J400MUBSECVF2 – Galaxy J4 firmware

Build J400MUBSECVF2 is a security update for the Galaxy J4 (SM-J400M) on Android 10. It first appeared on Samsung's servers on Jun 30, 2022 (method) and has reached 1 region so far. It keeps bootloader bit 14, so downgrading to the previous build J400MUBSECVF1 is still possible. Samsung still serves this file.

Model
SM-J400M
Android
Android 10
Type
Security
Bootloader bit
14
First released
Jun 30, 2022
Regions
1

Rollout timeline by region

The date each region code (CSC) first received J400MUBSECVF2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
PSNArgentina (Personal)Jun 30, 2022day 0J400MUBSECVF2/J400MOWBECUL8/J400MUBSECVF2

Download and release notes

samloader download -m SM-J400M -r PSN -v J400MUBSECVF2/J400MOWBECUL8/J400MUBSECVF2

Samsung's release notes and security patch level for this update: SM-J400M / PSN on doc.samsungmobile.com. What each part of the build number means: decode J400MUBSECVF2.