Samsung Galaxy A15 A155NKSU5BYD5 Firmware
Samsung Galaxy A15 A155NKSU5BYD5 is an Android 15 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 A155NKSS5AYC1: Android updated from Android 14 to Android 15. A newer build for SM-A155N is available: A155NKSSBDZH6.
OS updates guaranteed until:
Android 18. Security updates until:
Jan 23, 2029
8.9/10 (30)260 times
Android 15
OS Version
2025-04-29
Build Date
n/a
Security patch
1
Countries
4
CSC codes
5
Bootloader binary
Bootloader binary 5. Flashing firmware with a lower binary is usually blocked by Samsung anti-rollback.
Newer builds of Samsung Galaxy A15 use bootloader binary B (11) (latest: A155NKSSBDZH6). If your device already runs binary B (11), this build cannot be flashed.
All regional downloads
Pick your region (CSC) to download the matching firmware package.
Paste your current build number from Settings > About phone (About tablet) > Software information, or the output of *#1234#.
MODEM/CP Version: A155NKSU5BYD5
No matching downloads
Device specifications
- Display diagonal16.5 cm (6.5")
- Display resolution1080 x 2340 pixels
- RAM4 GB
- Rear camera resolution50 MP
- Rear camera typeTriple camera
- Battery capacity5000 mAh
- Weight200 g
Specifications of SM-A155F, a regional variant of the same device. Chipset and SIM lines are left out: they can differ by region.
How to flash A155NKSU5BYD5
- Install Samsung USB Drivers:Download Official Drivers
- Download Odin Flash Tool:
- A155NKSU5BYD5 has bootloader binary 5. Your device must run binary 5 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.
Beware: Manually flashing firmwares may brick your device. Use it at your own risk and follow our tutorial steps.
Frequently Asked Questions
A155NKSU5BYD5 is Android 15 firmware for Samsung Galaxy A15, released for South Korea (KOO, KTC, LUC, SKC). Samsung built it on 2025-04-29.
No. A newer build for SM-A155N is available: A155NKSSBDZH6. Install it instead of A155NKSU5BYD5 unless you need this exact version. The previous build was A155NKSS5AYC1.
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 Samsung Galaxy A15 must be on bootloader binary 5 or lower.
This build uses bootloader binary 5. It can be flashed on a Samsung Galaxy A15 running binary 5 or lower; if the device already has a higher binary, Odin stops with "SW REV CHECK FAIL". 1 other build of this model uses the same binary, so you can switch between them in both directions.