A536BXXSKGZC1 – Galaxy A53 5G firmware

Build A536BXXSKGZC1 is a security update for the Galaxy A53 5G (SM-A536B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Mar 29, 2026 (method) and has reached 18 regions so far. It keeps bootloader bit 20, so downgrading to the previous build A536BXXSKGZB6 is still possible. Samsung still serves this file.

Model
SM-A536B
Android
Android 16
Type
Security
Bootloader bit
20
First released
Mar 29, 2026
Regions
18

Rollout timeline by region

The date each region code (CSC) first received A536BXXSKGZC1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BOGFrance (Bouygues)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
BTBUnited Kingdom (BT)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
EUXEurope (Multi-CSC)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
EUYEurope (Multi-CSC)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
EVRUnited Kingdom (EE)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
MEOPortugal (MEO)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
MOBAustria (A1)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
MOTSlovenia (Telekom)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
MSRSerbiaMar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
O2CCzech Republic (O2)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
PLSPoland (Plus)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
PRTPoland (Play)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
SFRFrance (SFR)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
SIMSlovenia (A1)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
SWCSwitzerlandMar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
TIMItaly (TIM)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
TOPSerbia/MontenegroMar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1
VIPCroatia (A1)Mar 29, 2026day 0A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1

Download and release notes

samloader download -m SM-A536B -r EUX -v A536BXXSKGZC1/A536BOXMKGZC1/A536BXXSKGZC1

Samsung's release notes and security patch level for this update: SM-A536B / EUX on doc.samsungmobile.com. What each part of the build number means: decode A536BXXSKGZC1.