Can I flash Magisk via temporary TWRP? - Xiaomi Mi A1 Questions & Answers

Running on a stock Pie with latest security update, I want to root my phone in order to utilize some Magisk modules, but I'm really concerned about all the "System has been destroyed" TWRP issues, it messed up my phone twice in the past.
I was wondering, could I flash Magisk just by temporarily fastbooting TWRP from the computer? Will that provide me a root access and prevent any future soft-bricking caused by the A/B partition issues?
Thanks in advance.

You can install magisk manager and patch boot image (kernel) as file from that. Than you fastboot that kernel and get temporary magisk root. After that, install permanent root from magisk manager and reboot. You dont need twrp for that.

Thank you for a suggestion, but that doesn't answer my question.

If the root is what you want, this is the best way to install magisk imho.

Hello,yes,you can temporary boot TWRP.
1.Make sure to have your bootloader unlocked
2.Make sure to have platform-tools on your PC
3.Download the latest .img file from TWRP Official Site and copy it in the platform-tools folder
4.Put your phone in Fastboot Mode(Volume Down+Power)
5.On your PC,in the platform-tools folder,hold Left Shift and press Right Click;it should appear an option namedpen a Powershell window here
6.Click on that
7.Write "fastboot devices" or ".\fastboot devices"
8. If your device appears there,you can write:fastboot boot "name of the file".img
9.It should boot in TWRP;if it asks you to swipe to allow modifications,don't do it,instead,press on Keep Read Only
From this point,you can install whatever you want.

