A536BXXSOGZH2 – Galaxy A53 5G firmware

Build A536BXXSOGZH2 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 Sep 7, 2026 (method) and has reached 18 regions so far. It raises the bootloader bit from 23 to 24: once installed, the device no longer accepts firmware with bit 23 or lower, so a downgrade to A536BXXSNGZG3 is blocked. Samsung still serves this file.

Model
SM-A536B
Android
Android 16
Type
Security
Bootloader bit
24
First released
Sep 7, 2026
Regions
18

Rollout timeline by region

The date each region code (CSC) first received A536BXXSOGZH2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BOGFrance (Bouygues)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
BTBUnited Kingdom (BT)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
EUXEurope (Multi-CSC)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
EUYEurope (Multi-CSC)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
EVRUnited Kingdom (EE)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
MEOPortugal (MEO)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
MOBAustria (A1)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
MOTSlovenia (Telekom)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
MSRSerbiaSep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
O2CCzech Republic (O2)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
PLSPoland (Plus)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
PRTPoland (Play)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
SFRFrance (SFR)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
SIMSlovenia (A1)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
SWCSwitzerlandSep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
TIMItaly (TIM)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
TOPSerbia/MontenegroSep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2
VIPCroatia (A1)Sep 7, 2026day 0A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2

Download and release notes

samloader download -m SM-A536B -r EUX -v A536BXXSOGZH2/A536BOXMOGZH2/A536BXXSOGZH2

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 A536BXXSOGZH2.