S205DLUDSBCUJ1 – Galaxy A20 firmware

Build S205DLUDSBCUJ1 is a security update for the Galaxy A20 (SM-S205DL) on Android 11 (One UI 3). It first appeared on Samsung's servers on Oct 28, 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 S205DLUDUACUG8 is blocked. Samsung still serves this file.

Model
SM-S205DL
Android
Android 11
Type
Security
Bootloader bit
11
First released
Oct 28, 2021
Regions
1

Rollout timeline by region

The date each region code (CSC) first received S205DLUDSBCUJ1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
TFNUSA (TracFone)Oct 28, 2021day 0S205DLUDSBCUJ1/S205DLTFNBCUJ1/S205DLUDSBCUJ1

Download and release notes

samloader download -m SM-S205DL -r TFN -v S205DLUDSBCUJ1/S205DLTFNBCUJ1/S205DLUDSBCUJ1

Samsung's release notes and security patch level for this update: SM-S205DL / TFN on doc.samsungmobile.com. What each part of the build number means: decode S205DLUDSBCUJ1.