E055FXXS5BYJ1 – Galaxy F05 firmware
Build E055FXXS5BYJ1 is a security update for the Galaxy F05 (SM-E055F)
on Android 15 (One UI 7). It first appeared on Samsung's servers on Oct 28, 2025 (method) and has reached
2 regions so far. It keeps bootloader bit 5, so downgrading to the previous build E055FXXS5BYG9 is still possible. Samsung still serves this file.
- Model
- SM-E055F
- Android
- Android 15
- Type
- Security
- Bootloader bit
- 5
- First released
- Oct 28, 2025
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received E055FXXS5BYJ1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
INS | India | Oct 28, 2025 | day 0 | E055FXXS5BYJ1/E055FODM5BYJ1/E055FXXS5BYG8 |
SLK | Sri Lanka | Oct 28, 2025 | day 0 | E055FXXS5BYJ1/E055FODM5BYJ1/E055FXXS5BYG8 |
Download and release notes
samloader download -m SM-E055F -r INS -v E055FXXS5BYJ1/E055FODM5BYJ1/E055FXXS5BYG8Samsung's release notes and security patch level for this update: SM-E055F / INS on doc.samsungmobile.com. What each part of the build number means: decode E055FXXS5BYJ1.