J720MUBUBCUG1 – Galaxy J7 Duo firmware

Build J720MUBUBCUG1 is a feature update for the Galaxy J7 Duo (SM-J720M) on Android 10. It first appeared on Samsung's servers on Jul 23, 2021 (method) and has reached 5 regions so far. It keeps bootloader bit 11, so downgrading to the previous build J720MUBUBCUE2 is still possible. Samsung still serves this file.

Model
SM-J720M
Android
Android 10
Type
Feature
Bootloader bit
11
First released
Jul 23, 2021
Regions
5

Rollout timeline by region

The date each region code (CSC) first received J720MUBUBCUG1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ZTOBrazilJul 23, 2021day 0J720MUBUBCUG1/J720MOWOBCUF1/J720MUBUBCUF2
BVOBoliviaAug 8, 2021+16 daysJ720MUBUBCUG1/J720MOWOBCUF1/J720MUBUBCUF2
CHOChileAug 12, 2021+20 daysJ720MUBUBCUG1/J720MOWOBCUF1/J720MUBUBCUF2
CRCCosta RicaAug 24, 2021+32 daysJ720MUBUBCUG1/J720MOWABCUG1/J720MUBUBCUF2
TPAPanamaSep 23, 2021+62 daysJ720MUBUBCUG1/J720MOWOBCUF1/J720MUBUBCUF2

Download and release notes

samloader download -m SM-J720M -r ZTO -v J720MUBUBCUG1/J720MOWOBCUF1/J720MUBUBCUF2

Samsung's release notes and security patch level for this update: SM-J720M / ZTO on doc.samsungmobile.com. What each part of the build number means: decode J720MUBUBCUG1.