G950FXXUCDZEG – Galaxy S8 firmware
Build G950FXXUCDZEG is a feature update for the Galaxy S8 (SM-G950FD)
on Android 9. It first appeared on Samsung's servers on Jun 10, 2026 (method) and has reached
3 regions so far. It keeps bootloader bit 12, so downgrading to the previous build G950FXXUCDZC3 is still possible. Samsung still serves this file.
- Model
- SM-G950FD
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 12
- First released
- Jun 10, 2026
- Regions
- 3
Rollout timeline by region
The date each region code (CSC) first received G950FXXUCDZEG, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ZTO | Brazil | Jun 10, 2026 | day 0 | G950FXXUCDZEG/G950FOXMCDZEF/G950FXXUCDUE1 |
BVO | Bolivia | Aug 3, 2026 | +54 days | G950FXXUCDZEG/G950FUWBCDZE3/G950FXXUCDUE1 |
ZTR | Brazil (Oi) | Aug 3, 2026 | +54 days | G950FXXUCDZEG/G950FOTRCDZE1/G950FXXUCDUE1 |
Download and release notes
samloader download -m SM-G950FD -r ZTO -v G950FXXUCDZEG/G950FOXMCDZEF/G950FXXUCDUE1Samsung's release notes and security patch level for this update: SM-G950FD / ZTO on doc.samsungmobile.com. What each part of the build number means: decode G950FXXUCDZEG.