M536SKSSCGYL1 – Galaxy Quantum3 firmware

Build M536SKSSCGYL1 is a security update for the Galaxy Quantum3 (SM-M536S) on Android 16 (One UI 8). It first appeared on Samsung's servers on Jan 12, 2026 (method) and has reached 1 region so far. It raises the bootloader bit from 11 to 12: once installed, the device no longer accepts firmware with bit 11 or lower, so a downgrade to M536SKSSBGYJ1 is blocked. Samsung still serves this file.

Model
SM-M536S
Android
Android 16
Type
Security
Bootloader bit
12
First released
Jan 12, 2026
Regions
1

Rollout timeline by region

The date each region code (CSC) first received M536SKSSCGYL1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
SKCSouth Korea (SKT)Jan 12, 2026day 0M536SKSSCGYL1/M536SSKCCGYL1/M536SKSSCGYL1

Download and release notes

samloader download -m SM-M536S -r SKC -v M536SKSSCGYL1/M536SSKCCGYL1/M536SKSSCGYL1

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 M536SKSSCGYL1.