Related

[Guide][Root] Magisk without TWRP on Android P

Via Magisk Manager:
This method does not need root, and also does not require a custom recovery.
However, you MUST have a stock boot image dump beforehand, and you also have to be able to flash the patched boot image, either through fastboot mode
REQUIREMENTS -
1 - Setup adb and fastboot on your PC.
2- Stock boot image (boot.img) of your device (extract file from factory image android P)
3 - Last Magisk Manager (v 5.8.3)
4 - Active Internet connection
5 - Active mind and patience.
6 - Devices must is unlock bl.
This Boot-Image is for boot android P PPR1.180610.009:
https://drive.google.com/open?id=166pE9aMk-jqns3JM74enFhsaDY6-c3yJ
Magisk Manager
https://forum.xda-developers.com/apps/magisk/official-magisk-v7-universal-systemless-t3473445
==================================================
Step 1: Patching the stock boot.img
1- Copy the stock boot.img of your device to your phone's internal storage.
2- Install the latest Magisk Manager
3- Launch Magisk Manager app
4- If prompted to install Magisk, select NO THANKS
5- If you're planning to flash the patched boot image,For normal users leave it as the default .img
6-Press Setting>Update Channel>Beta
7- Press Install > Install > Patch Boot Image File, and select your stock boot image file
Navigate to the location of the stock boot.img you copied earlier on, then Select it
8- Magisk Manager should begin downloading the magisk zip file used for patching
9- Once download is complete, MagiskManager will automatically patch the boot file and store it under SDcard/MagiskManager/patched_boot.img
Step 2: Flashing the patched boot.img
1- Copy the patched_boot.img from your phone's internal storage to folder adb or platform-tools on PC (directory>SDcard/MagiskManager/patched_boot.img)
2- You could also use Fastboot to flash the patched_boot.img or boot.img (if you've renamed then the command must reflect the file name) as outlined below
How to Flash patched_boot.img using Fastboot
1- Setup adb and fastboot on your PC.
2- Unlock the phone's Bootloader (if its not unlocked)
3-Re-enable USB debugging on the phone
4- Connect the phone to the PC via USB cord
5- Boot into fastboot mode.
code
-adb reboot bootloader
6- Flash the patched_boot and reboot by typing in the commands below into adb CMD prompt window and hitting Enter after each line -
Quote:
Code:
fastboot devices
fastboot flash boot patched_boot.img
fastboot reboot
-Verify root using Root Checker
Try at your own Risk
CREDITS
@topjohnwu (Magisk)
Sadly goes into a bootloop for me - no idea why though
This worked for me. I had magisk installed and took the pie update. No more root. D/l the factory image and extracted the boot image to the files folder...pissmeoff they changed the name of the icon... and magisk patched the image and saved it in its folder. Found the file, moved it to the laptop then flashed it.
reawo said:
Sadly goes into a bootloop for me - no idea why though
Click to expand...
Click to collapse
I think you made a mistake.
I always did that method pre Pie and it always worked but now I end up in a bootloop and I did everything according to guide
reawo said:
I always did that method pre Pie and it always worked but now I end up in a bootloop and I did everything according to guide
Click to expand...
Click to collapse
I think you use my file(boot.img) for patch_boot.img from magisk manager.
I think you must check your build number devices.
You must use file boot.img from your factory image for root.
9.0.0 (PPR1.180610.009, Aug 2018) >This is version for my devices
9.0.0 (PPR1.180610.011, Aug 2018, Telstra) >?
hey mate thanks for the input, I got a normal non testra (whatever that is) taimen - tried your boot.img and before that I tried the one from the factory image, both result in a boot loop.
I went through all stages of the Android p beta and in the end, to try solve this, I also non wipe flashed the factory image all to get the same result
could you sent me a drive Link to the patched version of yours or something?
reawo said:
hey mate thanks for the input, I got a normal non testra (whatever that is) taimen - tried your boot.img and before that I tried the one from the factory image, both result in a boot loop.
I went through all stages of the Android p beta and in the end, to try solve this, I also non wipe flashed the factory image all to get the same result
could you sent me a drive Link to the patched version of yours or something?
Click to expand...
Click to collapse
This is file patch_boot.img from my devices.
https://drive.google.com/open?id=1nVEpoGam-VY1YT3GBbG6HNfhnT2NqRin
newyesor said:
This is file patch_boot.img from my devices.
https://drive.google.com/open?id=1nVEpoGam-VY1YT3GBbG6HNfhnT2NqRin
Click to expand...
Click to collapse
Also doesnt work, i thought so - didnt do anything different than when it worked - no idea why it doesn't though
Is there a way to see or read out any protocols regarding this?
I receive also a bootloop and I didnt make any mistake. I also used this method pre Pie, I read that alot of users have problems with rooting Pie atm, even with TWRP
reawo said:
Also doesnt work, i thought so - didnt do anything different than when it worked - no idea why it doesn't though
Is there a way to see or read out any protocols regarding this?
Click to expand...
Click to collapse
You use adb last version for flash patch_boot.img ?
I think you should flash factory image new again and factory reset your devices.
You are use stock kernel or other kernel on your devices.
newyesor said:
You use adb last version for flash patch_boot.img ?
I think you should flash factory image new again and factory reset your devices.
You are use stock kernel or other kernel on your devices.
Click to expand...
Click to collapse
I downloaded all the latest adb and fastboot. Never touched kernel or did custom recovery, always used the magisk method since i am on a pixel device. i also got the issue that my pc doesnt recognize my pixel from time to time, you think i should do a complete wipe?
I don't sure.
You are use platfrom-tool from sdk lastversion?(for flash via fastboot mode)
@reawo
I think you should flash factory image new again and factory reset your devices.
Step 1: Patching the stock boot.img
1- Copy the stock boot.img of your device to your phone's internal storage.
2- Install the latest Magisk Manager
3- Launch Magisk Manager app
4- If prompted to install Magisk, select NO THANKS
5- If you're planning to flash the patched boot image,For normal users leave it as the default .img
6-Press Setting>Update Channel>Beta ,and close this app.****
7- Open app again and Press Install > Install > Patch Boot Image File, and select your stock boot image file
Navigate to the location of the stock boot.img you copied earlier on, then Select it
8- Magisk Manager should begin downloading the magisk zip file used for patching (This process is not failed)***
9- Once download is complete, MagiskManager will automatically patch the boot file and store it under SDcard/MagiskManager/patched_boot.img
Step 2: Flashing the patched boot.img
1- Copy the patched_boot.img from your phone's internal storage to folder adb or platform-tools on PC (directory>SDcard/MagiskManager/patched_boot.img)
2- You could also use Fastboot to flash the patched_boot.img or boot.img (if you've renamed then the command must reflect the file name) as outlined below
How to Flash patched_boot.img using Fastboot
1- Setup adb and fastboot on your PC.
2- Unlock the phone's Bootloader (if its not unlocked)
3-Re-enable USB debugging on the phone
4- Connect the phone to the PC via USB cord
5- Boot into fastboot mode.
code
-adb reboot bootloader
6- Flash the patched_boot and reboot by typing in the commands below into adb CMD prompt window and hitting Enter after each line -
Quote:
Code:
fastboot devices
fastboot flash boot patched_boot.img
fastboot reboot
-Verify root using Root Checker
Try at your own Risk
Will work on the verizon variant (bootloader locked)?
sabi95190 said:
Will work on the verizon variant (bootloader locked)?
Click to expand...
Click to collapse
Nope. If it were that easy for bootloader locked Verizon phones, it would have been done months ago.
What happens if you lock the bootloader after all of this?
DarkSilentSC said:
What happens if you lock the bootloader after all of this?
Click to expand...
Click to collapse
You'll wipe the phone, lose root, and be stock.
DarkSilentSC said:
What happens if you lock the bootloader after all of this?
Click to expand...
Click to collapse
When still rooted and modified? You might very well brick it. Relocking while modified is borderline insanity.
TonikJDK said:
When still rooted and modified? You might very well brick it. Relocking while modified is borderline insanity.
Click to expand...
Click to collapse
"Borderline"???? More like certifiably insane! ?

