J727UUES8BTF3 – Galaxy J7 firmware

Build J727UUES8BTF3 is a security update for the Galaxy J7 (SM-J727U) on Android 8. It first appeared on Samsung's servers on Jul 8, 2020 (method) and has reached 2 regions so far. It raises the bootloader bit from 7 to 8: once installed, the device no longer accepts firmware with bit 7 or lower, so a downgrade to J727UUES7BSK2 is blocked. Samsung still serves this file.

Model
SM-J727U
Android
Android 8
Type
Security
Bootloader bit
8
First released
Jul 8, 2020
Regions
2

Rollout timeline by region

The date each region code (CSC) first received J727UUES8BTF3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
XARUSA (Cellular South)Jul 8, 2020day 0J727UUES8BTF3/J727UOYM8BTF3/J727UUES8BTF3
XAAUSA (unlocked)Jul 8, 2020day 0J727UUES8BTF3/J727UOYM8BTF3/J727UUES8BTF3

Download and release notes

samloader download -m SM-J727U -r XAA -v J727UUES8BTF3/J727UOYM8BTF3/J727UUES8BTF3

Samsung's release notes and security patch level for this update: SM-J727U / XAA on doc.samsungmobile.com. What each part of the build number means: decode J727UUES8BTF3.