SM-S928N 1 country Android 16

Samsung Galaxy S24 Ultra S928NKSS4CYK2 Firmware

Name: Samsung Galaxy S24 Ultra (SM-S928N)
Brand: Samsung
Availability: InStock

Samsung Galaxy S24 Ultra S928NKSS4CYK2 is an Android 16 firmware for South Korea (KOO, KTC, LUC, SKC). It is the same firmware configured per region and carrier (CSC). Find your country below, verify the file and download for free. Compared with the previous build S928NKSS4CYJ3, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-S928N is available: S928NKSS6EZJ1.

OS updates guaranteed until: Android 21Security updates until: Jan 23, 2031

9.0/10 (188)4,525 times

Android 16

OS Version

2025-11-17

Build Date

n/a

Security patch

Countries

CSC codes

Bootloader binary

Bootloader binary 4. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

Newer builds of Samsung Galaxy S24 Ultra use bootloader binary 6 (latest: S928NKSS6EZJ1). If your device already runs binary 6, this build cannot be flashed.

All regional downloads

Pick your region (CSC) to download the matching firmware package.

Will it work on my device?

Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.

MODEM/CP Version: S928NKSU4CYI3

Model	Region	CSC Version	Release date	Size	File name	Download
SM-S928N	KOO, KTC, LUC, SKC South Korea	S928NOKR4CYK2	2025-11-17	12.879 GiB	SM-S928N_3_20251108071641_tckrg5w7yn_fac.zip

Device specifications

Display diagonal17.3 cm (6.8")
Display resolution3120 x 1440 pixels
RAM12 GB
Rear camera resolution200 MP
Rear camera typeQuad camera
Battery capacity5000 mAh
Weight232 g

Specifications of SM-S928B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

How to flash S928NKSS4CYK2

Install Samsung USB Drivers:Download Official Drivers
Download Odin Flash Tool:

S928NKSS4CYK2 has bootloader binary 4. Your device must run binary 4 or lower: it is the 5th character from the end of your current build number.
CSC: Use CSC for a clean install, to change the region (CSC code), to downgrade or to repair a device that does not boot.
HOME_CSC: Use HOME_CSC to update the same model and region while keeping your data. Back up anyway: a failed update can still require a reset.
The Download Mode key combo depends on the model: see all combos.

Full flashing guide

Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.

Frequently Asked Questions

S928NKSS4CYK2 is Android 16 firmware for Samsung Galaxy S24 Ultra, released for South Korea (KOO, KTC, LUC, SKC). Samsung built it on 2025-11-17.

No. A newer build for SM-S928N is available: S928NKSS6EZJ1. Install it instead of S928NKSS4CYK2 unless you need this exact version. The previous build was S928NKSS4CYJ3.

Download the package for your region (CSC) and unzip it. In Odin, load each file into the slot with the same name: BL, AP, CP (if the package has one) and CSC, or HOME_CSC to keep your data. Odin checks the built-in checksum of every .tar.md5 file before flashing. The download is 12.879 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy S24 Ultra must be on bootloader binary 4 or lower.

This build uses bootloader binary 4. It can be flashed on a Samsung Galaxy S24 Ultra running binary 4 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 17 other builds of this model use the same binary, so you can switch between them in both directions.