G611FFDDU4CTL2 – Galaxy J7 Prime 2 firmware

Build G611FFDDU4CTL2 is a feature update for the Galaxy J7 Prime 2 (SM-G611FF) on Android 9. It first appeared on Samsung's servers on Dec 23, 2020 (method) and has reached 1 region so far. It raises the bootloader bit from 3 to 4: once installed, the device no longer accepts firmware with bit 3 or lower, so a downgrade to G611FFDDS3CTH1 is blocked. Samsung still serves this file.

Model
SM-G611FF
Android
Android 9
Type
Feature
Bootloader bit
4
First released
Dec 23, 2020
Regions
1

Rollout timeline by region

The date each region code (CSC) first received G611FFDDU4CTL2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
INSIndiaDec 23, 2020day 0G611FFDDU4CTL2/G611FFODI4CTL1/G611FFDDU4CTL1

Download and release notes

samloader download -m SM-G611FF -r INS -v G611FFDDU4CTL2/G611FFODI4CTL1/G611FFDDU4CTL1

Samsung's release notes and security patch level for this update: SM-G611FF / INS on doc.samsungmobile.com. What each part of the build number means: decode G611FFDDU4CTL2.