Rolback to original OxygenOS kernel - OnePlus 6 Questions & Answers

Hello guys,
I've installed the BluSpark kernel but I'd like to roolback to the original one.
Does anyone here know how ?
Thanks !

Just flash the stock OOS boot img. That will also remove twrp and root, so you'll need to reflash both.

Reflash oos rom.

iElvis said:
Just flash the stock OOS boot img. That will also remove twrp and root, so you'll need to reflash both.
Click to expand...
Click to collapse
Is there a link somwehere ?
Thx

KuBi4K said:
Is there a link somwehere ?
Thx
Click to expand...
Click to collapse
https://forum.xda-developers.com/oneplus-6/how-to/oneplus-6-mirrors-official-oxygen-os-t3792244
stock boot recovery image section

https://youtu.be/H130z2HaWCk
follow is guide. install boot.img and then twrp installer.

Related

FRD-L09C432 pre-rooted boot

FRD-L09C432 pre-root booted (superuser-r310)
1. Unlock booloader
2. Flash boot.img via fastboot
3. Install phh.superuser https://play.google.com/store/apps/details?id=me.phh.superuser
B381 Boot.img http://www.datafilehost.com/d/3204ea04
B389 Boot.img http://www.datafilehost.com/d/079e483c
B392SP01 Boot.img http://www.datafilehost.com/d/874fb9b1
Ps: i will keep update rooted boot when a new version is released, but only for L09C432.
So if I want to flash that, I have to be already on B381?
There's no need for this, as we can already root B381 through recovery using SuperSU or PHH. Also, when you flash an SU zip you can also flash the unSU zip to recover from bootloops where as flashing a boot.img has no fallback
NeophyteGS2 said:
There's no need for this, as we can already root B381 through recovery using SuperSU or PHH. Also, when you flash an SU zip you can also flash the unSU zip to recover from bootloops where as flashing a boot.img has no fallback
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Click to collapse
unsu zip? where's that file? is for supersu unroot?
deadko said:
unsu zip? where's that file? is for supersu unroot?
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Click to collapse
https://forum.xda-developers.com/showpost.php?p=63615067
oberfeldwedler said:
So if I want to flash that, I have to be already on B381?
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Click to collapse
Yes.
NeophyteGS2 said:
There's no need for this, as we can already root B381 through recovery using SuperSU or PHH. Also, when you flash an SU zip you can also flash the unSU zip to recover from bootloops where as flashing a boot.img has no fallback
Click to expand...
Click to collapse
It's aimed to users that like to stay with stock recovery.
You can easy resore stock boot image via flashboot.
Hi!
Perfecto
Thank you very much.
For what is this? (Para qué sirve esto?)
TheDave86 said:
For what is this? (Para qué sirve esto?)
Click to expand...
Click to collapse
Root.
B389 rooted Boot.img added to first post
B392SP01 rooted Boot.img added to first post.
Thanks bro .
Thanks a lot. But how can i change my AL10C000 to L09C432?
n_polo said:
Thanks a lot. But how can i change my AL10C000 to L09C432?
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? Have to rebrand.
venugopalu007 said:
? Have to rebrand.
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Yes,use some apps. Then , I can flash L09C432B360 and update to B392 of eu.
Can you add b399 version?

Any tips on how to flash Android Pie beta via TWRP?

