J337R7WWS8BTF1 – Galaxy J3 Top firmware

Build J337R7WWS8BTF1 is a security update for the Galaxy J3 Top (SM-J337R7) on Android 9. It first appeared on Samsung's servers on Jul 15, 2020 (method) and has reached 1 region 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 J337R7WWS7BTE1 is blocked. Samsung still serves this file.

Model
SM-J337R7
Android
Android 9
Type
Security
Bootloader bit
8
First released
Jul 15, 2020
Regions
1

Rollout timeline by region

The date each region code (CSC) first received J337R7WWS8BTF1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
ACGUSA (C Spire)Jul 15, 2020day 0J337R7WWS8BTF1/J337R7ACG8BTF1/J337R7WWS8BTF1

Download and release notes

samloader download -m SM-J337R7 -r ACG -v J337R7WWS8BTF1/J337R7ACG8BTF1/J337R7WWS8BTF1

Samsung's release notes and security patch level for this update: SM-J337R7 / ACG on doc.samsungmobile.com. What each part of the build number means: decode J337R7WWS8BTF1.