T321XXS1BQB2 – GALAXY Tab PRO firmware

Build T321XXS1BQB2 is a security update for the GALAXY Tab PRO (SM-T321) on Android 4. It first appeared on Samsung's servers on May 18, 2017 (method) and has reached 1 region so far. It keeps bootloader bit 1, so downgrading to the previous build T321ZCS1AQB1 is still possible. Samsung still serves this file.

Model
SM-T321
Android
Android 4
Type
Security
Bootloader bit
1
First released
May 18, 2017
Regions
1

Rollout timeline by region

The date each region code (CSC) first received T321XXS1BQB2, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
SEKUkraineMay 18, 2017day 0T321XXS1BQB2/T321OXE1BNK2/T321XXU1BNK2

Download and release notes

samloader download -m SM-T321 -r SEK -v T321XXS1BQB2/T321OXE1BNK2/T321XXU1BNK2

Samsung's release notes and security patch level for this update: SM-T321 / SEK on doc.samsungmobile.com. What each part of the build number means: decode T321XXS1BQB2.