Galaxy S8+

Download Samsung Firmware SM-G955U

Samsung Galaxy S8+

The latest firmware for Samsung Galaxy S8+ (SM-G955U) is G955USQU8DZE4 with Android 9, released on June 12, 2026 for 2 regions (CSC). Every official firmware build for SM-G955U, newest first: one row per build with all regions (CSC) that received it.

Latest build
G955USQU8DZE4 Android 9 · 4 months ago
Builds
69 builds
Regions (CSC)
14 regions

Firmware builds for SM-G955U

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/G955USQU8DZE4

SM-G955U update history

SM-G955U started on Android 7 and has received 2 major Android upgrades; it now runs Android 9. The newest build, G955USQU8DZE4, was released on June 12, 2026 with the December 2020 security patch. Updates have become rare: SM-G955U received 3 builds over the last 12 months, in 1 month.

Device specifications

Launched with
Android 7.0
Display diagonal
15.8 cm (6.2")
Display resolution
1440 x 2960 pixels
Display type
SAMOLED
Processor frequency
2.35 GHz
Processor family
Qualcomm Snapdragon
Processor model
MSM 8998
RAM
4 GB
Rear camera resolution
12 MP
Rear camera type
Single camera
SIM cards
Single SIM
Battery capacity
3500 mAh
Weight
173 g

Changelog for SM-G955U

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

· The security of your device has been improved.

· The performance of Camera has been improved
· The security of your device has been improved.

· The security of your device has been improved.

At T-Mobile, our customer's privacy and security is incredibly important. We pride ourselves on making sure your mobile experience is safe and secure. It is strongly recommended that you install this security patch to protect your device.
This will not consume your data.  Please charge your device,  do not turn off the device while the update is installing. During installation you cannot use your device at all, even to dial 9-1-1.

· The security of your device has been improved.

Show 9 older builds

· The security of your device has been improved.

At T-Mobile, our customer's privacy and security is incredibly important. We pride ourselves on making sure your mobile experience is safe and secure. It is strongly recommended that you install this security patch to protect your device.
This will not consume your data.  Please charge your device,  do not turn off the device while the update is installing. During installation you cannot use your device at all, even to dial 9-1-1.

· The stability of Camera has been improved.
· A new Camera function has been added : QR code reader
· The security of your device has been improved.

· The security of your device has been improved.

· The security of your device has been improved.

At T-Mobile, our customer's privacy and security is incredibly important. We pride ourselves on making sure your mobile experience is safe and secure. It is strongly recommended that you install this security patch to protect your device.
This will not consume your data.  Please charge your device,  do not turn off the device while the update is installing. During installation you cannot use your device at all, even to dial 9-1-1.

· The security of your device has been improved.

· The stability of Camera has been improved.
· A new Camera function has been added : QR code reader
· The security of your device has been improved.

· The security of your device has been improved.

At T-Mobile, our customer's privacy and security is incredibly important. We pride ourselves on making sure your mobile experience is safe and secure. It is strongly recommended that you install this security patch to protect your device.
This will not consume your data.  Please charge your device,  do not turn off the device while the update is installing. During installation you cannot use your device at all, even to dial 9-1-1.

· The security of your device has been improved.

1 retail code (SKU)

Box codes of SM-G955U for different colors and markets. Firmware is chosen by the model code SM-G955U and your region (CSC), not by the SKU.

  • SM-G955UZKA

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-G955U?

The newest firmware for SM-G955U runs Android 9: build G955USQU8DZE4, released on June 12, 2026.

When did SM-G955U get its last update?

The latest build for SM-G955U, G955USQU8DZE4, was released on June 12, 2026 (4 months ago).

How often does SM-G955U get updates?

Over the last 12 months SM-G955U received 3 builds, with at least one new build in 1 month.

Is the firmware for SM-G955U official?

Yes, all firmware files for SM-G955U are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-G955U using Odin?

To flash SM-G955U, 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-G955U?

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-G955U.