S^4 Xeon 3.0 is the CFW made by Xeon for all N8 Users Like Me 
S^4 Xeon is Based on the Latest Belle Leak of 111.040.0904 by Taylor.
Change log of S^4 Xeon 3.0
-Nokia Browser 8.3.1.1
-FP1 Task Manager
-Update Nokia Drop 1.4.12154
-Update PixiEnablers Components
-Better management GUI/Effects
-Office Mobile Suite Ready to Install
-Added metadata editing mod
-Sytem folders of E:\ - F:\ now visible in File Manager
-Modded status bar v2
-Added new patches:
+Open4All
+Remove Recording Tone
-Update Widgets
-Fix/Update UDA
-Fix/update to the CenRep
-Sound Improvements 3.1
-Update Maps Suite
-Update Resource Files 3rd party apps
-Fix Keyboard Layout
-Update E:\Tool\* :
-Update System Plugins
-New: ToggleWidgetsStyle.sis
-Update Matrixmenudata
-Restore default toggle widgets
-New wallpapers (Thanks to Niccolo830)
-S^4 Style for Menu Icon (Thanks to Broker78)
-Some system fix
Change log of S^4 Xeon 3.0.1
-Added Sound Improvements 3.1
-Fixed Nokia Mail client
Change log of S^4 Xeon 3.2.0
-Fix Photo-Video Editor
-Improved system stability
-Better GUI management
-Fix USB Connection (Only En version)
-Fix Equalizer Presets
-Fix Remote Lock
-Fix language selection issue in Xplore
-Update Guardian 4.01
-QT Components 1.1 integrated (Backward compatibility with some apps)
-New: *UDA & Flash Tool integrated
-New: FlipClockStyle.sis in E:\Tool\
-Fix opening Weather App from Widget
-New patch added: ReadCRoot (Read system folder from C in FileManager)
-Update :ToggleWidgetsStyle.sis in E:\Tool\
Change log of S^4 Xeon 3.2.1
-Fix auto-install Guardian
-Fix Office Suite
-Update Weather Widget
-Update Nokia notification package
-New: Fast Installer* (Icon Starter)
*Fast Installer: Fast installation of .SIS/SISX files
-Insert installation files in :
-E:\Auto-Install\C\ to install up to 30 apps* in the Drive C
-E:\Auto-Install\E\ to install up to 50 apps* in the Drive E
-Not support automatic installation in Drive F
*You must rename installation files in numerical order by 1 to 30 for Drive C and by 1 to 50 for Drive F
-Example: 1.sis/1.sisx ; 2.sis/2.sisx ; 3.sis/3.sisx ; ecc... and then insert renamed files into their respective folder.
Change log of S^4 Xeon 3.2.2
-Update Nokia PT
-Update UDA Tool 1.1
-Sound Improvements 3.2
-Update E:\Tool\*.sis
-Radio in landscape
-Enable\*Disable notifications in the top bar for Nokia Pulse/Drop (Starter Icon)
-Some system fix
Change log of S^4 Xeon 3.3
-New theme Nokia Evolve S^4
-Update Nokia Social 1.5.216
-Update Nokia Store 3.30.012
-Update PixEnablers Components
-Update Gps Info QT 1.4.9
-Layout keyboard 808 + S^4 Style
-New Widgets Clock : Enable/Disable(Default) from Starter icon
-New patches for Rom Patcher
-Dolby Digital Mod
-Added new Widgets
-Fix/Update UDA
-Icon "Reboot" available as shortcut in Homescreen
-Update 3rd party apps
-Update Startup animation
-Added new Wallpapers
-Fix/update CenRep
-Sound Improvements 3.3
-Update E:\Tool\*.sis
-Update System plugins
-Update Screensaver
-Integrated MIF Editor (svg,svgb,nvg)
-New Plugin TweakS: Allarm Snooze
-Update Matrixmenudata
-Conversations FP1 Style
-Update Statusbar icons FP1 style
-New equalizer Presets: Dobly Digital
-Icon Enable/Disable Sensor available as shortcut in Homescreen
-Update subname apps
-Update WDG Bookmarks/Feed
-Update UDA/Fast-Installer Tools
-Update Nokia Transport 2.1
-Improved Gui\Effects management
-Improved Performance and system stability
-RAM (Boot) 135+ MB
-Some system fix
Change log of S^4 Xeon 3.3.1
-Fix Sound Balance
-Fix Birthday Manager
-Fix conversation style
-Birthday manager integrated in Contacts
-Fix MatrixMenuData
-Update Avkon
-Update E:\Tool\*sis
Note: Users on 3.3 version, follow the below procedure to avoid loss of data if you wish to flash to 3.3.1
1.Download all three files of 3.3.1
2.Unzip and put them all in the folder RM-596 in Phoenix
3.Start the usual procedure for the flash
4.After popped up on "Dead Phone USB" and clicked in the options must delete the following files:
* RM-596_M002.50.emmc.fpsx (files in red)
* RM-596_111.040.0904_U01.01_79u.uda.fpsx
5.Click OK
6.Click on "SOFTWARE UPDADE"
7.Connect the phone turned off and wait until the process ends.
8.Wait until the phone restarts, and you will have 3.3.1 installed.
Notice that the procedure for software update is available only for those who have already installed the 3.3, for those who had a previous version mode will just refurbish.
Something you'll need to know after you flash with this CFW:
If you need to revert back to your original fw or any other cfw which is based on 111.030.0609, you'll need to downgrade as this is a higher version.
To downgrade follow this tutorial
Thanks to everyone for reading my post |Do comment if you have any queries 
From Xeon, Creator of S^4 Xeon CFW:
I remind you that, I take NO responsibility in case of damage/problems of any kind arising from the Flash/Using this firware on your Device
Screen Shots taken by Myself
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