Hi. i want to flash the beta version of andriod pie. but currently i have a custom room with root and twrp as a recovery.
So how is the easy way to go about this?
Use a Fastboot Rom and return to stock
you cant flash android p beta in twrp
saitek1911 said:
Hi. i want to flash the beta version of andriod pie. but currently i have a custom room with root and twrp as a recovery.
So how is the easy way to go about this?
Click to expand...
Click to collapse
Flash stock rom via fastboot, then boot up TWRP (don't install it), flash P beta (official one not the GSI), reboot to stock recovery, wipe data, reboot to system, if it is working you can now flash TWRP and magisk and whatever you want
EDIT: i was forgotting, REMEMBER to BACKUP your data before flash via fastboot
matze19999 said:
you cant flash android p beta in twrp
Click to expand...
Click to collapse
You can!
Hitman478™ said:
Flash stock rom via fastboot, then boot up TWRP (don't install it), flash P beta (official one not the GSI), reboot to stock recovery, wipe data, reboot to system, if it is working you can now flash TWRP and magisk and whatever you want
EDIT: i was forgotting, REMEMBER to BACKUP your data before flash via fastboot
You can!
Click to expand...
Click to collapse
U can? So do you have a flashble zip? Link maybe?
If its easy like wipe->flash pie-> flash magisk then that would be great
saitek1911 said:
U can? So do you have a flashble zip? Link maybe?
If its easy like wipe->flash pie-> flash magisk then that would be great
Click to expand...
Click to collapse
https://forum.xda-developers.com/oneplus-6/how-to/rom-stock-fastboot-roms-oneplus-6-t3796665, it's more easy than you think

Cannot flash any custom ROM

Hello !
I have rooted Honor 8 stock ROM FRD-L09C432B399
When I try to flash any Custom Rom it wont boot into system.
When I flash LineageOS it's stuck on LineageOs boot screen.
Only stock rom will boot into system. And I have to flash TWRPfrom Huawei Multitool. If I flash this TWRP: https://forum.xda-developers.com/honor-8/development/twrp-t3566563
it wont load.
Why is this happening ?
Thanks in advance
jurajjanicek said:
Hello !
I have rooted Honor 8 stock ROM FRD-L09C432B399
When I try to flash any Custom Rom it wont boot into system.
When I flash LineageOS it's stuck on LineageOs boot screen.
Only stock rom will boot into system. And I have to flash TWRPfrom Huawei Multitool. If I flash this TWRP: https://forum.xda-developers.com/honor-8/development/twrp-t3566563
it wont load.
Why is this happening ?
Thanks in advance
Click to expand...
Click to collapse
Openkirin has specifically mentioned that you shouldn't install TWRP with these ROMs. Try following the instructions next time
SirDarknight said:
Openkirin has specifically mentioned that you shouldn't install TWRP with these ROMs. Try following the instructions next time
Click to expand...
Click to collapse
Thanks, I haven't seen that.

Is it possible to downgrade from 9.5.7 to 9.5.5 or lower?

Hey guys im really unhappy about the newest firmware. It isnt as smooth as it used to be and I would like to downgrade the firmware. I have already downloaded the 9.5.5 firmware. I tried several solution via search but One plus software wont let me downgrade. In recovery modus there isnt even an Option to install via zip
IS it possible to install TWRP and install the firmware there? Or is there any solution to this?
darkmninya said:
Hey guys im really unhappy about the newest firmware. It isnt as smooth as it used to be and I would like to downgrade the firmware. I have already downloaded the 9.5.5 firmware. I tried several solution via search but One plus software wont let me downgrade. In recovery modus there isnt even an Option to install via zip
IS it possible to install TWRP and install the firmware there? Or is there any solution to this?
Click to expand...
Click to collapse
Yes you should be able. Download the fastboot firmware, make sure to select the right variant. Then fastboot then flash-all after you unzip your firmware
https://forum.xda-developers.com/oneplus-7-pro/how-to/rom-stock-fastboot-roms-oneplus-7-pro-t3931424
the above post would prob be the easiest but its a high possibility will have to format user data (sdcard) and is a Clean install. You can flash through TWRP
Flash full zip through TWRP
flash TWRP Installer
Reboot back to TWRP
flash Magisk
Reboot to OS
Bradl79 said:
the above post would prob be the easiest but its a high possibility will have to format user data (sdcard) and is a Clean install. You can flash through TWRP
Flash full zip through TWRP
flash TWRP Installer
Reboot back to TWRP
flash Magisk
Reboot to OS
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Click to collapse
+1 yeah, doesn't this wipe the SD card?
matteosaeed said:
+1 yeah, doesn't this wipe the SD card?
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Click to collapse
TWRP does not but the fastboot rom may
Bradl79 said:
TWRP does not but the fastboot rom may
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Click to collapse
Fastboot will wipe it
Bradl79 said:
TWRP does not but the fastboot rom may
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Click to collapse
is there any TWRP ROM?
or just TWRP the fastboot rom?
you can download the full zip here or if you download it from Oxygen Updater app. Those you can flash with twrp. Just make sure to flash Magisk too if you flash via TWRP
The fastboot rom you do no flash through TWRP, you flash it via fastboot.
darkmninya said:
Hey guys im really unhappy about the newest firmware. It isnt as smooth as it used to be and I would like to downgrade the firmware. I have already downloaded the 9.5.5 firmware. I tried several solution via search but One plus software wont let me downgrade. In recovery modus there isnt even an Option to install via zip
IS it possible to install TWRP and install the firmware there? Or is there any solution to this?
Click to expand...
Click to collapse
I didn't read anywhere in this thread an indication of your bootloader status. Are you already unlocked?
- if you are not unlocked, then you will need to unlock it to gain root and TWRP. And unlocking the bootloader automatically wipes your internal storage.
- if you are unlocked, then you can proceed with installing root, and TWRP. As other users have posted, you can downgrade with a simple flash of 9.5.5 over 9.5.7... if they both share the same month's security patch.

