Clean OS 4 [ROM] (Stock based ROM) (Exynos,Snap4g,Snap5g)

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madadictromtester

Senior Member
Nov 8, 2016
126
157
Samsung Galaxy S20 FE
Clean OS by Ayan

This rom is based on stock OneUI for Galaxy S20 FE. It is based on November patch but I assuring monthly updates whenever next month's security patch is released.
Visually its no different from the stock rom as I have not changed any thing drastic to maintain stability. Purpose for building this is that it is TWRP Flashable and it can be used to flash stock rom over a GSI without needing to flash everything from ODIN.

Please Note

* INSTALL THIS ONLY IF YOU HAVE ONEUI4 INSTALLED ALREADY OTHERWISE IT WONT BOOT ON ONEII3 FIRMWARE


* Your warranty is now void ( anyway it got void when you unlocked your bootloader :p)
* I am not responsible for bricked devices, dead SD cards,
* thermonuclear war, or your getting fired because the alarm app failed. Please
* Some Bugs might happen because of stock firmware so don't blame me for them. Report them to me I will see if it is possible to fix them from my side
* you point the finger at me for messing up your device, I will laugh at you. Do it at your own Risk

Requirements
  1. Unlocked Bootloader
  2. Custom Recovery
  3. Stock Firmware
Features
  • DEBLOATED around 70-80 apps making system lighter
  • Build Prop Tweaks
  1. Call End Delay Fixed
  2. No Performance Drop in Battery Saver ( 60 hz display though)
  3. FPS Cap Remover ( MIn 60 fps and Max 120 fps set)
  4. Faster Booting Enabled
  5. Vulkan Enabled
  6. RIL wakelock optimization
  7. Audio Improvements
  8. Improve Ram Management
  9. Improve Audio and Video
  10. Faster Streaming Videos
  11. Disables Built In Error Reporting
  12. Boot & Shutdown Animation FPS Boost
  13. Better Signal
  14. Better Call Voice Quality
  15. Disables Error Checking
  16. Increase jpg quality to 100%
  17. Camera Tweaks Supports Google Camera (Not sure if it works for everyone)(But gcam opens up with less lag)
  18. Dalvik Virtual Machine Tweaks
  19. FPS Stabilizer
  20. Better Internet Speed
  21. Auto DImming Fix
  22. LiquidSmoothUI
  23. Better scrolling
  24. Multi User Added
  • Removed Boot Warning ( ONLY FOR EXYNOS)
  • *CSC Features Added
  1. Volte, Screenshot and many icons in Quick Settings
  2. Mobile Data Toggle in Power Off Menu
  3. Voice Recording Activated ( It doesnt work in Wifi Calls and that is set by Samsung)
  4. 4g icon in status bar replaced with LTE
  5. Knox gaurd disabled
  6. Real Time Network speed in status bar
  7. Camera Shutter Sound Button
  8. LTE only network mode
  9. WIFI calling active
  10. Many more csc features
  • Google Photos Mod( Works Maybe)
  • v1.2
    *Google Feed Intregration
    *Super Fast Charging Toggle Added
    *Samsung Marketing Disabled
  • V1.3
*Gaming optimization
*Prime Kernel Included(Only Exynos right now)
*Magisk Pre installed
*MODS By LUCA
1. Enable screen shot on secure app
2.Enable quick reply on secure lockscreen
3.Adaptive brightness boost
4.Official Status in Settings
5.Patch Secure folder Knox

Jan Update V1.4
(PLEASE PLEASE update the oneui base first to Jan)(Dirty updating might work for you but dont ask me questions if your patch is still December)
1.Based on Jan Firmware for respective devices(Full Update only avaliable)
2.Magisk V24 install automatically
3.Prime Kernel for all devices
4.Removed Software Updates section
5.Some under the hood optimizarions


Feb Update !! V1.5( Snap Devices) V1.5.5( Exynos)
1. Synced with latest Feb firmware for the respective devices
2. Some build tweaks
3. Vendor Tweaks
1.restore the standard implied limit of usual RAM consumption
2.AOSP standard value (just better for multitasking)
3.prevent instant "close all apps" mechanism every time the camera app opens
(these tweaks are personally tested by me for a long time and they dont hinder any performance and experience)
4.Magisk updated to v24.1
5.MODS BY @vladwin
1. Dual Recording added in camera
2. Option for Autofocus Tracking in 1080p 60 fps video
3.Legacy Fonts fix

