This update includes improvements to functions as listed below.
The exact changes may differ depending on your device model, country, and service provider.
To get the best from your device, please keep your device up to date and regularly check for software updates.

Galaxy Tab S2 (SM-T819C)

Build Number : T819CZCS3BTH1

Android version : Nougat(Android 7.0)

Release Date : 2020-12-18

Security patch level : 2019-08-01

- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : T819CZCU3BSK1

Android version : Nougat(Android 7.0)

Release Date : 2020-01-02

Security patch level : 2019-08-01

- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : T819CZCU2BSB1

Android version : Nougat(Android 7.0)

Release Date : 2019-04-23

Security patch level : 2019-02-01

- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : T819CZCU2BRG1

Android version : Nougat(Android 7.0)

Release Date : 2018-08-07

Security patch level : 2018-07-01

- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : T819CZCU1BRA3

Android version : Nougat(Android 7.0)

Release Date : 2018-02-23

- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : T819CZCU1BQL3

Android version : Nougat(Android 7.0)

Release Date : 2018-01-05

· OS upgrade - Android 7.0 Nougat
· Provides new UX
· Improved usability of the Notification feature and Quick settings button
· Improved usability of the Multi window and setting menu
· Clock usability has been improved
· Efficient space for installation of downloaded apps, improved speed of system upgrade and app installation
· After upgrade, "Baidu search widget","Baidu Map","Weibo" will be deleted.
· The latest Android security patch has been applied.
- Device security has been further enhanced
· After upgrade to N OS, please re-add Weather widget.

※ Some apps that haven't been optimised for Android Nougat might not work properly after the upgrade. In this case, upgrade the app to the latest version via Galaxy Apps.
※ The functionality of some features may differ after the upgrade. Some apps may not function normally.
※ Errors during the upgrade may cause data loss. Back up any important data before upgrading.

Build Number : T819CZCU1AQF1

Android version : Marshmallow(Android 6.0.1)

Release Date : 2017-07-27

- Improved performance
ㆍWeather widget stability improved.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : T819CZCU1AQC1

Android version : Marshmallow(Android 6.0.1)

Release Date : 2017-04-04

- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : T819CZCU1AQA1

Android version : Marshmallow(Android 6.0.1)

Release Date : 2017-02-14

- Other bug fixes
ㆍFixes an issue that reboots when setting to Knox Container Only mode.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : T819CZCU1APK1

Android version : Marshmallow(Android 6.0.1)

Release Date : 2016-11-28

- Improved performance
ㆍThe problem that I cannot login to WLAN hotspot intermittently is solved.
ㆍThe performance of NFC has been improved
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : T819CZCU1APJ3

Android version : Marshmallow(Android 6.0.1)

Release Date : 2016-11-17

- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : T819CZCU1APF2

Android version : Marshmallow(Android 6.0.1)

Release Date : 2016-06-23

- Other bug fixes
ㆍFixed an issue that could not connect with other devices while using "WLAN Direct"
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.