SM-G781N 1 country Android 13

Samsung Galaxy S20 FE 5G G781NKSU4GWCH Firmware

Name: Samsung Galaxy S20 FE 5G (SM-G781N)
Brand: Samsung
Availability: InStock

Samsung Galaxy S20 FE 5G G781NKSU4GWCH is an Android 13 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 G781NKSU3GWB3: bootloader binary raised from 3 to 4, so after installing it there is no way back to older builds. A newer build for SM-G781N is available: G781NKSSDGYJ1.

OS updates guaranteed until: Android 13Security updates until: Oct 23, 2025

8.7/10 (482)15,568 times

Android 13

OS Version

2023-04-20

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 S20 FE 5G use bootloader binary D (13) (latest: G781NKSSDGYJ1). If your device already runs binary D (13), 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: G781NKSU4GWC4

Model	Region	CSC Version	Release date	Size	File name	Download
SM-G781N	KOO, KTC, LUC, SKC South Korea	G781NOKR4GWCH	2023-04-20	6.486 GiB	SM-G781N_3_20230330161310_wxl9ixsnp3_fac.zip

Device specifications

Launched withAndroid 10.0
Display diagonal16.5 cm (6.5")
Display resolution2400 x 1080 pixels
Display typeSAMOLED
RAM6 GB
RAM typeLPDDR5
Rear camera resolution12 MP
Rear camera typeTriple camera
Battery capacity4500 mAh
Weight190 g

Specifications of SM-G781B, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.

How to flash G781NKSU4GWCH

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

G781NKSU4GWCH 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

G781NKSU4GWCH is Android 13 firmware for Samsung Galaxy S20 FE 5G, released for South Korea (KOO, KTC, LUC, SKC). Samsung built it on 2023-04-20.

No. A newer build for SM-G781N is available: G781NKSSDGYJ1. Install it instead of G781NKSU4GWCH unless you need this exact version. The previous build was G781NKSU3GWB3.

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 6.486 GiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy S20 FE 5G must be on bootloader binary 4 or lower.

This build uses bootloader binary 4. It can be flashed on a Samsung Galaxy S20 FE 5G running binary 4 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 2 other builds of this model use the same binary, so you can switch between them in both directions.