March Update !! V2(Snap Devices) V1.75(Exynos)
1. Snapdragon Users both 4g and 5g builds are based on latest oneui4.1 firmware
2. Removed Prime Kernel have been restored as per user's choice
Have provided with stock boot img in the folder but please remember to patch them with magisk first
3.In sync with Feb update
4. Exynos builds are based DVC2( March Patch) Oneui4. Thanks to Samsung!!
5. Fixed Camera Issues in Exynos

small update !!
Exynos V2 based on oneui4.1 is also avaliable but oneui update is required for it to be installed

CleanOS4.1 V2.1 update
1. Based On March Update oneui4.1
2. In sync with V2
3.Updated Magisk to V24.3
4. System Debloated even more by removing unnecessary 25 apps more
5. Some new System Build prop tweaks
6. Added Clean Build ID in about phone section
7. Removed Factory Reset Protection
8. Increased Frame Buffer Rate(Exy Only)
9.Fixed GameHome labs not showing
10. Disabled liboemcrypto-so to allow DRM-protected content to play (e.g. Netflix, My5, etc.). ( still hd wont work)
11. Some Vendor tweaks
12.Updated Multidisabler to a12 one
13. SHealth Fix
14. Updated Restore apps with latest one in installer
15.Removed Boot.img as it was causing bootloop for many people
EXYNOS PEOPLE PLEASE UPDATE TO ONEUI4.1 to use V2 and above

Clean OS4.1 V2.5 Update Final
1. April Patch
2. In sync with V2.1
3.Bluetooth Fix (galaxy watch pairing issue)
4.Restored Stock kernel which is patched but still unrooted
5.Removed Encryption from the system
Patch fstab in partition,ramdisk,delete stock recovery restore, removed know kernel protection etc
6. APP LOCK FIXED IN EXY
will get fixed in snap device in their next builds

Bugs

  • You tell me
  • Whatever oneui4 has it will have that
  • Might Bootloop please either use either the latest prime kernel builds or the respective stock unpatched img(might have to patch it in magisk to retain root) in gdrive
Clean OS Debloater
Its not just a debloater but it does two more things. You can make your animations smoother as well as try out hidden screen mode through it (just follow the instructions carefully.
Clean OS debloater

Instruction to Flash
1. Format Data is a must for best performance
2. Flashing it over clean install is advised though not recommended
3.Install Zip through custom recovery like twrp
4. Flash Magisk

Download
Both incremental and Full update zips avaliable)
People already using CleanOS 4 can you use incremental zip to update
( G-drive Links) ( For versions 1.5 and above)
Exynos ( G780F)
Snap 4G ( G780G)
Snap 5G (G781B)

(ANDROID FILE HOST LINKS) ( For versions 1.5 below)
Exynos
Snap 5G

Snap 4G

Credits
@ricci206 (He is the MVP here providing me his mods)
@Rick_BR
( Method to remove bootloader warning)
@el0xren ( guides to have various features)
@ Testers in Telegram group
@BlassGO
(Very Nice and helpful guy with great knowledge, literally guided me to build)
Various xda thread of S20 and S20 FE for debloating guides
@3mel
(For his help in various things and being very active here in thread helping others out)

Contact

Telegram DM
Clean OS Testers Group
S20 FE Group

Donate
 

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Last edited:

rost-doc

Member
Nov 8, 2021
5
0
Not completely Russian is in the settings, although I was fine in Malaysian
 
Last edited:

Ubimo

Senior Member
Dec 22, 2011
1,469
755
I'm currently on v2.5.5 with my Snap 5G.
I don't wanna lose any data or format data when I upgrade to CleanOS 4.

In Odin, do I have to flash BL, AP, CP and CSC?
If I flash all this, do I lose TWRP?
I guess I also have to flahs HOME_CSC instead of CSC?
In Odin, do I have to put something in USERDATA?
 

Rick_BR

Senior Member
I'm currently on v2.5.5 with my Snap 5G.
I don't wanna lose any data or format data when I upgrade to CleanOS 4.

In Odin, do I have to flash BL, AP, CP and CSC?
If I flash all this, do I lose TWRP?
I guess I also have to flahs HOME_CSC instead of CSC?
In Odin, do I have to put something in USERDATA?
To install CleanOS 4, you need to be in Stock Android 12. Maybe tou can try to flash stock OneUi 4 with home_csc directly from CleanOS 2.5.5 and then install TWRP again and install CleanOS 4. I don't recommend, probably bugs will appear or even don't boot.
 
