[Discontinued][KERNEL][ONEUI/GSI][A205XX] Ripper kernel v1.0 - Samsung Galaxy A20 ROMs, Kernels, Recoveries, & Ot

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- This kernel works only on A205XX. I'm not responsible for any damage if you flash on other devices.
- I am not responsible about any damage of any kind that this kernel may cause.
- You are allowed to use this kernel in your project with proper credits and links to the thread.
- Bugs can be reported in XDA or via my Telegram Group.
If you like my work please hit the "Thanks" button and feel free to donate to me via my Paypal
Oneui-
- Built from A205FXXS4ASJ4 source code
- Supports Android Pie
- Build with Ubertc Toolchain
- Init.d support
- SafetyNet patched
- UV BIG/LITTLE to 200/728MHz
- Enabled hidden CPU Governors
- Enabled CD/DVD File System
- Multi TCP Algorithm
- Memory management improvements
- Improved touch latency
- Deadline I/O
- CRC Disabled by default
- 99Killer service (kills gms in idle for better sleep)
- Security Related Features disabled
- Full Wakelock Control for wlan/bt and much more
- Other improvments for Batterylife and performance
- Boeffla wakelock blocker v1.0.0
Gsi-
- Built from A205FXXS4ASJ4 source code
- Supports Android Pie/Q
- Build with Ubertc Toolchain
- Mtp fixed
- SElinux permissive
- Init.d support
- SafetyNet patched
- UV BIG/LITTLE to 200/728MHz
- Enabled hidden CPU Governors
- Enabled CD/DVD File System
- Multi TCP Algorithm
- Memory management improvements
- Improved touch latency
- Deadline I/O
- CRC Disabled by default
- 99Killer service (kills gms in idle for better sleep)
- Security Related Features disabled
- Full Wakelock Control for wlan/bt and much more
- Other improvments for Batterylife and performance
- Boeffla wakelock blocker v1.0.0
1. - Download the kernel zip
2. - Copy the kernel zip into your phone
3. - Reboot in Twrp
4. - Flash the Kernel Zip
5. - Enjoy!
Download links in post #2
- Samsung for kernel sources
- @osmosis for anykernel.
- @fahadali2315 Good friend, Always support me
@Agrim720
Version Information
Status:*Stable
Current Stable Version:*v1
Created*2019-12-16
Last Updated*2019-12-16

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V1.0
*Initial Release
Gsi
Oneui

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Reserved

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@Agrim720 I'll try them both but they require access (access denied)

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physwizz said:
I'll try them both but they require access
Click to expand...
Click to collapse
U need to install the zip with twrp.

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Agrim720 said:
U need to install the zip with twrp.
Click to expand...
Click to collapse
I can't download them (access denied)

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physwizz said:
I can't download them (access denied)
Click to expand...
Click to collapse
fixed.

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Agrim720 said:
fixed.
Click to expand...
Click to collapse
Flashed the GSI version and got boot loop.
I'm on U2 bootloader

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Going to try the OneUI version and thanks!
Note: Installed the kernel on OneUI and It seems to remove magisk installation, I attached a sceenshot of magisk manager.
All is okay, just flash magisk after installing kernel.

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@Agrim720 You might want to change 1st post to read Underclock (UC) not Undervolt (UV) to clear up the confusion.
Also might want to mention that replacing the kernel in your TWRP with this one fixes MTP at TWRP level. Updating your TWRP would be even better to avoid all the questions on how to do this
Thanks for your efforts.

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Deluriane said:
Going to try the OneUI version and thanks!
Note: Installed the kernel on OneUI and It seems to remove magisk installation, I attached a sceenshot of magisk manager.
Going to try it this way: Format Data and Flash DM-Verity, Kernel and Magisk in this order.
Note: Seemed to be fine when installed in the order above.
Click to expand...
Click to collapse
Kernel is not prerooted.
u need to flash magisk after kernel zip.

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Agrim720 said:
Kernel is not prerooted.
u need to flash magisk after kernel zip.
Click to expand...
Click to collapse
Gotcha! Everything seemed to be okay on OneUI kernel.

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jajk said:
@Agrim720 You might want to change 1st post to read Underclock (UC) not Undervolt (UV) to clear up the confusion.
Also might want to mention that replacing the kernel in your TWRP with this one fixes MTP at TWRP level. Updating your TWRP would be even better to avoid all the questions on how to do this
Thanks for your efforts.
Click to expand...
Click to collapse
It is also UV. Main motive is UV tho.
Kernel uses less voltages on lower frequency based on dvfs/dtsi.
Twrp is already had mtp fixed kernel no need to use this..
It seems another issue in twrp will fix later.

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@Agrim720 Then change 1st post to read UV + UC for Big and Little to make it correct and clear.
Your TWRP1.1 fixed MTP in GSI but there was still no MTP in TWRP until I updated kernel to this one. Now MTP in TWRP works. Have you already updated the kernel that came with 1.1?

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jajk said:
@Agrim720 Then change 1st post to read UV + UC for Big and Little to make it correct and clear.
Your TWRP1.1 fixed MTP in GSI but there was still no MTP in TWRP until I updated kernel to this one. Now MTP in TWRP works. Have you already updated the kernel that came with 1.1?
Click to expand...
Click to collapse
Ah.. did u used Gsi kernel?
Gotcha its now working bcz of permissive.
didt updated yet for twrp.

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Agrim720 said:
Ah.. did u used Gsi kernel?
Gotcha its now working bcz of permissive.
didt updated yet for twrp.
Click to expand...
Click to collapse
Is this kernel only for U3 U4
It doesn't work for my U2

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@physwizz
Only for U3/U4/S3/S4.

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Jeez! Performance and battery life is amazing even using performance w/ L Speed.

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@physwizz I think it is safe to update to U3 now that there is a fully functional TWRP and custom kernel for this that works for GSI and OneUI

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jajk said:
@physwizz I think it is safe to update to U3 now that there is a fully functional TWRP and custom kernel for this that works for GSI and OneUI
Click to expand...
Click to collapse
That's true but I have a fully functional TWRP and custom kernel now.
What advantage does U3 bring?