S506DLUDSBDUL3 – Galaxy A50 firmware
Build S506DLUDSBDUL3 is a security update for the Galaxy A50 (SM-S506DL)
on Android 11 (One UI 3). It first appeared on Samsung's servers on Dec 30, 2021 (method) and has reached
1 region so far. It raises the bootloader bit from 10 to 11: once installed, the device no longer accepts firmware with bit 10 or lower, so a downgrade to S506DLUDSADUI2 is blocked. Samsung still serves this file.
- Model
- SM-S506DL
- Android
- Android 11
- Type
- Security
- Bootloader bit
- 11
- First released
- Dec 30, 2021
- Regions
- 1
Rollout timeline by region
The date each region code (CSC) first received S506DLUDSBDUL3, counted from the first release.
| CSC | Region | Released | Rollout | Version (PDA/CSC/MODEM) |
|---|---|---|---|---|
TFN | USA (TracFone) | Dec 30, 2021 | day 0 | S506DLUDSBDUL3/S506DLTFNBDUL3/S506DLUDSBDUL3 |
Download and release notes
samloader download -m SM-S506DL -r TFN -v S506DLUDSBDUL3/S506DLTFNBDUL3/S506DLUDSBDUL3
Samsung's release notes and security patch level for this update: SM-S506DL / TFN on doc.samsungmobile.com. What each part of the build number means: decode S506DLUDSBDUL3.