T820XXU3CTD4 – Galaxy Tab S3 firmware

Build T820XXU3CTD4 is a feature update for the Galaxy Tab S3 (SM-T820) on Android 9. It first appeared on Samsung's servers on May 10, 2020 (method) and has reached 2 regions so far. It keeps bootloader bit 3, so downgrading to the previous build T820XXS3CTD1 is still possible. Samsung still serves this file.

Model
SM-T820
Android
Android 9
Type
Feature
Bootloader bit
3
First released
May 10, 2020
Regions
2

Rollout timeline by region

The date each region code (CSC) first received T820XXU3CTD4, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
BRITaiwanMay 10, 2020day 0T820XXU3CTD4/T820ZZT3CTD4/T820XXU3CTD4
TGYHong KongMay 11, 2020+1 dayT820XXU3CTD4/T820ZZH3CTD4/T820XXU3CTD4

Download and release notes

samloader download -m SM-T820 -r BRI -v T820XXU3CTD4/T820ZZT3CTD4/T820XXU3CTD4

Samsung's release notes and security patch level for this update: SM-T820 / BRI on doc.samsungmobile.com. What each part of the build number means: decode T820XXU3CTD4.