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According to our mobile phone expert
Thanks to the unique camera setup, the Samsung Galaxy S21 Ultra 128GB Black 5G is the top device from the Galaxy S21 series. With the dual telephoto lens, you can zoom in up to 10 times without your photos becoming less sharp. With the 108-megapixel standard camera, you can take razor-sharp photos both during the day and at night. You can store all those photos and 8K videos as well as all your apps on the 128GB storage. The large 6.8-inch Quad HD screen is more difficult to operate with one hand. This screen isn't only sharp, but also smart. The S21 Ultra automatically adjusts the refresh rate from 120 times per second when you're gaming to 10 times per second to save battery. In addition, the device can be operated with precising when you use the S Pen stylus, which you can purchase separately or in the Samsung Ultra Clear View Book Case with S Pen bundle. Thanks to the Exynos 2100 processor and 12GB RAM, the S21 Ultra is one of the most powerful smartphones of the moment. The large 5000mAh battery can easily last a day.
Note: Samsung doesn't include a charger. Purchase a separate Samsung 25-watt charger to charge your smartphone at lightning speed.
Size mobile phone | Very large | |
Camera quality | Excellent | |
Speed class | Excellent | |
Screen quality | Excellent | |
Total storage capacity | 128 GB | |
Year introduced | 2021 | |
Screen size | 6,8 inches | |
Wireless charging |
5 stars
101
4 stars
14
3 stars
4
2 stars
0
1 star
0
10 () | |
9,4 () | |
9,7 () | |
10 () | |
8,0 () |
Jesper. Smartphone specialist
2 February 2021
Automatic translation off Dutch
S vd Berg
10 April 2021
Automatic translation off Dutch
Robert Rosian
30 April 2021
Automatic translation off Dutch
Francine
29 May 2021
Automatic translation off Dutch
Dominique Dhaene
4 February 2021
Automatic translation off Dutch
Sander Steegstra
7 February 2021
Automatic translation off Dutch
Tinne
16 March 2021
Automatic translation off Dutch
Patrick
9 July 2021
Automatic translation off Dutch
Theo Gerdes
4 February 2021
Automatic translation off Dutch
Sander
16 March 2021
Automatic translation off Dutch
The Samsung S21 Ultra is lightning fast and takes very nice photos and videos. The device is quite large and heavy, so I don't always use the smartphone easily. Nice design, but very big The design immediately catches the eye. Samsung allows the camera island to merge into the side of the device. As a result, it is not so noticeable that there is a considerable block on the back of the smartphone. Because of the cameras, the device wobbles when I lay it on its back on the table. Fortunately, I no longer have this problem with a case. The back of the S21 Ultra has a matte finish, giving the device a sleek look. However, the smartphone is very large and heavy. It barely fits in my pocket and it's difficult for me to operate the S21 Ultra with one hand. Impressive cameras The cameras perform very well both during the day and in low light. I take really sharp photos with this smartphone. Especially the double telephoto lens really adds something to me. I zoom in 10 times without my photo or video becoming less sharp. So now I, for example, portray a bird without getting close. Handy, because now he doesn't fly away from the fright. Videos are also razor sharp. With the new Director's View mode, I can switch between the standard, wide-angle and telephoto lens while filming. At the same time, I also record with the selfie camera. So I don't have to edit as much afterwards. Razor-sharp screen The S21 Ultra is equipped with a quad hd screen. By default, the resolution is set to Full HD. After I set this to quad hd I saw all the details of my movies, series and games. Thanks to the high refresh rate, movements in games look very smooth. Lightning fast So far I have not seen the Samsung S21 Ultra falter once. I switch quickly and smoothly between different apps. This powerhouse also has no problems with heavier apps and games. I play 3D games like PUBG and edit photos in a heavy app like Photoshop without giving the device a hard time. No charger included, good battery life Striking: for the first time, Samsung does not supply a charger with a smartphone. I didn't have a Power Delivery charger at home with a USB-C connection, so I had to buy it separately to charge quickly. With the 25W Power Delivery charger from Samsung, I fully charge the S21 Ultra in about an hour. If I use the smartphone for a day on average, it easily lasts a day. So I scroll through my social media, whatsapp with friends and watch a movie now and then without worrying about the battery.
Jesper. Smartphone specialist
2 February 2021
Automatic translation off Dutch
It costs something, but then you also have something! The device feels nice in the hand, not TOO big for the name ultra. Battery lasts more than a day. The camera is unbelievably good.
S vd Berg
10 April 2021
Automatic translation off Dutch
Very good device.
Robert Rosian
30 April 2021
Automatic translation off Dutch
Coolblue takes care of everything, from taking out an insurance to repairs
Isn't repairing possible? You'll receive the replacement value in CoolblueCredit
30-day return window
You can select one of the Backup Plans below in your shopping cart. It will protect your brand new mobile phone against damage and/or theft.
Backup Plan Damage - Cancellable monthly
1 year Backup Plan Damage
Backup Plan Complete - Cancellable monthly
1-year Backup Plan Complete
Met Samsung Galaxy upgrade ruil je jouw oude smartphone in voor korting op je nieuwe Samsung Galaxy S21 Ultra 128GB Black 5G. Wij halen jouw oude smartphone leeg en geven hem een tweede leven. Op deze pagina lees je hoe Samsung Galaxy Upgrade precies werkt.
