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Customer Ratings & Reviews

Your price for this item is $799.99
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The comparable value price is $999.99

Customer reviews

Rating 4.6 out of 5 stars with 413 reviews

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Rating by feature

  • Display Quality

    Rating 4.8 out of 5 stars

  • Camera

    Rating 4.7 out of 5 stars

  • Battery Life

    Rating 4.5 out of 5 stars

Pros mentioned filter

Cons mentioned filter

91%would recommend to a friend

Customers are saying

Customers regard the Galaxy S21+ 5G 128GB (Unlocked) as a reliable phone with an excellent camera that takes great pictures and videos. They appreciate its long battery life, fast performance, and stylish design. However, some customers find the price to be a bit high, and a few have mentioned that it lacks a microSD card slot and can overheat.

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 1 Showing 1-20 of 413 reviews
  • Pros mentioned:
    Camera, Color

    Rated 5 out of 5 stars

    Perfect phone

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

    I love the color of the phone. The size is perfect for my hand and camera is working perfectly that I don't need my dslr camera.

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

    Rated 5 out of 5 stars

    Gorgeous display

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

    My wife loved especially the color, nice quality cameras gorgeous display premium build overall excellent

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

    Rated 5 out of 5 stars

    Easy!

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

    It's been awesome using my Samsung s21 plus. Cameras are amazing, fearures are wonderful, storage a plus, great speed and connection friendly.

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

    Rated 5 out of 5 stars

    Samsung has done it again.

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

    Samsung has gone and done it again. I initially got the s21, but decided I wanted a bigger screen and battery, so I went and got the s21+, and I'm not disappointed one bit. I have some pretty large hands, so it's comfortable for me to hold with one or both hands. It comes with the features I do enjoy, minus SD card expansion, but that's OK, I have Verizon cloud storage, and the lavender color is just so pretty. I almost went with my go to color which is black, but I fell in love with the lavender and I'm happy I went with this choice. The battery does last me a majority of the day, and the camera... let's just say it blows my teenager's iPhone 12 camera out of the water. And I got it on sale... how have you not gotten it yet? Go.. get one!

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

    Rated 5 out of 5 stars

    Spectacular upgrade from my previous phone

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

    Initially was reluctant to get the S21 plus due to no micro SD and charging block. But with the $200 off and open box discount the phone was only $687. That's too good of a deal to pass up. The phone has been nothing but amazing. Smooth scrolling with 120 hz, excellent camera, 5G, very fast and responsive. Plus the battery lasts an entire day with constant use. Also, there are so many little added features, like removing images from pictures, to name. So happy I got this phone would highly recommend. And even with continuous use there has been NO overheating issues like some stated.

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

    Rated 5 out of 5 stars

    Good investment

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

    Great phone love it. The camera is great and the battery last for ever

    I would recommend this to a friend
  • Cons mentioned:
    No sd card slot

    Rated 3 out of 5 stars

    Good Phone But Lacking Usual Accessories

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

    As much as I live the performance and easy upgrade setup, I am disappointed in the lack of features and accessories included with this latest version of the Galaxy S series. First, I had not realized that Samsung did away with the SD card option. Had I realized this I would have gone for the S20. My other disappointment is the lack of included accessories. This phone is for my wife since I just bought the S20 last year. My phone came with a headset, charging block and USB wire. The S21 only included a short USB-C wire. It seems to me that either Samsung is getting cheap or they're trying to emulate Apple's cost-cutting measures. In either case, I wish they would stop following Apple. If I liked Apple products I would have bought an iPhone instead of a Galaxy. If they continue in this manner, my next phone may be a Google or LG.

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

    Rated 5 out of 5 stars

    Amazing performance, beautiful design.

