G991BOXM4CVC4 | Samsung firmwares by csc | EN

Download the latest Samsung firmware ✅ csc G991BOXM4CVC4. Full list of firmwares available for download

Showing 1-10 of 121 items.
Samsung firmware list
DeviceModelRegionPDA/AP VersionCSC VersionMODEM/CP VersionOs VersionBuild Date
Samsung Galaxy S21 5GSM-G991BEON

SM-G991BEONG991BXXU4CVC4

One UI 4.1 Update
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.

Camera
It's easier than ever to capture great photos and videos.
More options for portrait videos
Capture great portrait videos even when your subject is far away. You can now record portrait videos with the 3x lens on the rear camera in addition to the 1x lens.
Zoom in farther in Pro and Pro video modes
The telephoto lens is now supported in Pro and Pro video modes so you can capture clearer images and videos of far away things.
Get the full director’s view
You can save your director’s view videos with separate front and rear videos so you can edit them later, even after you’re done recording. When you play them back in the Video player, you can switch between different views such as split-screen or picture-in-picture.

Gallery
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G991BOXM4CVC4G991BXXU4CVC212
Samsung Galaxy S21 5GSM-G991BSKZ

SM-G991BSKZG991BXXU4CVC4

One UI 4.1 Update
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.

Camera
It's easier than ever to capture great photos and videos.
More options for portrait videos
Capture great portrait videos even when your subject is far away. You can now record portrait videos with the 3x lens on the rear camera in addition to the 1x lens.
Zoom in farther in Pro and Pro video modes
The telephoto lens is now supported in Pro and Pro video modes so you can capture clearer images and videos of far away things.
Get the full director’s view
You can save your director’s view videos with separate front and rear videos so you can edit them later, even after you’re done recording. When you play them back in the Video player, you can switch between different views such as split-screen or picture-in-picture.

Gallery
...
G991BOXM4CVC4G991BXXU4CVC212
Samsung Galaxy S21 5GSM-G991BCHO

SM-G991BCHOG991BXXU4CVC4

One UI 4.1 Update
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.

Camera
It's easier than ever to capture great photos and videos.
More options for portrait videos
Capture great portrait videos even when your subject is far away. You can now record portrait videos with the 3x lens on the rear camera in addition to the 1x lens.
Zoom in farther in Pro and Pro video modes
The telephoto lens is now supported in Pro and Pro video modes so you can capture clearer images and videos of far away things.
Get the full director’s view
You can save your director’s view videos with separate front and rear videos so you can edit them later, even after you’re done recording. When you play them back in the Video player, you can switch between different views such as split-screen or picture-in-picture.

Gallery
...
G991BOXM4CVC4G991BXXU4CVC212
Samsung Galaxy S21 5GSM-G991BMID

SM-G991BMIDG991BXXU4CVC4

One UI 4.1 Update
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.

Camera
It's easier than ever to capture great photos and videos.
More options for portrait videos
Capture great portrait videos even when your subject is far away. You can now record portrait videos with the 3x lens on the rear camera in addition to the 1x lens.
Zoom in farther in Pro and Pro video modes
The telephoto lens is now supported in Pro and Pro video modes so you can capture clearer images and videos of far away things.
Get the full director’s view
You can save your director’s view videos with separate front and rear videos so you can edit them later, even after you’re done recording. When you play them back in the Video player, you can switch between different views such as split-screen or picture-in-picture.

Gallery
...
G991BOXM4CVC4G991BXXU4CVC212
Samsung Galaxy S21 5GSM-G991BTPA

SM-G991BTPAG991BXXU4CVC4

One UI 4.1 Update
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.

Camera
It's easier than ever to capture great photos and videos.
More options for portrait videos
Capture great portrait videos even when your subject is far away. You can now record portrait videos with the 3x lens on the rear camera in addition to the 1x lens.
Zoom in farther in Pro and Pro video modes
The telephoto lens is now supported in Pro and Pro video modes so you can capture clearer images and videos of far away things.
Get the full director’s view
You can save your director’s view videos with separate front and rear videos so you can edit them later, even after you’re done recording. When you play them back in the Video player, you can switch between different views such as split-screen or picture-in-picture.

Gallery
...
G991BOXM4CVC4G991BXXU4CVC212
Samsung Galaxy S21 5GSM-G991BGTO

SM-G991BGTOG991BXXU4CVC4

One UI 4.1 Update
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.

Camera
It's easier than ever to capture great photos and videos.
More options for portrait videos
Capture great portrait videos even when your subject is far away. You can now record portrait videos with the 3x lens on the rear camera in addition to the 1x lens.
Zoom in farther in Pro and Pro video modes
The telephoto lens is now supported in Pro and Pro video modes so you can capture clearer images and videos of far away things.
Get the full director’s view
You can save your director’s view videos with separate front and rear videos so you can edit them later, even after you’re done recording. When you play them back in the Video player, you can switch between different views such as split-screen or picture-in-picture.

