[Galaxy S6 Q&A, Help & Troubleshooting] Illutorium:
Recovery:

TWRP

only

Root:

Magisk

-----

Kernel's:

S7 Edge Battery:

Kiboi Divine Battery v2.7.1 [non-stucked at 40 minutes as a Stock]

LineageOS:

AldeLOS Kernel - If you had a S7 Edge Battery then will be stuck at 40 minutes...

-----

What can be removes:

From downloads:

Books - Google Play Books

Chrome/ChromeCustomizations - Google Chrome

GalaxyApps_3xh/GalaxyAppsWidget_Phone/CoreApps_SDK - Galaxy Core Apps

Drive - Google Drive

Dropbox_zero - Dropbox

Excel_SamsungStub - Microsoft Excel

Facebook_stub - Facebook

FBInstagram_stub - Instagram

GearManager/GearManagerStub - Galaxy Gear

Hangouts - Google Hangouts

Gmail2 - Google Mail

Maps - Google Maps

MSSkype_stub - Microsoft Skype

Music2 - Google Play Music [UI it's a like as "Spotify",not at Music Player - when AOSP does be better performance']

OneNote_Compact_Samsung - Microsoft OneNote [Absolutely one of a useless.]

Photos - Google+ Photos

PlayGames - Google Play Games

PlusOne - Google+

PowerPoint_SamsungStub - Microsoft PowerPoint

WhatsAppDownloader - WhatsApp

Videos - Google Play Videos

YouTube - YouTube

Word_SamsungStub - Microsoft Word

Craps:

CloudGateway2017/SamsungCloud

FlipboardBriefing

Velvet - Google Searcher

KNOX:

BBCAgent

BCService {HD Voice}

ELMAgent

KnoxAppsUpdateAgent

KnoxAttestationAgent

KnoxFolderContainer2

KnoxRemoteContentsProvider

KnoxSetupWizardClient

KnoxSwitcher

MDMApp

MyKNOXSetupWizard

RCPComponents

SamsungDLPService

SecureFolderStub

SecurityLogAgent

SilentLog

SmartManager_V5_DeviceSecurity

SysScope

UniversalMDMClient

/system/app:

AASAservice

AllshareMediaShare {Wi-Fi Direct}

AntHalService

ANTPlusPlugins

ANTPlusTest

AppLock

BasicDreams

BeamService

BluetoothTest

bootagent

CarmodeStub

ChocoEUKor [Font apk]

CoolEUKor [Font apk]

CtsShimPrebulit

DictDiotek [Outside at Keyboard Dictonary]

DRParser [Calculator]

EasymodeContactsWidget

EdmSimPinService

EdmVpnServices

EpdgService [Absolutely harmful at Stock mode and useless of a Affected at "EasymodeContactsWidget"]

FactoryCameraFB

FBAppManager [Facebook App Manager]

FidoUafClient_v16

FlashAnnotate

GoogleTTS

HighlightPlayer_Grace_N

Hs20Provider {HotSpot 2.0}

ImsSettings

MirrorLink

MobilePrintSvc_Samsung

Newsstand

Omc [About at Brands of XE*]

PartnerBookmarksProvider [Brands Bookmarks]

PhotoTable

QuickConnect

RootPA [Nothing sense]

RoseEUKor

SafetyInformation [About at Headphones Information]

SamsungSans {Font apk}

SamsungTTS

SCPMClient_N

ScrollCapture

SecFactoryPhoneTest

ShareLink

SLocation [Non-Hardware Location]

SmartCallProvider [Doesn't be affect at Normal Calls]

SmartcardService

SmartSwitchAgent

SnsImageCache_N [Cacheing]

STalkback

Stk/Stk2 [SIM Card Addition]

SysScope

UniversalSwitch

VideoCollage_Grace_N

VideoEditorLite_Dream_N

VideoTrimmer_Dream

Weather2017_SE

WeatherWidget2017_SE

WebManual

WfdBroker

withTV {SmartView}

WlanTest

/system/priv-app:

AccessControl_N

ANTRadioService

AssistantMenu_N

AutomationTest_FB

AxelSpringer

BadgeProvider_N

BeaconManager

CMHProvider

ContactsDataMigrator

ContextProvider

Crane [Call+ with a S Note's libraries - xdaforums.com/galaxy-s6/help/q-crane-apk-priv-app-crane-crane-apk-t3592276]

CtsShimPrivPrebuilt

DeviceTest

DeviceKeystring [Binaries of a Useless test than a HwModuleTest]

DiagMonAgent [Updater|If a TWRP'ed then a useless]

EasyLauncher2_Zero [non-Ultra Power Saving Mode,unaffected.]

EasySetup [Of a Easy Launcher]

FaceService

FBInstaller

FidoUafAsm_v16

Fmm [Find My Phone]

FotaAgent

GalaxyThemes

HwModuleTest {*#0*#}

ImsLogger+

ImsService

ImsTelephonyService

IPService [Cropping screener at Images]

KeyguardWallpaperUpdator

KLMSAgent

PersonalPageService

PhoneErrService [It's like as a of "Windows XP" at "Send or not send" useless for a Advance logs.]

