G955FXXUCDZE8 – Galaxy S8+ firmware
Build G955FXXUCDZE8 is a feature update for the Galaxy S8+ (SM-G955F)
on Android 9. It first appeared on Samsung's servers on Aug 13, 2026 (method) and has reached
3 regions so far. It keeps bootloader bit 12, so downgrading to the previous build G955FXXUCDZEA is still possible. Samsung still serves this file.
- Model
- SM-G955F
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 12
- First released
- Aug 13, 2026
- Regions
- 3
Not yet released in 117 regions that are still on an older build: 3IE, AFR, ARO, ATL, ATO, AUT, BGL, BOG, BTU, BVO, CDR, CEL, CGU, CHE and 103 more.
Rollout timeline by region
The date each region code (CSC) first received G955FXXUCDZE8, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
FTM | France (Orange) | Aug 13, 2026 | day 0 | G955FXXUCDZE8/G955FOGCCDUK1/G955FXXUCDUK1 |
OPV | Poland (Orange) | Aug 13, 2026 | day 0 | G955FXXUCDZE8/G955FOGCCDUK1/G955FXXUCDUK1 |
ORO | Romania (Orange) | Aug 13, 2026 | day 0 | G955FXXUCDZE8/G955FOGCCDUK1/G955FXXUCDUK1 |
Download and release notes
samloader download -m SM-G955F -r FTM -v G955FXXUCDZE8/G955FOGCCDUK1/G955FXXUCDUK1Samsung's release notes and security patch level for this update: SM-G955F / FTM on doc.samsungmobile.com. What each part of the build number means: decode G955FXXUCDZE8.