M536SKSSBFYG1 – Galaxy Quantum3 firmware

Build M536SKSSBFYG1 is a security update for the Galaxy Quantum3 (SM-M536S) on Android 15 (One UI 7). It first appeared on Samsung's servers on Jul 23, 2025 (method) and has reached 1 region so far. It raises the bootloader bit from 10 to 11: once installed, the device no longer accepts firmware with bit 10 or lower, so a downgrade to M536SKSUAFYE4 is blocked. Samsung still serves this file.

Model
SM-M536S
Android
Android 15
Type
Security
Bootloader bit
11
First released
Jul 23, 2025
Regions
1

Rollout timeline by region

The date each region code (CSC) first received M536SKSSBFYG1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
SKCSouth Korea (SKT)Jul 23, 2025day 0M536SKSSBFYG1/M536SSKCBFYG1/M536SKSSBFYG1

Download and release notes

samloader download -m SM-M536S -r SKC -v M536SKSSBFYG1/M536SSKCBFYG1/M536SKSSBFYG1

Samsung's release notes and security patch level for this update: SM-M536S / SKC on doc.samsungmobile.com. What each part of the build number means: decode M536SKSSBFYG1.