Magisk Patch boot image for GM1900 OOS

Can anyone upload a Magisk patched boot image for 10.0.1GM57AA? The model that I have is GM1900. When I try to patch it myself on Magisk, I get an error saying "process error"
Anyone able to help?
Heelixx said:
Anyone able to help?
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Click to collapse
Hi.
magisk-patched 4.14.117-perf+ with twrp: https://ufile.io/3ieksyfx
flash with fastboot flash boot 4.14.117-perf+.img
meltbanana said:
Hi.
magisk-patched 4.14.117-perf+ with twrp: https://ufile.io/3ieksyfx
flash with fastboot flash boot 4.14.117-perf+.img
Click to expand...
Click to collapse
Thanks a lot for uploading this! I managed to flash it and root my device but now the wifi isn't working. I cleared the cache with TWRP but that didn't resolve the issue. Flashing back the original boot image made the wifi work again.
Heelixx said:
Thanks a lot for uploading this! I managed to flash it and root my device but now the wifi isn't working. I cleared the cache with TWRP but that didn't resolve the issue. Flashing back the original boot image made the wifi work again.
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Click to collapse
ok, perhaps it depends on BA (EU) or AA (global) ROM version? however you can boot the rooted one, install a downloaded version of magisk20 via magisk manager to patch your own kernel directly.
meltbanana said:
ok, perhaps it depends on BA (EU) or AA (global) ROM version? however you can boot the rooted one, install a downloaded version of magisk20 via magisk manager to patch your own kernel directly.
Click to expand...
Click to collapse
I flashed the 4.14.117-perf+.img that you uploaded and then I booted in TWRP and flashed my original stock boot image. While still in TWRP, I flashed the zip of Magisk and then I rebooted. That got it working. So I'm rooted now. Thanks for sending me the image. I appreciate it!
@Heelixx
Can you explain to me how important a magisk boot patched is? Did you leave Pie for 10? What's the procedure?
lvints said:
@Heelixx
Can you explain to me how important a magisk boot patched is? Did you leave Pie for 10? What's the procedure?
Click to expand...
Click to collapse
I was rooted on 10.0 and then I upgraded to 10.0.1
There is a procedure for upgrading to 10.0.1 and still keeping root. I wasn't aware of this and after I got the update, I restarted my device and ended up without root access.
A Magisk patched boot image is important for getting your device rooted.
If you're asking for the procedure to root your device, then you can follow this link which explains it, https://forum.xda-developers.com/oneplus-7/how-to/guide-how-to-flash-android-10-twrp-t3964131

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