E546BXXSEFZG3 – Galaxy F54 5G firmware
Build E546BXXSEFZG3 is a security update for the Galaxy F54 5G (SM-E546B)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Aug 6, 2026 (method) and has reached
2 regions so far. It raises the bootloader bit from 12 to 14: once installed, the device no longer accepts firmware with bit 12 or lower, so a downgrade to E546BXXUCFZE5 is blocked. Samsung still serves this file.
- Model
- SM-E546B
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 14
- First released
- Aug 6, 2026
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received E546BXXSEFZG3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
INS | India | Aug 6, 2026 | day 0 | E546BXXSEFZG3/E546BODMEFZG3/E546BXXSEFZG3 |
NPB | Nepal | Aug 6, 2026 | day 0 | E546BXXSEFZG3/E546BODMEFZG3/E546BXXSEFZG3 |
Download and release notes
samloader download -m SM-E546B -r INS -v E546BXXSEFZG3/E546BODMEFZG3/E546BXXSEFZG3
Samsung's release notes and security patch level for this update: SM-E546B / INS on doc.samsungmobile.com. What each part of the build number means: decode E546BXXSEFZG3.