features that I did not know I was missing! It was so worth the "new phone" hate that you get when you change phones!

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

    Rated 5 out of 5 stars

    I love it

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

    Love it, great picture, great camera, and great everything! It is really nice and has easy accesibility features allowing you to customize the device to your liking.

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

    Rated 5 out of 5 stars

    Great Phone

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

    I absolutely love my new phone!! The camera is so awesome. Took a pic of the moon the other night and it was so close and clear, it seemed like I wasnt too far from it.

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

    Rated 5 out of 5 stars

    Nice Samsung

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

    This Samsung is the best I've ever seen!! your camera goes too far!!! and it is very easy to use!!! got a quick response!!!

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

    Rated 5 out of 5 stars

    Best Camera phone

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

    The best phone I have ever owned! It is light weight and easy to use. I love the camera. Pictures come out as though I took them using a top of the line camera!

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

    Rated 5 out of 5 stars

    ULTRA PHONE _ THE BEST

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

    This phone has the best camera ever!! If you like taking pictures with your phone this is highly recommended. I am still learning so I might be writing a new review later on.

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

    Rated 5 out of 5 stars

    Cannot go wrong with a Galaxy

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

    By far the best phone released at the moment. Super quick. Excellent camera. Even with high usage the battery still has plenty left at the end of the day.

    I would recommend this to a friend