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

    This phone has been pretty great so far. Beautiful screen with a fast refresh rate, excellent build quality and design, top notch specs. I love that is has a completely flat display without the curves on many other Galaxy phones. The display is beautiful even though its not UHD like the S21 Ultra. Build quality is great with Gorilla Glass Victus on the front and back. The matte black look and feel are so clean. Performance is super fast with the Snapdragon 888. Never had issues with the RAM. Many apps will stay open before closing themselves. Battery life is good. I get to about 30% after a day of heavy use. Phone does get a little warm when doing intensive tasks like gaming or streaming. The camera is awesome. All lenses produce beautiful photos. I think the only real upgrade the S21 Ultra has over this is the increased optical zoom. That would be nice to have. Software updates have been quick and often. Already received two since purchasing. Using ATT 5G signal has been really good. Better than with my iPhone 12 Pro Max. Overall very happy with the phone!

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

    Rated 5 out of 5 stars

    S21plus

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

    Upgraded from the S10 plus. The 120HZ display caught me off guard. I noticed how smooth the animations were. Battery life is perfect especially in my line of work. I wake up Monday- Friday 5AM and finish my day of work by 5-8 PM and when I get home I still have 45-38% of Battery. Only gripe I have is that Samsung has removed the expandable storage. Other then that I'm happy with the upgrade from S10plus.

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

    Rated 5 out of 5 stars

    Amazing phone

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

    About what you'd expect from a flagship phone from Samsung. Super fast performance, high refresh rate display, excellent camera set up, and an all day battery with super fast charging support.

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

    Rated 5 out of 5 stars

    Galaxy S21+

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

    This phone has been an amazing upgrade! The camera functionality is awesome and the quality is perfect! Ease of use has always been our reason for using Samsung and Android

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

    Rated 5 out of 5 stars

    Phone

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

    Very great phone series for my mother who loves purple. Phone functions very well

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

    Rated 5 out of 5 stars

    Galaxy S21.Plus pplus5G

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

    I really, really love this S21 Galaxy cell phone. It has 4 cameras. It is a very grateful. The camera are phenomenal and amazing.

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

    Rated 5 out of 5 stars

    Samsung

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

    Great phone love this phone makes my life simple. I love the photos and how easy it is to navigate I am happy with this phone.

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

    Rated 5 out of 5 stars

    So happy!

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

    Love this phone! It is a Samsung Galaxy S21+. It is a little bigger than the S21- a little smaller than S21 ultra. Perfect size for me. Best Buy was only carrier that had the silver one that I wanted. It is very pretty- and the silver looks so nice with my phone case. Display quality and camera pictures are crystal clear, Battery life is amazing. Geek Squad ( in Best Buy store ) was able to transfer all the data from an S3 to S21+. I was told by others that it couldn't be done. I was elated. Great customer service. I am very happy with my entire experience at Best Buy!

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

    Rated 5 out of 5 stars

    Perfect phone

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

    Bought this for my mom and she loves it. The quality of the camera was what she was looking for and Samsung does not disappoint!

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

    Rated 5 out of 5 stars

    Best Phone I've had so far

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

    Switched from an iPhone and I'm incredibly happy with this phone. Has all the bells and whistles of an iPhone but cheaper and much more friendly in customizing it to your liking. Everything runs smoothly on a beautiful display and the battery recharges fast (1 hour is all you need to get a full charge) and lasts all day. Had no issue with overheating as others have mentioned even with running high demanding games such as CoD. The only issue I've been having is the fingerprint sensor that seems to be wonky at times, but it doesn't have much of an impact and it still a 5-star rating in my book.

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

    Rated 5 out of 5 stars

    Nice

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

    Great phone to put in pocket its screen is bright not heavy works fast

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

    Rated 5 out of 5 stars

    LOVE THIS PHONE!!

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

    I am a super fan of Samsung, I went from the S4 to Note 4 to S7 Edge to S10e to S21+ and the s21+ is by far the best phone ever. I love that it doesn't have curved edges and the screen size is big! I've also dropped it a couple of times and no scratches or cracked screens! Not to mention the camera quality is AMAZING! The battery life is pretty good too, I can go a full day at work and it lasts.

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

    Rated 5 out of 5 stars

    Love the Color Purple

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

    I mainly got this phone because they had it in my favorite color purple, then when I finally started playing around with it I fell in love even more. The camera quality is OUT OF THIS WORLD. So clear, even better than iPhone camera quality. You must purchase! I've had it for a few weeks now and so far no complaints.

    I would recommend this to a friend
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