E546BXXSFFZH3 – Galaxy F54 5G firmware
Build E546BXXSFFZH3 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 Sep 10, 2026 (method) and has reached
2 regions so far. It raises the bootloader bit from 14 to 15: once installed, the device no longer accepts firmware with bit 14 or lower, so a downgrade to E546BXXSEFZG3 is blocked. Samsung still serves this file.
- Model
- SM-E546B
- Android
- Android 16
- Type
- Security
- Bootloader bit
- 15
- First released
- Sep 10, 2026
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received E546BXXSFFZH3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
INS | India | Sep 10, 2026 | day 0 | E546BXXSFFZH3/E546BODMFFZH3/E546BXXSFFZH3 |
NPB | Nepal | Sep 10, 2026 | day 0 | E546BXXSFFZH3/E546BODMFFZH3/E546BXXSFFZH3 |
Download and release notes
samloader download -m SM-E546B -r INS -v E546BXXSFFZH3/E546BODMFFZH3/E546BXXSFFZH3Samsung'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 E546BXXSFFZH3.