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 A21 (SC-42A)

Build Number : SC42AOMU1BVH1

Android version : R(Android 11)

Release Date : 2022-10-17

Security patch level : 2022-09-01

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

Build Number : SC42AOMU1BVG2

Android version : R(Android 11)

Release Date : 2022-08-09

Security patch level : 2022-07-01

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

Build Number : SC42AOMU1BVE2

Android version : R(Android 11)

Release Date : 2022-06-30

Security patch level : 2022-05-01

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

Build Number : SC42AOMU1BVC1

Android version : R(Android 11)

Release Date : 2022-04-11

Security patch level : 2022-03-01

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

Build Number : SC42AOMU1BUK1

Android version : R(Android 11)

Release Date : 2021-12-21

Security patch level : 2021-12-01

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

Build Number : SC42AOMU1BUJ1

Android version : R(Android 11)

Release Date : 2021-11-11

Security patch level : 2021-10-01

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

Build Number : SC42AOMU1BUF1

Android version : R(Android 11)

Release Date : 2021-07-19

Security patch level : 2021-06-01

・Device stability improvements, bug fixes.
・New and / or enhanced features.
・Further improvements to performance.
・Get all your messages in one place
　Respond to and control your conversations across multiple messaging apps. All in the same spot.
・Enhanced security
　More control over the privacy information used in apps.

・Please back up your data before upgrading.
・After the software is upgraded, downgrading to the original version is not available.
・Please update applications after the software is upgraded.

*Some apps will need to be updated separately after the software upgrade.
*App copies made using Dual messenger can no longer access SD card files directly. To share SD card files in an app copy, select the files in Gallery or My Files, tap Share, then select the app copy.
*You can no longer use Wi-Fi Direct to send files to other devices. You can use Nearby Share instead. You can still receive files using Wi-Fi Direct.
*You can no longer connect to Chromecast using Smart View. You can use Google Home instead.

Build Number : SC42AOMU1AUC2

Android version : Q(Android 10)

Release Date : 2021-07-02

Security patch level : 2021-03-01

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

Build Number : SC42AOMU1AUC2

Android version : Q(Android 10)

Release Date : 2021-04-21

Security patch level : 2021-03-01

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

Build Number : SC42AOMU1AUA2

Android version : Q(Android 10)

Release Date : 2021-03-03

Security patch level : 2021-01-01

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.

Build Number : SC42AOMU1ATK1

Android version : Q(Android 10)

Release Date : 2020-12-21

Security patch level : 2020-11-01

· Device stability improvements, bug fixes.
· New and / or enhanced features.
· Further improvements to performance.