Gallery
...
G991BOXM4CVC4G991BXXU4CVC212
Samsung Galaxy S21 5GSM-G991BXFV

SM-G991BXFVG991BXXU4CVC4

One UI 4.1 Update
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.

Camera
It's easier than ever to capture great photos and videos.
More options for portrait videos
Capture great portrait videos even when your subject is far away. You can now record portrait videos with the 3x lens on the rear camera in addition to the 1x lens.
Zoom in farther in Pro and Pro video modes
The telephoto lens is now supported in Pro and Pro video modes so you can capture clearer images and videos of far away things.
Get the full director’s view
You can save your director’s view videos with separate front and rear videos so you can edit them later, even after you’re done recording. When you play them back in the Video player, you can switch between different views such as split-screen or picture-in-picture.

Gallery
...
G991BOXM4CVC4G991BXXU4CVC212
Samsung Galaxy S21 5GSM-G991BXFA

SM-G991BXFAG991BXXU4CVC4

One UI 4.1 Update
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.

Camera
It's easier than ever to capture great photos and videos.
More options for portrait videos
Capture great portrait videos even when your subject is far away. You can now record portrait videos with the 3x lens on the rear camera in addition to the 1x lens.
Zoom in farther in Pro and Pro video modes
The telephoto lens is now supported in Pro and Pro video modes so you can capture clearer images and videos of far away things.
Get the full director’s view
You can save your director’s view videos with separate front and rear videos so you can edit them later, even after you’re done recording. When you play them back in the Video player, you can switch between different views such as split-screen or picture-in-picture.

Gallery
...
G991BOXM4CVC4G991BXXU4CVC212
Samsung Galaxy S21 5GSM-G991BOPS

SM-G991BOPSG991BXXU4CVC4

One UI 4.1 Update
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.

Camera
It's easier than ever to capture great photos and videos.
More options for portrait videos
Capture great portrait videos even when your subject is far away. You can now record portrait videos with the 3x lens on the rear camera in addition to the 1x lens.
Zoom in farther in Pro and Pro video modes
The telephoto lens is now supported in Pro and Pro video modes so you can capture clearer images and videos of far away things.
Get the full director’s view
You can save your director’s view videos with separate front and rear videos so you can edit them later, even after you’re done recording. When you play them back in the Video player, you can switch between different views such as split-screen or picture-in-picture.

Gallery
...
G991BOXM4CVC4G991BXXU4CVC212
Samsung Galaxy S21 5GSM-G991BXSA

SM-G991BXSAG991BXXU4CVC4

One UI 4.1 Update
One UI 4.1 brings you the latest features for your Galaxy devices. More intuitive, more fun, more secure, and easier than ever.
Check out the changes below.

Camera
It's easier than ever to capture great photos and videos.
More options for portrait videos
Capture great portrait videos even when your subject is far away. You can now record portrait videos with the 3x lens on the rear camera in addition to the 1x lens.
Zoom in farther in Pro and Pro video modes
The telephoto lens is now supported in Pro and Pro video modes so you can capture clearer images and videos of far away things.
Get the full director’s view
You can save your director’s view videos with separate front and rear videos so you can edit them later, even after you’re done recording. When you play them back in the Video player, you can switch between different views such as split-screen or picture-in-picture.

Gallery
...
G991BOXM4CVC4G991BXXU4CVC212

Specifications Samsung device G991BOXM4CVC4

  • Samsung Galaxy S21 5G SM-G991B
  • Display diagonal: 15.8 cm (6.2")
  • Display resolution: 2400 x 1080 pixels
  • Display type: Dynamic AMOLED 2X
  • Processor frequency: 2.9 GHz
  • RAM capacity: 8 GB
  • RAM type: LPDDR5
  • Internal storage capacity: 256 GB
  • Rear camera resolution (numeric): 12 MP
  • Rear camera type: Triple camera
  • SIM card capability: Dual SIM
  • Operating system installed: Android 11
  • Battery capacity: 4000 mAh
  • Product colour: Grey
  • Weight: 171 g

We recommend using Samsung’s own utilities, Samsung Smart Switch and OTA (Over-the-air), to upgrade devices. Use our site only if you are 100% sure about the risks involved in flashing your device csc: G991BOXM4CVC4. We is not responsible for any damage caused by using the files on this website.
The Firmwares provided here are all official Samsung's Android Firmwares and has NOT been modified by anyway as we get them directly from KIES servers.
We live-monitor all firmware updates for every Samsung device, in over 500 regions.
Beware, Manually flashing firmwares may brick your device, use it at your own risk and follow our tutorial steps.

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