T837R4TYS4CTI1 – Galaxy Tab S4 firmware

Build T837R4TYS4CTI1 is a security update for the Galaxy Tab S4 (SM-T837R4) on Android 10. It first appeared on Samsung's servers on Oct 15, 2020 (method) and has reached 1 region so far. It keeps bootloader bit 4, so downgrading to the previous build T837R4TYU4CTH5 is still possible. Samsung still serves this file.

Model
SM-T837R4
Android
Android 10
Type
Security
Bootloader bit
4
First released
Oct 15, 2020
Regions
1

Rollout timeline by region

The date each region code (CSC) first received T837R4TYS4CTI1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
USCUSA (US Cellular)Oct 15, 2020day 0T837R4TYS4CTI1/T837R4USC4CTI1/T837R4TYS4CTI1

Download and release notes

samloader download -m SM-T837R4 -r USC -v T837R4TYS4CTI1/T837R4USC4CTI1/T837R4TYS4CTI1

Samsung's release notes and security patch level for this update: SM-T837R4 / USC on doc.samsungmobile.com. What each part of the build number means: decode T837R4TYS4CTI1.