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 J3 (SM-J3308)

Build Number : J3308ZMU4CUE2

Android version : Pie(Android 9)

Release Date : 2021-06-18

Security patch level : 2020-12-01

The exact changes may differ depending on your device model, country/Region, and service provider.

• Other bug fixes
- Overall stability of functions improved.
• The latest Android security patch has been applied.
- Device security has been further enhanced.

Build Number : J3308ZMS4CUE1

Android version : Pie(Android 9)

Release Date : 2021-05-18

Security patch level : 2020-12-01

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

Build Number : J3308ZMS4CUD1

Android version : Pie(Android 9)

Release Date : 2021-04-26

Security patch level : 2020-12-01

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

Build Number : J3308ZMU4CTK1

Android version : Pie(Android 9)

Release Date : 2020-12-16

Security patch level : 2020-11-01

The exact changes may differ depending on your device model, country/Region, and service provider.

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

Build Number : J3308ZMS4CTG1

Android version : Pie(Android 9)

Release Date : 2020-08-14

Security patch level : 2020-08-01

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

Build Number : J3308ZMS3CTC1

Android version : Pie(Android 9)

Release Date : 2020-04-27

Security patch level : 2020-03-01

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

Build Number : J3308ZMU3CSK4

Android version : Pie(Android 9)

Release Date : 2019-12-17

Security patch level : 2019-09-01

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

Build Number : J3308ZMU3CSK2

Android version : Pie(Android 9)

Release Date : 2019-11-15

Security patch level : 2019-09-01

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

Build Number : J3308ZMU3CSH6

Android version : Pie(Android 9)

Release Date : 2019-09-23

Security patch level : 2019-08-01

Upgraded One UI for Android Pie

One UI brings you Android Pie, with exciting new features and a whole new look and feel based on feedback from users in Samsung and Google.
We recommend that you back up your important data to keep it safe before the upgrade.
Some apps, including Calculator, Samsung Internet, Samsung Health, Samsung Notes,Samsung Member, need to be updated individually after you update your OS.
To use the "Remote Unlock" function in "Find My Mobile" from the Android Pie OS, the screen lock password (or PIN, pattern) backup process is needed. So please be sure to remember the screen lock password (or PIN, pattern) before starting the update process. If you forget the password (or PIN, pattern), do reset it before starting the update process.

Here’s what’s new.

One UI
- Content, settings, and other information have been reorganized to keep you focused on the task at hand.
- Interactive elements have been moved to the bottom of the screen so they're always within reach.
- New designs and features such as Night mode help keep your eyes comfortable.

Notifications
- You can reply to messages directly in the notification panel.
- In an app's notification settings, tap the switch once to turn on or off all the notifications in a category.

Samsung Keyboard
- New Unicode 11.0 emojis are available.
- New adaptive theme changes your keyboard look based on the colors of the surrounding app.
- Floating keyboard is available in all apps and has new size and transparency settings.
- You can set a custom touch and hold delay.

Settings
- Menus have been reorganized to make settings easier to find.

Phone
- Your call history can include up to 2000 entries (increased from 500 entries).

Contacts
- The new drawer menu makes it easier to manage contacts from various accounts.

Camera
- selfmode delete manual beauty mode, added smart beauty mode, you can trun it off at setting.

Gallery
- Photo Editor Pro's editing tools have been added to Gallery, so you can make all your edits and touchups without leaving the app.

My Files
- The new storage analysis tool has been added to help you monitor your storage usage and save space.
- You can now show or hide items on the My Files Home screen.

Samsung Health
- Your daily step count will be shown in the notification panel. To hide it, press and hold the notification, then turn off Current steps.

Other improvements and changes
- Can use 4G even if NON-China Mobile SIM.
- Call stickers has been discontinued.
- Open Calendar, Samsung Video, Wechat Video, Floating Message, Today News page, Quick Clear widget，Message widget were removed.
- Added Smart Lock APP.
- Alipay fingerprint need add agian after upgrade.
- Weather widget will be updated to new version and delete saved city, please add again after upgrade.

Build Number : J3308ZMS3BSD1

Android version : Oreo(Android 8.1.0)

Release Date : 2019-06-05

Security patch level : 2019-04-01

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

Build Number : J3308ZMS2BSA2

Android version : Oreo(Android 8.1.0)

Release Date : 2019-04-04

Security patch level : 2019-01-01

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

Build Number : J3308ZMU2BRJ1

Android version : Oreo(Android 8.1.0)

Release Date : 2018-10-25

Security patch level : 2018-10-01

Samsung Experience 9.0 upgrade

Samsung Experience 9.0 brings you Android Oreo, with exciting new features from Samsung and Google based on feedback from users like you.

We recommend that you back up your important data to keep it safe during the upgrade.
Some apps, including Samsung Internet, Samsung Notes, and Email, should be updated individually before you can update your OS.

Here’s what’s new.

Quick Panel
- Manage notifications for each app with notification categories (supported apps only).
- Icons will be shown at the bottom of the notification panel for notifications that aren't currently visible.

Home Screen
- Touch and hold an app to display shortcuts to common or recommended tasks within the app (supported apps only).
- Notification badges on app icons are linked with the notification panel. Clear a notification in one location, and it will also be cleared in the other location.

Samsung Keyboard
- The GIF keyboard lets you send GIFs.
- More high-contrast keyboards are available.

System Performance
- Background services are limited to improve performance and battery life.
- Currently running apps will always be shown in the notification panel.

Lock Screen
- New clock styles for the Lock screen
- Adjust the transparency of notifications to get the look you want.

Other improvements
- The user settings for Easy mode may be removed on the new OS. You may need to set them again after the OS upgrade.
- The Weather widget version update will remove the Weather widget from the home screen. Drag the Weather widget into the home screen after you update your OS.
- Added the app icon for Samsung Connect.
- Your Lock screen theme may be removed after the new OS version. You may need to select the theme again after the upgrade.

Build Number : J3308ZMU2ARH1

Android version : Nougat(Android 7.1.1)

Release Date : 2018-08-31

Security patch level : 2018-08-01

- Added new feature
ㆍNon-CMCC SIM card also support LTE+WCDMA mode in roaming areas.
- Other bug fixes
ㆍThe stability of the Bluetooth is improved.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : J3308ZMU1ARE1

Android version : Nougat(Android 7.1.1)

Release Date : 2018-05-14

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

Build Number : J3308ZMU1ARD1

Android version : Nougat(Android 7.1.1)

Release Date : 2018-04-24

- Other bug fixes
ㆍAfter entering Wechat, the problem that black screen is displayed on a specific pass is solved.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : J3308ZMU1ARA3

Android version : Nougat(Android 7.1.1)

Release Date : 2018-02-26

- CMCC Video CRBT(Coloring Ring Back Tone) function is added.

Build Number : J3308ZMU1ARA2

Android version : Nougat(Android 7.1.1)

Release Date : 2018-01-18

- Other bug fixes
ㆍFixed an issue that the Message APK will be force closed when input a specific number during message creation.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : J3308ZMU1AQL1

Android version : Nougat(Android 7.1.1)

Release Date : 2017-12-26

- Weather widget will be updated.
( After updating, it is necessary to reset the default setting. )
- The widget "Search 4x1" will be deleted.
- Activiation feature is added, the device must be activiated before using it.
( If there is no connection to the data, the setupwizard can not be ended. )
- Improved performance
ㆍAndpay (和包支付) The stability of the application improved.
( After upgrading, you may need to uninstall incompatible versions and package programs. )
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.