  • Like
Reactions: Ubimo

3mel

Senior Member
Aug 23, 2012
1,681
541
London
To install CleanOS 4, you need to be in Stock Android 12. Maybe tou can try to flash stock OneUi 4 with home_csc directly from CleanOS 2.5.5 and then install TWRP again and install CleanOS 4. I don't recommend, probably bugs will appear or even don't boot.
TWRP would be replaced and encryption would come back. flashing TWRP and vbmeta would mean a wipe and flashing multidisabler would mean a format.
 

Savox326

New member
Jan 12, 2022
3
0
camera app got an improvement? for example: telephoto in pro mode, the ability to switch cameras in fhd60fps (telephoto can record video in fhd60fps). Will there be eSIM support. Also, I personally wanted to have the ath11k driver in the kernel instead of qcacld-3.0, but ath11k needs a 5.10 kernel, can you think of something? I will be very grateful if at least one feature is added
 

3mel

Senior Member
Aug 23, 2012
1,681
541
London
camera app got an improvement? for example: telephoto in pro mode, the ability to switch cameras in fhd60fps (telephoto can record video in fhd60fps). Will there be eSIM support. Also, I personally wanted to have the ath11k driver in the kernel instead of qcacld-3.0, but ath11k needs a 5.10 kernel, can you think of something? I will be very grateful if at least one feature is added
the guy who builds kernels for the FE said there's no chance of getting that new of a kernel as it's way too much work to port it over.

no idea on the rest of your list.
 

ramilmsh

Member
Jan 10, 2022
7
3
Hi, thanks for the ROM, I still dislike oneui to my very core, but, it feels a lot better now

Yeah, they work with Magisk Canary+Zygisk
Could you elaborate? Maybe a link to zygisk or forum thread about this, cause all the tutorials I found by googling seem suspicious at best

Also, there was recently a law passed in Russia that forced manufacturers to install a bunch of useless Russian apps (and a few useful ones). I was able to simply uninstall them in cleanos4 (which I could not do in stock, since they kept getting reinstalled). But maybe there is way to bypass this entirely?
 

Rick_BR

Senior Member
Hi, thanks for the ROM, I still dislike oneui to my very core, but, it feels a lot better now


Could you elaborate? Maybe a link to zygisk or forum thread about this, cause all the tutorials I found by googling seem suspicious at best

Also, there was recently a law passed in Russia that forced manufacturers to install a bunch of useless Russian apps (and a few useful ones). I was able to simply uninstall them in cleanos4 (which I could not do in stock, since they kept getting reinstalled). But maybe there is way to bypass this entirely?
Zygisk is a function present in Magisk Canary, it's like the "new" Magisk hide. As you install Magisk Canary, go to settings and enable it, simple and straightfoward. I recommend you install the Universal Safetynet fix module too, the latest version is compatible with Zygisk.


What is the apps? The Yandex ones? I've deleted all of them directly from the folders in system. They never come back.
 
  • Like
Reactions: saoudien07

ramilmsh

Member
Jan 10, 2022
7
3
Zygisk is a function present in Magisk Canary, it's like the "new" Magisk hide. As you install Magisk Canary, go to settings and enable it, simple and straightfoward. I recommend you install the Universal Safetynet fix module too, the latest version is compatible with Zygisk.


What is the apps? The Yandex ones? I've deleted all of them directly from the folders in system. They never come back.

The Yandex apps stayed for sure (they are installed with Andoid setup). But also (from memory, there are 17 in total):
- Marusya - Mail.ru (voice assistant)
- ICQ new - Mail.ru (text chat)
- Mail.ru -Mail.ru (mail client)
- Gosuslugi
- Apps (app recommendations for more russian bloatware)
- Kaspersky internet security and VPN
- some others, i forget
 
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  • 16
    Clean OS by Ayan

    This rom is based on stock OneUI for Galaxy S20 FE. It is based on November patch but I assuring monthly updates whenever next month's security patch is released.
    Visually its no different from the stock rom as I have not changed any thing drastic to maintain stability. Purpose for building this is that it is TWRP Flashable and it can be used to flash stock rom over a GSI without needing to flash everything from ODIN.

