Galaxy S23 Ultra

Download Samsung Firmware SM-S918N

Samsung Galaxy S23 Ultra

The latest firmware for Samsung Galaxy S23 Ultra (SM-S918N) is S918NKSU8GZIF with Android 17, released on September 28, 2026 for 4 regions (CSC). Every official firmware build for SM-S918N, newest first: one row per build with all regions (CSC) that received it.

Latest build
S918NKSU8GZIF Android 17 · 28 days ago
Builds
40 builds
Regions (CSC)
4 regions

Firmware builds for SM-S918N

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/S918NKSU8GZIF

SM-S918N update history

SM-S918N started on Android 13 and has received 4 major Android upgrades; it now runs Android 17. The upgrade to Android 17 started rolling out on September 28, 2026. The newest build, S918NKSU8GZIF, was released on September 28, 2026. Over the last 12 months SM-S918N received 12 builds, with a new build in 11 of those months, in line with Samsung's monthly security updates. Samsung guarantees security updates for this model until January 27, 2028.

Device specifications

Display diagonal
17.3 cm (6.8")
Display resolution
3088 x 1440 pixels
RAM
8 GB
Rear camera resolution
200 MP
Rear camera type
Quad camera
Battery capacity
5000 mAh
Weight
233 g

Specifications of SM-S918B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

Changelog for SM-S918N

No changelog details available.

Similar Models

Frequently Asked Questions

What is the latest Android version for SM-S918N?

The newest firmware for SM-S918N runs Android 17: build S918NKSU8GZIF, released on September 28, 2026.

When did SM-S918N get its last update?

The latest build for SM-S918N, S918NKSU8GZIF, was released on September 28, 2026 (29 days ago).

How often does SM-S918N get updates?

Over the last 12 months SM-S918N received 12 builds, with at least one new build in 11 different months.

Is the firmware for SM-S918N official?

Yes, all firmware files for SM-S918N are 100% official, original, and obtained directly from Samsung servers.

How to flash Samsung SM-S918N using Odin?

To flash SM-S918N, 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-S918N?

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-S918N.