M336BZHSGGZB3 – Galaxy M33 5G firmware
Build M336BZHSGGZB3 is a security update for the Galaxy M33 5G (SM-M336B)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Mar 11, 2026 (method) and has reached
2 regions so far. It raises the bootloader bit from 15 to 16: once installed, the device no longer accepts firmware with bit 15 or lower, so a downgrade to M336BZHSFGZA6 is blocked. Samsung still serves this file.
- Model
- SM-M336B
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 16
- First released
- Mar 11, 2026
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received M336BZHSGGZB3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
BRI | Taiwan | Mar 11, 2026 | day 0 | M336BZHSGGZB3/M336BOZSGGZB3/M336BZHSGGZB1 |
TGY | Hong Kong | Mar 11, 2026 | day 0 | M336BZHSGGZB3/M336BOZSGGZB3/M336BZHSGGZB1 |
Download and release notes
samloader download -m SM-M336B -r BRI -v M336BZHSGGZB3/M336BOZSGGZB3/M336BZHSGGZB1
Samsung's release notes and security patch level for this update: SM-M336B / BRI on doc.samsungmobile.com. What each part of the build number means: decode M336BZHSGGZB3.