T540XXS4CWG4 – Galaxy Tab Active Pro firmware

Build T540XXS4CWG4 is a security update for the Galaxy Tab Active Pro (SM-T540) on Android 11 (One UI 3). It first appeared on Samsung's servers on Jul 18, 2023 (method) and has reached 17 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 T540XXU3CWC5 is blocked. Samsung still serves this file.

Model
SM-T540
Android
Android 11
Type
Security
Bootloader bit
4
First released
Jul 18, 2023
Regions
17

Rollout timeline by region

The date each region code (CSC) first received T540XXS4CWG4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BTUUnited KingdomJul 18, 2023day 0T540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
ITVItalyJul 20, 2023+2 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
XEHHungaryJul 20, 2023+2 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
EURGreeceJul 20, 2023+2 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
DBTGermanyJul 20, 2023+2 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
XEFFranceJul 20, 2023+2 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
XEZCzech RepublicJul 20, 2023+2 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
ATOAustriaJul 20, 2023+2 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
AUTSwitzerlandJul 24, 2023+6 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
PHESpainJul 24, 2023+6 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
ROMRomaniaJul 24, 2023+6 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
SIOSloveniaJul 24, 2023+6 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
TPHPortugalJul 24, 2023+6 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
XARUSA (Cellular South)Jul 25, 2023+7 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
XNZNew ZealandJul 26, 2023+8 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
XSAAustraliaJul 26, 2023+8 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4
XJPJapanAug 1, 2023+14 daysT540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4

Download and release notes

samloader download -m SM-T540 -r DBT -v T540XXS4CWG4/T540OXM4CWG4/T540XXS4CWG4

Samsung's release notes and security patch level for this update: SM-T540 / DBT on doc.samsungmobile.com. What each part of the build number means: decode T540XXS4CWG4.