T820XXU3CTK1 – Galaxy Tab S3 firmware

Build T820XXU3CTK1 is a feature update for the Galaxy Tab S3 (SM-T820) on Android 9. It first appeared on Samsung's servers on Dec 8, 2020 (method) and has reached 1 region so far. It keeps bootloader bit 3, so downgrading to the previous build T820XXS3CTG2 is still possible. Samsung still serves this file.

Model
SM-T820
Android
Android 9
Type
Feature
Bootloader bit
3
First released
Dec 8, 2020
Regions
1

Not yet released in 36 regions that are still on an older build: ATO, AUT, BGL, BRI, BTU, CHO, COO, DBT, EUR, ILO, ITV, KOO, LUX, MID and 22 more.

Rollout timeline by region

The date each region code (CSC) first received T820XXU3CTK1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
TGYHong KongDec 8, 2020day 0T820XXU3CTK1/T820ZZH3CTK1/T820XXU3CTK1

Download and release notes

samloader download -m SM-T820 -r TGY -v T820XXU3CTK1/T820ZZH3CTK1/T820XXU3CTK1

Samsung's release notes and security patch level for this update: SM-T820 / TGY on doc.samsungmobile.com. What each part of the build number means: decode T820XXU3CTK1.