    Please Note

    * INSTALL THIS ONLY IF YOU HAVE ONEUI4 INSTALLED ALREADY OTHERWISE IT WONT BOOT ON ONEII3 FIRMWARE


    * Your warranty is now void ( anyway it got void when you unlocked your bootloader :p)
    * I am not responsible for bricked devices, dead SD cards,
    * thermonuclear war, or your getting fired because the alarm app failed. Please
    * Some Bugs might happen because of stock firmware so don't blame me for them. Report them to me I will see if it is possible to fix them from my side
    * you point the finger at me for messing up your device, I will laugh at you. Do it at your own Risk

    Requirements
    1. Unlocked Bootloader
    2. Custom Recovery
    3. Stock Firmware
    Features
    • DEBLOATED around 70-80 apps making system lighter
    • Build Prop Tweaks
    1. Call End Delay Fixed
    2. No Performance Drop in Battery Saver ( 60 hz display though)
    3. FPS Cap Remover ( MIn 60 fps and Max 120 fps set)
    4. Faster Booting Enabled
    5. Vulkan Enabled
    6. RIL wakelock optimization
    7. Audio Improvements
    8. Improve Ram Management
    9. Improve Audio and Video
    10. Faster Streaming Videos
    11. Disables Built In Error Reporting
    12. Boot & Shutdown Animation FPS Boost
    13. Better Signal
    14. Better Call Voice Quality
    15. Disables Error Checking
    16. Increase jpg quality to 100%
    17. Camera Tweaks Supports Google Camera (Not sure if it works for everyone)(But gcam opens up with less lag)
    18. Dalvik Virtual Machine Tweaks
    19. FPS Stabilizer
    20. Better Internet Speed
    21. Auto DImming Fix
    22. LiquidSmoothUI
    23. Better scrolling
    24. Multi User Added
    • Removed Boot Warning ( ONLY FOR EXYNOS)
    • *CSC Features Added
    1. Volte, Screenshot and many icons in Quick Settings
    2. Mobile Data Toggle in Power Off Menu
    3. Voice Recording Activated ( It doesnt work in Wifi Calls and that is set by Samsung)
    4. 4g icon in status bar replaced with LTE
    5. Knox gaurd disabled
    6. Real Time Network speed in status bar
    7. Camera Shutter Sound Button
    8. LTE only network mode
    9. WIFI calling active
    10. Many more csc features
    • Google Photos Mod( Works Maybe)
    • v1.2
      *Google Feed Intregration
      *Super Fast Charging Toggle Added
      *Samsung Marketing Disabled
    • V1.3
    *Gaming optimization
    *Prime Kernel Included(Only Exynos right now)
    *Magisk Pre installed
    *MODS By LUCA
    1. Enable screen shot on secure app
    2.Enable quick reply on secure lockscreen
    3.Adaptive brightness boost
    4.Official Status in Settings
    5.Patch Secure folder Knox

    Jan Update V1.4
    (PLEASE PLEASE update the oneui base first to Jan)(Dirty updating might work for you but dont ask me questions if your patch is still December)
    1.Based on Jan Firmware for respective devices(Full Update only avaliable)
    2.Magisk V24 install automatically
    3.Prime Kernel for all devices
    4.Removed Software Updates section
    5.Some under the hood optimizarions


    Feb Update !! V1.5( Snap Devices) V1.5.5( Exynos)
    1. Synced with latest Feb firmware for the respective devices
    2. Some build tweaks
    3. Vendor Tweaks
    1.restore the standard implied limit of usual RAM consumption
    2.AOSP standard value (just better for multitasking)
    3.prevent instant "close all apps" mechanism every time the camera app opens
    (these tweaks are personally tested by me for a long time and they dont hinder any performance and experience)
    4.Magisk updated to v24.1
    5.MODS BY @vladwin
    1. Dual Recording added in camera
    2. Option for Autofocus Tracking in 1080p 60 fps video
    3.Legacy Fonts fix

    March Update !! V2(Snap Devices) V1.75(Exynos)
    1. Snapdragon Users both 4g and 5g builds are based on latest oneui4.1 firmware
    2. Removed Prime Kernel have been restored as per user's choice
    Have provided with stock boot img in the folder but please remember to patch them with magisk first
    3.In sync with Feb update
    4. Exynos builds are based DVC2( March Patch) Oneui4. Thanks to Samsung!!
    5. Fixed Camera Issues in Exynos

    small update !!
    Exynos V2 based on oneui4.1 is also avaliable but oneui update is required for it to be installed

