SM-G155S 1 country Android 5.1.1 (Lollipop)

Samsung Galaxy Folder G155SKSU1AOK5 Firmware

Name: Samsung Galaxy Folder (SM-G155S)
Brand: Samsung
Availability: InStock

Samsung Galaxy Folder G155SKSU1AOK5 is an Android 5.1.1 (Lollipop) firmware for South Korea (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 G155SKSU1AOI5, Android and the bootloader binary are unchanged, so you can switch between the two in both directions. A newer build for SM-G155S is available: G155SKSE1APL2.

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Android 5.1.1 (Lollipop)

OS Version

2015-11-30

Build Date

n/a

Security patch

Countries

CSC codes

Bootloader binary

Bootloader binary 1. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.

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#.

Model	Region	CSC Version	MODEM/CP Version	Release date	Size	File name	Download
SM-G155S	SKC South Korea	G155S1AOK5	G155SKSU1AOK5	—	—	—
SM-G155S	SKC South Korea	G155SSKC1AOK5	G155SKSU1AOK3	2015-12-21	961.766 MiB	SM-G155S_1_20170112140313_1vz8epxck6_fac.zip

How to flash G155SKSU1AOK5

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

G155SKSU1AOK5 has bootloader binary 1. Your device must run binary 1 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

G155SKSU1AOK5 is Android 5.1.1 (Lollipop) firmware for Samsung Galaxy Folder, released for South Korea (SKC). Samsung built it on 2015-11-30.

No. A newer build for SM-G155S is available: G155SKSE1APL2. Install it instead of G155SKSU1AOK5 unless you need this exact version. The previous build was G155SKSU1AOI5.

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 961.766 MiB; keep about twice that free on the computer to unzip it. The Samsung Galaxy Folder must be on bootloader binary 1 or lower.

This build uses bootloader binary 1. It can be flashed on a Samsung Galaxy Folder running binary 1 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 4 other builds of this model use the same binary, so you can switch between them in both directions.