T387R4TYS4CUE1 – Galaxy Tab A firmware

Build T387R4TYS4CUE1 is a security update for the Galaxy Tab A (SM-T387R4) on Android 10. It first appeared on Samsung's servers on Jun 4, 2021 (method) and has reached 1 region so far. It raises the bootloader bit from 3 to 4: once installed, the device no longer accepts firmware with bit 3 or lower, so a downgrade to T387R4TYS3CTJ1 is blocked. Samsung still serves this file.

Model
SM-T387R4
Android
Android 10
Type
Security
Bootloader bit
4
First released
Jun 4, 2021
Regions
1

Rollout timeline by region

The date each region code (CSC) first received T387R4TYS4CUE1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
USCUSA (US Cellular)Jun 4, 2021day 0T387R4TYS4CUE1/T387R4USC4CUE1/T387R4TYS4CUE1

Download and release notes

samloader download -m SM-T387R4 -r USC -v T387R4TYS4CUE1/T387R4USC4CUE1/T387R4TYS4CUE1

Samsung's release notes and security patch level for this update: SM-T387R4 / USC on doc.samsungmobile.com. What each part of the build number means: decode T387R4TYS4CUE1.