J337UUEU5BTB3 – Galaxy J3 Top firmware

Build J337UUEU5BTB3 is a feature update for the Galaxy J3 Top (SM-J337U) on Android 9. It first appeared on Samsung's servers on Mar 25, 2020 (method) and has reached 2 regions so far. It raises the bootloader bit from 4 to 5: once installed, the device no longer accepts firmware with bit 4 or lower, so a downgrade to J337UUES4BSK1 is blocked. Samsung still serves this file.

Model
SM-J337U
Android
Android 9
Type
Feature
Bootloader bit
5
First released
Mar 25, 2020
Regions
2

Rollout timeline by region

The date each region code (CSC) first received J337UUEU5BTB3, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
XARUSA (Cellular South)Mar 25, 2020day 0J337UUEU5BTB3/J337UOYM5BTB3/J337UUEU5BTB3
XAAUSA (unlocked)Mar 25, 2020day 0J337UUEU5BTB3/J337UOYM5BTB3/J337UUEU5BTB3

Download and release notes

samloader download -m SM-J337U -r XAA -v J337UUEU5BTB3/J337UOYM5BTB3/J337UUEU5BTB3

Samsung's release notes and security patch level for this update: SM-J337U / XAA on doc.samsungmobile.com. What each part of the build number means: decode J337UUEU5BTB3.