A156LKSS9CZB4 – Galaxy Buddy3 firmware

Build A156LKSS9CZB4 is a security update for the Galaxy Buddy3 (SM-A156L) on Android 16 (One UI 8). It first appeared on Samsung's servers on Mar 4, 2026 (method) and has reached 1 region so far. It raises the bootloader bit from 8 to 9: once installed, the device no longer accepts firmware with bit 8 or lower, so a downgrade to A156LKSS8CZAB is blocked. Samsung still serves this file.

Model
SM-A156L
Android
Android 16
Type
Security
Bootloader bit
9
First released
Mar 4, 2026
Regions
1

Rollout timeline by region

The date each region code (CSC) first received A156LKSS9CZB4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
LUCSouth Korea (LG U+)Mar 4, 2026day 0A156LKSS9CZB4/A156LLUC9CZB4/A156LKLS9CZB4

Download and release notes

samloader download -m SM-A156L -r LUC -v A156LKSS9CZB4/A156LLUC9CZB4/A156LKLS9CZB4

Samsung's release notes and security patch level for this update: SM-A156L / LUC on doc.samsungmobile.com. What each part of the build number means: decode A156LKSS9CZB4.