Galaxy S21 Ultra 5G

Download Samsung Firmware SM-G998B

Samsung Galaxy S21 Ultra 5G

The latest firmware for Samsung Galaxy S21 Ultra 5G (SM-G998B) is G998BXXUJHZF2 with Android 15, released on July 9, 2026 for 1 region (CSC). Every official firmware build for SM-G998B, newest first: one row per build with all regions (CSC) that received it.

Latest build
G998BXXUJHZF2 Android 15 · 3 months ago
Builds
168 builds
Regions (CSC)
196 regions

Firmware builds for SM-G998B

Each firmware build has its own page at https://samfirm.shop/build/{PDA}, where {PDA} is the build number from the list above. Example: https://samfirm.shop/build/G998BXXUJHZF2

SM-G998B update history

SM-G998B started on Android 11 and has received 4 major Android upgrades; it now runs Android 15. The newest build, G998BXXUJHZF2, was released on July 9, 2026 with the January 2026 security patch. That patch (SMR Jan-2026) fixes 32 vulnerabilities, 2 of them critical. Over the last 12 months SM-G998B received 4 builds, spread over 4 different months. Builds of this model reach 196 regions (CSC); AUT (Switzerland) usually gets a new build first (50% of recent builds).

Device specifications

Launched with
Android 11
Display diagonal
17.3 cm (6.8")
Display resolution
3200 x 1440 pixels
Display type
Dynamic AMOLED 2X
Processor frequency
2.9 GHz
Processor family
Samsung Exynos
RAM
12 GB
Rear camera resolution
108 MP
Rear camera type
Quad camera
SIM cards
Dual SIM
Battery capacity
5000 mAh
Weight
228 g

Changelog for SM-G998B

• Stability and reliability
Device behavior has been improved.

These changes may vary depending on the model, country, or network operator of the customer environment.

• Security
The device is protected with improved security.

These changes may vary depending on the model, country, or network operator of the customer environment.

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

• Security
The device is protected with improved security.

• The security of your device has been improved.

Show 21 older builds
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• The security of your device has been improved.

• Security
The device is protected with improved security.

• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.

• The security of your device has been improved.

• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.

• Security
The device is protected with improved security.

• The security of your device has been improved.

• The Camera and Gallery functions have been improved.
• Security
The device is protected with improved security.

• Security
The device is protected with improved security.

• The security of your device has been improved.

• Stability and reliability
Device behavior has been improved.
• Security
The device is protected with improved security.

54 retail codes (SKU)

Box codes of SM-G998B for different colors and markets. Firmware is chosen by the model code SM-G998B and your region (CSC), not by the SKU.

  • SM-G998BZKGEUE
  • SM-G998BZKDEUA
  • SM-G998BZSDEUA
  • SM-G998BZSAATS
  • SM-G998BZSFATS
  • SM-G998BZSDEUC
  • SM-G998BZKEATS
  • SM-G998BZSDEUH
  • SM-G998BDBHEUB
  • SM-G998BZNDEUB
  • SM-G998BZKFATS
  • SM-G998BZSEATS
  • SM-G998BZKDEEE
  • SM-G998BZNGEUB
  • SM-G998BZTHEUB
  • SM-G998BDBDEUB
  • SM-G998BZTDEUB
  • SM-G998BZTGEUB
  • SM-G998BDBGEUB
  • SM-G998BZNHEUB
  • SM-G998BZSGEUE
  • SM-G998BZKGEUC
  • SM-G998BZSGEUC
  • SM-G998BZKDEUC
  • SM-G998BZKHEUE
  • SM-G998BZKDEUE
  • SM-G998BZSDEUE
  • SM-G998BZSHEUE
  • SM-G998BZKHEUH
  • SM-G998BZSGEUH
  • SM-G998BZKDEUH
  • SM-G998BZSHEUH
  • SM-G998BZKGEUH
  • SM-G998BZKHEUA
  • SM-G998BZSHEUA
  • SM-G998BZKGEUA
  • SM-G998BZSGEUA
  • SM-G998BDBDEUE
  • SM-G998BZTHEUE
  • SM-G998BZNHEUE
  • SM-G998BDBGEUE
  • SM-G998BZTGEUE
  • SM-G998BZNGEUE
  • SM-G998BDBHEUE
  • SM-G998BZNDEUE
  • SM-G998BZTDEUE
  • SM-G998BZKDEEH
  • SM-G998BZKDTUR
  • SM-G998BZKGMEA
  • SM-G998BZKGTUR
  • SM-G998BZSDTUR
  • SM-G998BZSGMEA
  • SM-G998BZSGTUR
  • SM-G998BZSHMEA

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Frequently Asked Questions

What is the latest Android version for SM-G998B?

The newest firmware for SM-G998B runs Android 15: build G998BXXUJHZF2, released on July 9, 2026.

When did SM-G998B get its last update?

The latest build for SM-G998B, G998BXXUJHZF2, was released on July 9, 2026 (3 months ago).

How often does SM-G998B get updates?

Over the last 12 months SM-G998B received 4 builds, with at least one new build in 4 different months.

Is the firmware for SM-G998B official?

Yes, all firmware files for SM-G998B are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-G998B using Odin?

To flash SM-G998B, you need to download the appropriate firmware, put your device into Download Mode, and use the Odin tool to load the BL, AP, CP, and CSC files.

Can I downgrade the Android version on SM-G998B?

Downgrading is only possible if the bootloader version (binary bit) of the old firmware matches the current one. Always check the binary version before flashing SM-G998B.