    CleanOS4.1 V2.1 update
    1. Based On March Update oneui4.1
    2. In sync with V2
    3.Updated Magisk to V24.3
    4. System Debloated even more by removing unnecessary 25 apps more
    5. Some new System Build prop tweaks
    6. Added Clean Build ID in about phone section
    7. Removed Factory Reset Protection
    8. Increased Frame Buffer Rate(Exy Only)
    9.Fixed GameHome labs not showing
    10. Disabled liboemcrypto-so to allow DRM-protected content to play (e.g. Netflix, My5, etc.). ( still hd wont work)
    11. Some Vendor tweaks
    12.Updated Multidisabler to a12 one
    13. SHealth Fix
    14. Updated Restore apps with latest one in installer
    15.Removed Boot.img as it was causing bootloop for many people
    EXYNOS PEOPLE PLEASE UPDATE TO ONEUI4.1 to use V2 and above

    Clean OS4.1 V2.5 Update Final
    1. April Patch
    2. In sync with V2.1
    3.Bluetooth Fix (galaxy watch pairing issue)
    4.Restored Stock kernel which is patched but still unrooted
    5.Removed Encryption from the system
    Patch fstab in partition,ramdisk,delete stock recovery restore, removed know kernel protection etc
    6. APP LOCK FIXED IN EXY
    will get fixed in snap device in their next builds

    Bugs

    • You tell me
    • Whatever oneui4 has it will have that
    • Might Bootloop please either use either the latest prime kernel builds or the respective stock unpatched img(might have to patch it in magisk to retain root) in gdrive
    Clean OS Debloater
    Its not just a debloater but it does two more things. You can make your animations smoother as well as try out hidden screen mode through it (just follow the instructions carefully.
    Clean OS debloater

    Instruction to Flash
    1. Format Data is a must for best performance
    2. Flashing it over clean install is advised though not recommended
    3.Install Zip through custom recovery like twrp
    4. Flash Magisk

    Download
    Both incremental and Full update zips avaliable)
    People already using CleanOS 4 can you use incremental zip to update
    ( G-drive Links) ( For versions 1.5 and above)
    Exynos ( G780F)
    Snap 4G ( G780G)
    Snap 5G (G781B)

    (ANDROID FILE HOST LINKS) ( For versions 1.5 below)
    Exynos
    Snap 5G

    Snap 4G

    Credits
    @ricci206 (He is the MVP here providing me his mods)
    @Rick_BR
    ( Method to remove bootloader warning)
    @el0xren ( guides to have various features)
    @ Testers in Telegram group
    @BlassGO
    (Very Nice and helpful guy with great knowledge, literally guided me to build)
    Various xda thread of S20 and S20 FE for debloating guides
    @3mel
    (For his help in various things and being very active here in thread helping others out)

    Contact

    Telegram DM
    Clean OS Testers Group
    S20 FE Group

    Donate
    4
    exynos (SM-780F), but i don't think in this exact situation snapdragon is different (i may be wrong, though)
    I confirm the correct order to install is:
    - download oneui 4 stock firmware
    - patch AP with Magisk app
    - flash stock firmware with ODIN, replacing the patched AP
    - install TWRP
    - install Clean OS 4
    - flash previously attached Magisk app-debug
    - open Magisk app and finish setup there
    3
    New Update !
    V1.3
    *Gaming optimization
    *Prime Kernel Included(Only Exynos right now)
    *Magisk Pre installed
    *Clean OS Wallpaper instead of stock one
    *MODS By LUCA
    1. Enable screen shot on secure app
    2.Enable quick reply on secure lockscreen
    3.Adaptive brightness boost
    4.Official Status in Settings
    5.Patch Secure folder Knox
    2
    Should have installed oneui4 first then only it can boot
    2
    To install CleanOS 4, you need to be in Stock Android 12. Maybe tou can try to flash stock OneUi 4 with home_csc directly from CleanOS 2.5.5 and then install TWRP again and install CleanOS 4. I don't recommend, probably bugs will appear or even don't boot.
    TWRP would be replaced and encryption would come back. flashing TWRP and vbmeta would mean a wipe and flashing multidisabler would mean a format.