E055FXXU5CYJ4 – Galaxy F05 firmware
Build E055FXXU5CYJ4 is a feature update for the Galaxy F05 (SM-E055F)
on Android 16 (One UI 8). It first appeared on Samsung's servers on Nov 2, 2025 (method) and has reached
2 regions so far. It keeps bootloader bit 5, so downgrading to the previous build E055FXXS5BYJ1 is still possible. Samsung still serves this file.
- Model
- SM-E055F
- Android
- Android 16
- Type
- Feature
- Bootloader bit
- 5
- First released
- Nov 2, 2025
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received E055FXXU5CYJ4, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
INS | India | Nov 2, 2025 | day 0 | E055FXXU5CYJ4/E055FODM5CYJ4/E055FXXU5CYJ4 |
SLK | Sri Lanka | Nov 24, 2025 | +22 days | E055FXXU5CYJ4/E055FODM5CYK1/E055FXXU5CYJ4 |
Download and release notes
samloader download -m SM-E055F -r INS -v E055FXXU5CYJ4/E055FODM5CYJ4/E055FXXU5CYJ4Samsung'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 E055FXXU5CYJ4.