M536SKSUBGYI4 – Galaxy Quantum3 firmware
Build M536SKSUBGYI4 is a feature update for the Galaxy Quantum3 (SM-M536S)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Oct 12, 2025 (method) and has reached
1 region so far. It keeps bootloader bit 11, so downgrading to the previous build M536SKSSBFYG1 is still possible. Samsung still serves this file.
- Model
- SM-M536S
- Android
- Android 16
- Type
- Feature
- Bootloader bit
- 11
- First released
- Oct 12, 2025
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received M536SKSUBGYI4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
SKC | South Korea (SKT) | Oct 12, 2025 | day 0 | M536SKSUBGYI4/M536SSKCBGYI4/M536SKSUBGYI4 |
Download and release notes
samloader download -m SM-M536S -r SKC -v M536SKSUBGYI4/M536SSKCBGYI4/M536SKSUBGYI4
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 M536SKSUBGYI4.