M176BXXS7CZH3 – Galaxy M17 5G firmware

Build M176BXXS7CZH3 is a security update for the Galaxy M17 5G (SM-M176B) on Android 16 (One UI 8). It first appeared on Samsung's servers on Sep 8, 2026 (method) and has reached 2 regions so far. It raises the bootloader bit from 6 to 7: once installed, the device no longer accepts firmware with bit 6 or lower, so a downgrade to M176BXXS6CZG7 is blocked. Samsung still serves this file.

Model
SM-M176B
Android
Android 16
Type
Security
Bootloader bit
7
First released
Sep 8, 2026
Regions
2

Rollout timeline by region

The date each region code (CSC) first received M176BXXS7CZH3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
INSIndiaSep 8, 2026day 0M176BXXS7CZH3/M176BODM7CZH3/M176BXXS7CZH3
NPBNepalSep 8, 2026day 0M176BXXS7CZH3/M176BODM7CZH3/M176BXXS7CZH3

Download and release notes

samloader download -m SM-M176B -r INS -v M176BXXS7CZH3/M176BODM7CZH3/M176BXXS7CZH3

Samsung's release notes and security patch level for this update: SM-M176B / INS on doc.samsungmobile.com. What each part of the build number means: decode M176BXXS7CZH3.