J337R7WWUABUG3 – Galaxy J3 Top firmware
Build J337R7WWUABUG3 is a feature update for the Galaxy J3 Top (SM-J337R7)
on Android 9. It first appeared on Samsung's servers on Aug 11, 2021 (method) and has reached
1 region so far. It raises the bootloader bit from 9 to 10: once installed, the device no longer accepts firmware with bit 9 or lower, so a downgrade to J337R7WWU9BTJ1 is blocked. Samsung still serves this file.
- Model
- SM-J337R7
- Android
- Android 9
- Type
- Feature
- Bootloader bit
- 10
- First released
- Aug 11, 2021
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received J337R7WWUABUG3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
ACG | USA (C Spire) | Aug 11, 2021 | day 0 | J337R7WWUABUG3/J337R7ACGABUG3/J337R7WWUABUG3 |
Download and release notes
samloader download -m SM-J337R7 -r ACG -v J337R7WWUABUG3/J337R7ACGABUG3/J337R7WWUABUG3Samsung'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 J337R7WWUABUG3.