J810GFDDU6CUI1 – Galaxy J8 firmware

Build J810GFDDU6CUI1 is a feature update for the Galaxy J8 (SM-J810GF) on Android 10. It first appeared on Samsung's servers on Dec 8, 2021 (method) and has reached 1 region so far. It raises the bootloader bit from 5 to 6: once installed, the device no longer accepts firmware with bit 5 or lower, so a downgrade to J810GFDDU5CUF2 is blocked. Samsung still serves this file.

Model
SM-J810GF
Android
Android 10
Type
Feature
Bootloader bit
6
First released
Dec 8, 2021
Regions
1

Rollout timeline by region

The date each region code (CSC) first received J810GFDDU6CUI1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
INSIndiaDec 8, 2021day 0J810GFDDU6CUI1/J810GFODI6CUI1/J810GFDDU6CUI1

Download and release notes

samloader download -m SM-J810GF -r INS -v J810GFDDU6CUI1/J810GFODI6CUI1/J810GFDDU6CUI1

Samsung's release notes and security patch level for this update: SM-J810GF / INS on doc.samsungmobile.com. What each part of the build number means: decode J810GFDDU6CUI1.