A536BXXSNGZG3 – Galaxy A53 5G firmware

Build A536BXXSNGZG3 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 Jul 29, 2026 (method) and has reached 18 regions so far. It raises the bootloader bit from 22 to 23: once installed, the device no longer accepts firmware with bit 22 or lower, so a downgrade to A536BXXSMGZE1 is blocked. Samsung still serves this file.

Model
SM-A536B
Android
Android 16
Type
Security
Bootloader bit
23
First released
Jul 29, 2026
Regions
18

Rollout timeline by region

The date each region code (CSC) first received A536BXXSNGZG3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BOGFrance (Bouygues)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
BTBUnited Kingdom (BT)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
EUXEurope (Multi-CSC)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
EUYEurope (Multi-CSC)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
EVRUnited Kingdom (EE)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
MEOPortugal (MEO)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
MOBAustria (A1)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
MOTSlovenia (Telekom)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
MSRSerbiaJul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
O2CCzech Republic (O2)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
PLSPoland (Plus)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
PRTPoland (Play)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
SFRFrance (SFR)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
SIMSlovenia (A1)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
SWCSwitzerlandJul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
TIMItaly (TIM)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
TOPSerbia/MontenegroJul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3
VIPCroatia (A1)Jul 29, 2026day 0A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3

Download and release notes

samloader download -m SM-A536B -r EUX -v A536BXXSNGZG3/A536BOXMNGZG3/A536BXXSNGZG3

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 A536BXXSNGZG3.