[Samsung Galaxy A3, A5, A7 (2017) Themes, Apps, and] kubura2999:
This features are the same like in my previous thread for hidden features on Nougat.

https://xdaforums.com/samsung-a-series-2017/themes/enable-hidden-csc-features-a520f-n-t3704161?nocache=1

So if you read that thread you know what to do, because instalation proces was the same for me. There are only few difrences from Nougat, like no preformance mod and no hearing aids. And iv been reading about some new omc folders insted of csc folders, but for me everything was the same.

Iv tested on stock A520FXXU4CRD5 from my country carrier, downloaded from sammobile.

Now you have a flashable zip which worked on my phone it should work on yours too.

If it dosent work, then extract the files on your phone and manualy move your files and give the right permissions (you have to be rooted offcourse and have file manager like RootExplorer to do this).

I was hesitating to put a flashable zip because there are allways some problems with people complaining that this dosent work and that dosent work. But we all have the same phone so it should work on all A520f stock rooted phones and probably some custom stock roms too, but you need to test that yourself.

And if you enter them manualy on your phone at least you will learn some realy basic stuff and know what to do if you have problems.

Anyway...

To my phone nothing happend but i still need to say that you are Flashing it at your own Risk!

I won't be held accountable if something happens to your phone if you lost your data so Dont forget to backup your phone before flashing!!!

Features you should get with flashable zip are:

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1. Floating messages

2. Record calls

3.Show network speed

4.Data Usage View in QuickPanel

5.Data Usage Notification

6.UltraDataSavingMod (data compression works only with Opera Max)

7.Camera Shutter sound on/of in camera options.

8.AppLock now with more options.

10.SClean

11.ScreenRecord (options only accessible from QPannel)

12.CaptureScreen/snapshoot (options only accessible from QPannel)

13.Secure WiFi (works only with Opera Max, and privacy on)

14.UHQ Upscaler quick pannel toggel

15.S Bike Mod

16.Places option on keypad

17.Advanced WiFi Menu

18.Messages with more options

19.VoLte quick pannel toggel (i dont think it works, you need more lines and files to work, and depends of your provider)

20. Enhanced LTE services, Toast SIM unlock...

21.LiveMessages in samsung keyboard

22.Caller ID and spam protection

23.NumberFormatting disabled

24.PowerPlanning--NEW

25.HomeMode(screensaver option) --NEW

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And these lines you need to enter manualy on the end of your floating_feature.xml which is located in your system etc folder and you should get:

1. S pen features( needed if you want to use AirCommand)

2. In Samsung video options, but in option that apear when you press play on video,

you should see Video Enhancer option. Download Samsung video from Galaxy apps.

<SEC_FLOATING_FEATURE_SETTINGS_SUPPORT_S_PEN_AIR_VIEW>TRUE</SEC_FLOATING_FEATURE_SETTINGS_SUPPORT_S_PEN_AIR_VIEW>

<SEC_FLOATING_FEATURE_SETTINGS_SUPPORT_S_PEN_GESTURE>TRUE</SEC_FLOATING_FEATURE_SETTINGS_SUPPORT_S_PEN_GESTURE>

<SEC_FLOATING_FEATURE_SETTINGS_SUPPORT_S_PEN_HOVERING>TRUE</SEC_FLOATING_FEATURE_SETTINGS_SUPPORT_S_PEN_HOVERING>

<SEC_FLOATING_FEATURE_SETTINGS_SUPPORT_S_PEN_HOVERING_N_DETACHMENT>TRUE</SEC_FLOATING_FEATURE_SETTINGS_SUPPORT_S_PEN_HOVERING_N_DETACHMENT>

<SEC_FLOATING_FEATURE_COMMON_SUPPORT_HDR_EFFECT>TRUE</SEC_FLOATING_FEATURE_COMMON_SUPPORT_HDR_EFFECT>

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Enter these lines on the bootom of your Build.prop and you should get Multiuser option:

#Multiuser

fw.max_users=30

fw.show_multiuserui=1

fw.show_hidden_users=1

fw.power_user_switcher=1

Instalation:

1. FIRST ALWAYS MAKE BACKUP OF YOUR SYSTEM AND DATA BEFORE FLASHING THE ZIP!!

2. Download the zip, restart in recovery and flash the zip, wipe dalvik/cache and restart.

You will have to wait few minutes for android to upgrade.

https://drive.google.com/file/d/1xLnFI-I1gYsjKA9oj54EIJPUdcG9m0iO/view?usp=sharing

UPDATE FOR PIE ! ! !

https://xdaforums.com/showpost.php?p=81663139&postcount=24