T380DXU4CUA2 – GALAXY Tab A firmware

Build T380DXU4CUA2 is a feature update for the GALAXY Tab A (SM-T380) on Android 9. It first appeared on Samsung's servers on Feb 9, 2021 (method) and has reached 14 regions 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 T380DXS3CTK2 is blocked. Samsung still serves this file.

Model
SM-T380
Android
Android 9
Type
Feature
Bootloader bit
4
First released
Feb 9, 2021
Regions
14

Rollout timeline by region

The date each region code (CSC) first received T380DXU4CUA2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
XNZNew ZealandFeb 9, 2021day 0T380DXU4CUA2/T380XNZ4CUA2/T380DXU4CUA2
XSAAustraliaFeb 9, 2021day 0T380DXU4CUA2/T380XSA4CUA2/T380DXU4CUA2
XSPSingaporeFeb 9, 2021day 0T380DXU4CUA2/T380OLB4CUA2/T380DXU4CUA2
TGYHong KongFeb 16, 2021+7 daysT380DXU4CUA2/T380ZZH4CUA2/T380DXU4CUA2
XACCanadaMar 2, 2021+21 daysT380DXU4CUA2/T380XAC4CUA2/T380DXU4CUA2
XARUSA (Cellular South)Mar 2, 2021+21 daysT380DXU4CUA2/T380XAR4CUA2/T380DXU4CUA2
PHNNetherlandsMar 21, 2021+40 daysT380DXU4CUA2/T380PHN4CUA2/T380DXU4CUA2
ATOAustriaMar 21, 2021+40 daysT380DXU4CUA2/T380ATO4CUA2/T380DXU4CUA2
TPHPortugalMar 23, 2021+42 daysT380DXU4CUA2/T380TPH4CUA2/T380DXU4CUA2
ITVItalyMar 23, 2021+42 daysT380DXU4CUA2/T380ITV4CUA2/T380DXU4CUA2
XEFFranceMar 23, 2021+42 daysT380DXU4CUA2/T380XEF4CUA2/T380DXU4CUA2
XEOPolandMar 23, 2021+42 daysT380DXU4CUA2/T380XEO4CUA2/T380DXU4CUA2
SEKUkraineApr 12, 2021+62 daysT380DXU4CUA2/T380OXE4CUA2/T380DXU4CUA2
SERRussiaApr 12, 2021+62 daysT380DXU4CUA2/T380OXE4CUA2/T380DXU4CUA2

Download and release notes

samloader download -m SM-T380 -r XSA -v T380DXU4CUA2/T380XSA4CUA2/T380DXU4CUA2

Samsung's release notes and security patch level for this update: SM-T380 / XSA on doc.samsungmobile.com. What each part of the build number means: decode T380DXU4CUA2.