J337UUES9BUK1 – Galaxy J3 Top firmware
Build J337UUES9BUK1 is a security update for the Galaxy J3 Top (SM-J337U)
on Android 9. It first appeared on Samsung's servers on Nov 29, 2021 (method) and has reached
2 regions so far. It raises the bootloader bit from 8 to 9: once installed, the device no longer accepts firmware with bit 8 or lower, so a downgrade to J337UUEU8BUI4 is blocked. Samsung still serves this file.
- Model
- SM-J337U
- Android
- Android 9
- Type
- Security
- Bootloader bit
- 9
- First released
- Nov 29, 2021
- Regions
- 2
Rollout timeline by region
The date each region code (CSC) first received J337UUES9BUK1, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
XAR | USA (Cellular South) | Nov 29, 2021 | day 0 | J337UUES9BUK1/J337UOYM9BUK1/J337UUES9BUK1 |
XAA | USA (unlocked) | Nov 29, 2021 | day 0 | J337UUES9BUK1/J337UOYM9BUK1/J337UUES9BUK1 |
Download and release notes
samloader download -m SM-J337U -r XAA -v J337UUES9BUK1/J337UOYM9BUK1/J337UUES9BUK1Samsung'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 J337UUES9BUK1.