Galaxy S8+

Samsung Galaxy S8+ SM-G955N firmware

The latest firmware for Samsung Galaxy S8+ (SM-G955N) is G955NKSU5DZE1 with Android 9, released on May 11, 2026 for 3 regions (CSC). Every official firmware build for SM-G955N, newest first: one row per build with all regions (CSC) that received it.

Latest build
G955NKSU5DZE1 https://samfirm.shop/build/G955NKSU5DZE1 Android 9 · 5 months ago
Builds
33 builds
Regions (CSC)
3 regions

Firmware builds for SM-G955N

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/G955NKSU5DZE1

SM-G955N update history

SM-G955N started on Android 6 and has received 3 major Android upgrades; it now runs Android 9. The newest build, G955NKSU5DZE1, was released on May 11, 2026. Updates have become rare: SM-G955N received 1 build over the last 12 months, in 1 month.

Device specifications

Launched with
Android 7.0
Display diagonal
14.7 cm (5.8")
Display resolution
1440 x 2960 pixels
Display type
SAMOLED
RAM
4 GB
RAM type
LPDDR4
Rear camera resolution
12 MP
Rear camera type
Single camera
Battery capacity
3000 mAh
Weight
155 g

Specifications of SM-G955F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

New firmware for other devices

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-G955N?

The newest firmware for SM-G955N runs Android 9: build G955NKSU5DZE1, released on May 11, 2026.

When did SM-G955N get its last update?

The latest build for SM-G955N, G955NKSU5DZE1, was released on May 11, 2026 (5 months ago).

How often does SM-G955N get updates?

Over the last 12 months SM-G955N received 1 build, with at least one new build in 1 month.

Is the firmware for SM-G955N official?

Yes, all firmware files for SM-G955N are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-G955N using Odin?

To flash SM-G955N, 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-G955N?

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-G955N.

Is this the stock ROM or flash file for SM-G955N?

Yes. Every build on this page is the official stock ROM for SM-G955N from Samsung's update server, the same package other sites call the flash file or the software update. It installs with Odin on a Windows PC.

Does flashing firmware remove the FRP lock on SM-G955N?

No. Factory Reset Protection is tied to the Google account that was on the phone and survives a firmware flash. Sign in with that account or use the legal options in our FRP guide.