M346BXXUCFZE6 – Galaxy M34 5G firmware
Build M346BXXUCFZE6 is a feature update for the Galaxy M34 5G (SM-M346B)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Jun 8, 2026 (method) and has reached
4 regions so far. It keeps bootloader bit 12, so downgrading to the previous build M346BXXSCEZD8 is still possible. Samsung still serves this file.
- Model
- SM-M346B
- Android
- Android 16
- Type
- Feature
- Bootloader bit
- 12
- First released
- Jun 8, 2026
- Regions
- 4
Rollout timeline by region
The date each region code (CSC) first received M346BXXUCFZE6, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
INS | India | Jun 8, 2026 | day 0 | M346BXXUCFZE6/M346BODMCFZE6/M346BXXUCFZE6 |
CHO | Chile | Jun 15, 2026 | +7 days | M346BXXUCFZE6/M346BOWOCFZE6/M346BXXUCFZE6 |
COO | Colombia | Jun 15, 2026 | +7 days | M346BXXUCFZE6/M346BOWOCFZE6/M346BXXUCFZE6 |
ZTO | Brazil | Jun 16, 2026 | +8 days | M346BXXUCFZE6/M346BOWOCFZE6/M346BXXUCFZE6 |
Download and release notes
samloader download -m SM-M346B -r INS -v M346BXXUCFZE6/M346BODMCFZE6/M346BXXUCFZE6Samsung's release notes and security patch level for this update: SM-M346B / INS on doc.samsungmobile.com. What each part of the build number means: decode M346BXXUCFZE6.