ProxyHandler

SamsungAccount_Dream

SamsungBilling

SamsungMagnifier3

SamsungPass_1.1

SamsungPayStub

SamsungVideoList2016

SecLiveWallpapersPicker

SecEmail_N [Stock E-Mail]

serviceModeApp_FB

SKMSAgent

SmartcardManager

SmartFaceService

SmartEpdgTestApp

SNS_v2_N

SOAgent

SPDClient

SPPPushClient_Prod

StoryService

SVoice

SVoicePLM

SVoiceLang_EnglishPack

SVoiceLang_EnglishPack

SVoiceLang_FrenchPack

SVoiceLang_GermanPack

SVoiceLang_ItalianPack

SVoiceLang_RussianPack

SVoiceLang_SpanishPack

ThemeCenter

UIBCVirtualSoftkey

WallpaperCropper [Oldest cropper']

wssyncmlnps2 [OTA's]

VoiceWakeUp

VpnDialogs

Ringtones:

A_Rustling_in_the_Trees.ogg

Basic_Tone.ogg

Beep-Beep.ogg

Beep_Once.ogg

Beginning.ogg

Bunny_Hopping.ogg

Crossing_a_River.ogg

Dance_Party.ogg

Day_by_Day.ogg

Drifting_Downstream.ogg

Ecliptic.ogg

First_Light.ogg

Fresh_Morning.ogg

Mystic_Tone.ogg

Ocean_Voyage.ogg

One_Step_Forward.ogg

On_the_Stage.ogg

Prelude.ogg

Scampering_Tone.ogg

Somewhere.ogg

Sparkling_Melody.ogg

Ticktac.ogg

Warm_Greetings.ogg

Notifications:

Good_Time.ogg

Hello.ogg

S_Good_News.ogg

S_Harmonics.ogg

Sweet_Favour.ogg

Whisper.ogg

-----

What can be a replace:

Gallery2015 + PhotoStudio_WQHD_Grace_Private + DCMService {~60MB} | SamsungVideoPlayer_DreamPreview -> Simple Gallery [com.simplemobiletools.gallery|GNU/GPL] - Can be play on to Hardware {.mp4/.webm}

SBrowser -> Lightning [acr.browser.barebones|GNU/GPL] - Based of Chromium Engine but for stock will be awesome'

SMemo -> Fast Notepad [com.taxaly.noteme.v2] - Because S6 can't be drawn at Pencils unless at a Alumminiums' {as a S5 will be can' of KitKat/Lollipop at without'}

SHealth -> HeartRate [heartrate.sahar.vx.heartrate] + StepsMeter [de.j4velin] - Doesn't be annoyzings and Important: Without clickbait's ads.

Peel Remote [SmartRemote_zero] -> Infrared Remote [com.spinfosystems.irremote] - Maybe that's not at "100% resolve" but doesn't be contain at Ads'

SCalc -> 30kb Calculator [com.gmail.psixgame.intelli.calc] - Straight Fastest calculator ever'

SecMyFiles2017 -> X-Plore [com.lonelycatgames.Xplore] - Dual-Window File Manager

TouchWiz (~5MB) -> ~2-3MB (Pico: <250kb)

-----

What will be keeped:

Ultra Power Saving Mode:

UPSMTheme

EmergencyLauncer

EmergencyModeService

EmergencyProvider [Without it does be affected of wait for "Black Theme"]

Game Launcher:

EnhanceService

Anything who are be a useful things:

OmaCP - SMS Messaging {xdaforums.com/galaxy-s3-t-mobile/help/omacp-app-popping-configuration-messages-t2904678 - More details: https://xdaforums.com/showpost.php?p=38051595&postcount=2}

CSC - of a Frist steps Setup Wizard'

mcRegistry - Without it: Can't be turn on at Normally...

-----

What can be updates without affect:

VoiceNote

GameOptimizer + GameLauncher + GameTools

SamsungCalendar

ClockPackage

-----

Doesn't be detect if be replaced:

Lightweight keyboards instead at IME (~45MB) at a /system/priv-app [unless than will be find to modificate']

-----

You can't be updated anyway even if are be deodexed:

SamsungCamera6

-----

Recommends Tools:

KernelToolkit [com.dsmartapps.root.kerneltweaker]

MaterialTerminal [yarolegovich.materialterminal]

SystemInformation [bg.wreck.system]

-----

Useful Links of a Outside Model:

xdaforums.com/sprint-galaxy-note5/general/ref-t3192726

xdaforums.com/samsung-a-series/development/success-mm-debloater-t3431656

xdaforums.com/note-4/snapdragon-dev/script-touchwiz-bloating-script-222-apps-t3258537

xdaforums.com/tab-s2/development/rom-stock-lite-t3533604