A536NKSSHGZE2 – Galaxy A53 5G firmware

Build A536NKSSHGZE2 is a security update for the Galaxy A53 5G (SM-A536N) on Android 16 (One UI 8). It first appeared on Samsung's servers on May 18, 2026 (method) and has reached 4 regions so far. It raises the bootloader bit from 16 to 17: once installed, the device no longer accepts firmware with bit 16 or lower, so a downgrade to A536NKSSGGZD1 is blocked. Samsung still serves this file.

Model
SM-A536N
Android
Android 16
Type
Security
Bootloader bit
17
First released
May 18, 2026
Regions
4

Rollout timeline by region

The date each region code (CSC) first received A536NKSSHGZE2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KOOSouth KoreaMay 18, 2026day 0A536NKSSHGZE2/A536NOKRHGZE2/A536NKOSHGZE1
KTCSouth Korea (KT)May 18, 2026day 0A536NKSSHGZE2/A536NOKRHGZE2/A536NKOSHGZE1
LUCSouth Korea (LG U+)May 18, 2026day 0A536NKSSHGZE2/A536NOKRHGZE2/A536NKOSHGZE1
SKCSouth Korea (SKT)May 18, 2026day 0A536NKSSHGZE2/A536NOKRHGZE2/A536NKOSHGZE1

Download and release notes

samloader download -m SM-A536N -r KOO -v A536NKSSHGZE2/A536NOKRHGZE2/A536NKOSHGZE1

Samsung's release notes and security patch level for this update: SM-A536N / KOO on doc.samsungmobile.com. What each part of the build number means: decode A536NKSSHGZE2.