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 On5 (SM-G5500)

Build Number : G5500ZCS1ARG1

Android version : Lollipop(Android 5.1.1)

Release Date : 2018-08-31

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

Build Number : G5500ZCU1AQB2

Android version : Lollipop(Android 5.1.1)

Release Date : 2017-03-29

- Other bug fixes
ㆍTurkey time zone mistake is modified.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : G5500ZCU1APK1

Android version : Lollipop(Android 5.1.1)

Release Date : 2016-11-29

- Other bug fixes
ㆍThe unstable Mobile data reception problem of the specific region is modified. ( Tangshan city )
ㆍThe problem that the battery average electric current is high is solved.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : G5500ZCU1APG1

Android version : Lollipop(Android 5.1.1)

Release Date : 2016-08-23

- Improved performance
ㆍTSP(Touch Screen Panel) reacting speed is improved.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : G5500ZCU1APF1

Android version : Lollipop(Android 5.1.1)

Release Date : 2016-07-15

- Other bug fixes
ㆍAn occasional internal device stability issue has been resolved.
- The latest Android security patch has been applied.
ㆍDevice security has been further enhanced.

Build Number : G5500ZCU1APC1

Android version : Lollipop(Android 5.1.1)

Release Date : 2016-03-30

ㆍImprove system performance
ㆍUpgraded front camera firmware version
ㆍApply the Andriod regular security patch.

Build Number : G5500ZCU1AOL2

Android version : Lollipop(Android 5.1.1)

Release Date : 2016-01-16

ㆍImproved occasional stability issue on CP system and display
ㆍImproved power consumption and performance issue caused by certain 3rd party application
ㆍApplied Andriod regular security patch

Build Number : G5500ZCU1AOK2

Android version : Lollipop(Android 5.1.1)

Release Date : 2015-11-06

ㆍDevice stability improvements, bug fixes.
ㆍNew and / or enhanced features.
ㆍFurther improvements to performance.