T515NKSU7BUA1 – Galaxy Tab A firmware

Build T515NKSU7BUA1 is a feature update for the Galaxy Tab A (SM-T515N) on Android 10. It first appeared on Samsung's servers on Feb 23, 2021 (method) and has reached 3 regions so far. It raises the bootloader bit from 6 to 7: once installed, the device no longer accepts firmware with bit 6 or lower, so a downgrade to T515NKSS6BTL2 is blocked. Samsung still serves this file.

Model
SM-T515N
Android
Android 10
Type
Feature
Bootloader bit
7
First released
Feb 23, 2021
Regions
3

Rollout timeline by region

The date each region code (CSC) first received T515NKSU7BUA1, counted from the first release.

CSCRegionReleasedRolloutVersion (PDA/CSC/MODEM)
KTCSouth Korea (KT)Feb 23, 2021day 0T515NKSU7BUA1/T515NOKR7BUA1/T515NKOU7BUA1
LUCSouth Korea (LG U+)Feb 23, 2021day 0T515NKSU7BUA1/T515NOKR7BUA1/T515NKOU7BUA1
SKCSouth Korea (SKT)Feb 23, 2021day 0T515NKSU7BUA1/T515NOKR7BUA1/T515NKOU7BUA1

Download and release notes

samloader download -m SM-T515N -r KTC -v T515NKSU7BUA1/T515NOKR7BUA1/T515NKOU7BUA1

Samsung's release notes and security patch level for this update: SM-T515N / KTC on doc.samsungmobile.com. What each part of the build number means: decode T515NKSU7BUA1.