G950FXXUCDZEH – Galaxy S8 firmware

Build G950FXXUCDZEH is a feature update for the Galaxy S8 (SM-G950FD) on Android 9. It first appeared on Samsung's servers on Jul 23, 2026 (method) and has reached 1 region so far. It keeps bootloader bit 12, so downgrading to the previous build G950FXXUCDZEE is still possible. Samsung still serves this file.

Model
SM-G950FD
Android
Android 9
Type
Feature
Bootloader bit
12
First released
Jul 23, 2026
Regions
1

Rollout timeline by region

The date each region code (CSC) first received G950FXXUCDZEH, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ZVVBrazil (Vivo)Jul 23, 2026day 0G950FXXUCDZEH/G950FOWTCDZE2/G950FXXUCDUD3

Download and release notes

samloader download -m SM-G950FD -r ZVV -v G950FXXUCDZEH/G950FOWTCDZE2/G950FXXUCDUD3

Samsung's release notes and security patch level for this update: SM-G950FD / ZVV on doc.samsungmobile.com. What each part of the build number means: decode G950FXXUCDZEH.