[Samsung Galaxy M30s Guides, News, & Discussion] andreidi:
Finally checked all the apps one by one and using Root Explorer I deleted these:

app\aasaservice

app\allsharefileshare

app\allsharemediashare

app\basicdreams

app\bcservice

app\bgmprovider

app\bluetoothmidiservice

app\bluetoothtest

app\bookmarkprovider

app\builtinprintservice

app\chrome

app\chromecustomizations

app\clockpackage

app\ctsshimprebuilt

app\drparser

app\easteregg

app\easyonehand3

app/facebook_stub

app\factoryaircommandmanager

app/fbappmanager_ns

app\foundation

app\gameoptimizer

app\gameoptimizerservice

app\gearmanagerstub

app\gmail2

app\googlecalendarsyncadapter

app\googlecontactssyncadapter

app\googleprintrecommendationservice

app\googletts

app\lightweightwebservice

app\maps

app\netflix_stub

app\netflix_activationcommon

app\partnerbookmarksprovider

app\phototable

app\playautoinstallconfig

app\rcssettings

app\safetyinformation

app\samsungcalendar

app\samsungone

app\samsungtts

app\scpmclient_n

app\secfactoryphonetest

app\sechtmlviewer

app\securitylogagent

app\securityproviderSEC

app\setupwizardlegalprovider

app\shortcutbackupservice

app\silentlog

app\simappdialog

app\smartcapture

app\smartfittingservice

app\smartmirroring

app\smartswitchagent

app\smusicpicker

app\splitsoundservice

app\sprintspooler

app\stk

app\stk2

app\sveservice

app\talkback

app\tetheringautomation

app\traceur

app\universalmdmclient

app\videotrimmer

app\wallpaperbackup

app\weather_sep10.1

app\webmanual

app\wifiguider

app\wlantest

app\youtube

priv-app\applock

priv-app\backuprestoreconfirmation

priv-app\beaconmanager

priv-app\calllogbackup

priv-app\carrierconfig

priv-app\carriercodechanger

priv-app\ctsshimprivprebuilt

priv-app\devicequalityagent

priv-app\devicetest

priv-app\diagmonagent

priv-app\easysetup

priv-app/fbinstaller_ns

priv-app/fbservices

priv-app/finder

priv-app\fmm find my phone

priv-app\fotaagent

priv-app\galaxyapps_open

priv-app/GalaxyAppsWidget_Phone_Dream

priv-app\gamehome

priv-app\gametools_dream

priv-app\googlebackuptransport

priv-app\googlerestore

priv-app\hwmoduletest

priv-app\inputdevices

priv-app\ipservice

priv-app\ipsgeofence

priv-app\klmsagent

priv-app\knoxguard

priv-app\knoxvpnproxyhandler

priv-app\logwriter

priv-app\managedprovisioning

priv-app\mateagent

priv-app\medialearningplatform

priv-app\memorysaver_o_refresh

priv-app\modemservicemode

priv-app\multisoundsetting

priv-app\networkdiagnostic

priv-app\nsdswebapp

priv-app\nsfusedlocation_v4.0

priv-app\onedrive_samsung_v3

priv-app\omacp

priv-app\omcagent5

priv-app\phoneerrservice

priv-app\photostudiodavinci_lite

priv-app\preloadinstaller

priv-app\proxyhandler

priv-app\qragent

priv-app\quickboard

priv-app\ringtonebr

priv-app\rubinversion23

priv-app\samsungbilling

priv-app\samsungcloudclient

priv-app\samsungdigitalwellbeing

priv-app\samsungdevicehealthmanagerservice

priv-app\samsungmagnifier3

priv-app\samsungpositioning

priv-app\samsungsocial

priv-app\samsungvideoplayer2016

priv-app\secmyfiles2018

priv-app\secsetupwizard_global

prvv-app\sdmconfig

priv-app\servicemodeapp_fb

priv-app\settingsreceiver

priv-app\sharedstoragebackup

priv-app\smartepdgtestapp

priv-apo\smartmanager both

priv-app\smartswitchassistant

priv-app\soagent

priv-app\sohservice

priv-app\spppushclient

priv-app\statementservice

priv-app\svcagent

priv-app\userdictionaryprovider

priv-app\vpndialogs

priv-app\velvet

manually uninstall from settings-apps:

accesibility android suite

google tts engine

samsung experience service

samsung notes

samsung calculator

samsung voice recorder

samsung my files

not yet removed, still to test:

samsungimev3.5 - samsung keyboard, maybe I will use custom keyboard

hiyaservice - block spam calls service, maybe I will use Truecaller

aodservice_v40 - always on display, maybe I will never use it

blockednumberprovider - add custom blocked telephone numbers, maybe I will never need it

hearingdro_v7_p - adapt sound for age, need to test, maybe I don't need it

smartepdgtestapp - need to test if without this vowifi/volte will work, if not, then do not remove, also check ril services if it still won't work

soundalive_60 - equalizer, sound enhancements, maybe I don't need it