M136BXXSDDYK1 – Galaxy M13 5G firmware

Build M136BXXSDDYK1 is a security update for the Galaxy M13 5G (SM-M136B) on Android 14 (One UI 6). It first appeared on Samsung's servers on Dec 3, 2025 (method) and has reached 1 region so far. It raises the bootloader bit from 12 to 13: once installed, the device no longer accepts firmware with bit 12 or lower, so a downgrade to M136BXXSCDYG1 is blocked. Samsung still serves this file.

Model
SM-M136B
Android
Android 14
Type
Security
Bootloader bit
13
First released
Dec 3, 2025
Regions
1

Rollout timeline by region

The date each region code (CSC) first received M136BXXSDDYK1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
INSIndiaDec 3, 2025day 0M136BXXSDDYK1/M136BODMDDYK1/M136BXXSDDYJ1

Download and release notes

samloader download -m SM-M136B -r INS -v M136BXXSDDYK1/M136BODMDDYK1/M136BXXSDDYJ1

Samsung's release notes and security patch level for this update: SM-M136B / INS on doc.samsungmobile.com. What each part of the build number means: decode M136BXXSDDYK1.