Product number | 874896 | |
Manufacturer code | SM-G998BZKDEUB | |
Brand | Samsung | |
Warranty | 2 years | |
Processing of your defect | Via Coolblue | |
Old product returned for free |
Mobile phone type | Smartphone | |
Recommended for use | Gaming, Internet, social media, and light games, Making photos and videos, Watching movies and series | |
Specific Absorption Rate (SAR) category | B | |
Specific Absorption Rate (SAR) category | 0,714 W/kg | |
Bundle contains | No accessories |
Year introduced | 2021 | |
Introduction month | January | |
Operating system | Android | |
Android One | ||
Android version when introduced | Android 11 | |
Update to Android version possible | Update not possible yet | |
Latest Android version | ||
Expected number of remaining Android updates | 3 | |
Assessment remaining Android updates | Excellent | |
Expected frequency security updates | Every month | |
Expected date of last security update | January 2025 | |
Assessment remaining security updates | Excellent | |
Review update policy | Excellent |
Size mobile phone | Very large | |
Height | 16,51 cm | |
Width | 7,56 cm | |
Depth | 0,89 cm | |
Weight | 228 g | |
Color | Black | |
Water-resistant | ||
IP certification | IP68 | |
Shockproof | ||
Sound reproduction | Stereo | |
MagSafe magnet |
Speed class | Excellent | |
Processor | Samsung Exynos 2100 | |
Clock speed primary processor | 2,9 GHz | |
Number of primary processor cores | Octa-Core (8) | |
Total storage capacity | 128 GB | |
Internal RAM | 12 GB | |
Memory card reader |
SIM free | ||
SIM card slot type | Nano SIM | |
Dual SIM | ||
Content SIM tray | 2 SIM card slots | |
Samsung region lock |
Camera quality | Excellent | |
Built-in camera | ||
Total number of megapixels | 108 MP | |
Autofocus | ||
Type of autofocus | Phase detection autofocus | |
Video function | ||
Video Recording quality | 8K @ 24 FPS | |
Rear flash | ||
Lens type | Standard | |
Image stabilization type | Optical Image Stabilization | |
Aperture | 1,8 | |
Flash type | Single LED | |
HDR support camera | ||
Type of image sensor | 1/1.33" | |
Second rear camera | ||
Rear camera 2 lens type | Wide-angle | |
Number of megapixels second rear camera | 12 MP | |
Fixed aperture second rear camera | 2,2 | |
Type of image stabilization second rear camera | No image stabilization | |
Autofocus second rear camera | ||
Type of autofocus second rear camera | Phase detection autofocus | |
Optical zoom function second rear camera | ||
Third rear camera | ||
Rear camera 3 lens type | Telephoto lens | |
Number of megapixels third rear camera | 10 MP | |
Fixed aperture third rear camera | 2,2 | |
Autofocus third rear camera | ||
Type of autofocus third rear camera | Phase detection autofocus | |
Type of image stabilization third rear camera | Optical image stabilization | |
Optical zoom function third rear camera | ||
Optical zoom third rear camera | 3 | |
Fourth rear camera | ||
Lens type fourth camera rear | Telephoto lens | |
Number of megapixels fourth rear camera | 10 MP | |
Fixed aperture fourth rear camera | 4,9 | |
Autofocus fourth rear camera | ||
Type of autofocus fourth rear camera | Phase detection autofocus | |
Type of image stabilization fourth rear camera | Optical image stabilization | |
Optical zoom function fourth rear camera | ||
Optical zoom fourth rear camera | 10 | |
Fifth camera on the back | ||
Lens type fifth camera rear | Depth sensor | |
Type of depth sensor fifth rear camera | ToF sensor |
Front Camera | ||
Front camera type | In screen | |
Number of megapixels front camera | 40 MP | |
Fixed aperture front camera | 2,2 | |
Type of image stabilization front camera | No image stabilization | |
Front flash | ||
Second front camera |
Screen size | 6,8 inches | |
Screen-to-body ratio | 89,8 % | |
Screen quality | Excellent | |
Foldable | ||
Refresh rate | 120 Hz | |
Resolution height | 3200 pixels | |
Resolution width | 1440 pixels | |
Pixel density | 515 ppi | |
Notification LED | ||
Touchscreen | ||
Sharpness | Quad HD (1440p) | |
Screen type | Dynamic AMOLED | |
Scratch resistant | ||
Gorilla Glass | ||
Gorilla Glass Type | Gorilla Glass 7 | |
HDR support | ||
Type of HDR | HDR10+ |
Battery life according to customers | Good | |
Battery/battery capacity | 5000 mAh | |
Quick charge functionality | ||
Fast charge type | Samsung Super Fast Charging | |
Power wired fast charging | 25 W | |
Wireless charging | ||
Power wireless fast charging | 15 W | |
Charge other devices wirelessly | ||
Capacity to charge other devices wirelessly | 15 W | |
Replaceable battery |
Options internet connection | 4G and 5G | |
Built-in WiFi | ||
WiFi standards | Wireless A, Wireless AC, Wireless AX, Wireless B, Wireless G, Wireless N | |
Bluetooth | ||
Bluetooth version | 5.0 | |
NFC | ||
Headphone jack | ||
USB port | ||
Type of USB port | USB-C | |
Lightning connector | ||
Suitable for Samsung DeX |
Fingerprint identity sensor | ||
Placement fingerprint sensor | Under the screen | |
Facial recognition | ||
Accelerometer | ||
Light sensor | ||
Compass | ||
Pedometer | ||
GPS sensor |