delete guide

delete guide
--reserved--
Hoe can i tell what image matches for my phone stil on 8.1 november 1st security patch n a unlocked boot
rob420p said:
Hoe can i tell what image matches for my phone stil on 8.1 november 1st security patch n a unlocked boot
Click to expand...
Click to collapse
Check your build and download the right file.
Matteo
While uninstalling Magisk(from rooted stock), do we need to find the current active slot and flash the stock image to it? In the guide flashing to both partitions is mentioned.
mujtahid1494. said:
While uninstalling Magisk(from rooted stock), do we need to find the current active slot and flash the stock image to it? In the guide flashing to both partitions is mentioned.
Click to expand...
Click to collapse
Flash a both slot just to be sure to pass OTA if needed.
Matteo
Matteo said:
Welcome to AIO Magisk Sub Guide.
Here you will find best methods for root Mi A2. I will maintain this guide with all safe, update methods. Currently only patched boot method is out for Stock Roms. I will add Twrp methods when we have decryption on pie.
Code:
Your warranty is now void.
We are not responsible for bricked devices, bootloop... Please
do some research if you have any concerns about mods
included in these GUIDES before using them! YOU are choosing to
make these modifications.
Install Magisk on Stock Roms Oreo & Pie
Needs:
- Bootloader unlocked, check this (currently not out) guide.
- Magisk Manager apk check Dowloads Section
- A brain
Procedure:
- Download the correct PatchedBoot file for your build from Downloads Section
- Rename the patched boot file to "patched_boot.img" and past it to your adb folder.
- Download Magisk Manager apk from Downloads Section
- Move apk to phone sdcard
- Reboot phone to bootloader by pressing Power + Volume Down until phone show the fastboot logo.
- Now open adb(fastboot) command prompt and type :
Code:
fastboot boot patched_boot.img
Your phone shoulds boot
- Install Magisk Manager apk
- Open Magisk Manager
- Click Install then choose Direct install. Reboot.
Done, you have Magisk on your device.
To uninstall Magisk just flash stock boot.img using fastboot:
"fasboot flash boot_a boot.img" and "fasboot flash boot_b boot.img"
Install Magisk on Custom Roms
Needs:
- Be on a Custom Rom
- Latest Magisk Beta zip check Dowloads Section
- Twrp latest file.img check Dowloads Section
- A brain
Procedure:
Sideload method. (It's for people who want to install Magisk on their phone during Custom Rom installation process without any permanent Twrp (usefull for people who want to root their phone when they have MTP issue during Custom Rom installation)
- Download the latest Magisk Beta zip from Downloads Section
- Rename the Magisk file to "magisk.zip" and past it to your adb folder.
- Download the latest TWRP img from Downloads Section
- Rename the twrp file to "twrp.img" and past it to your adb folder.
- Reboot phone to bootloader by pressing Power + Volume Down until phone show the fastboot logo.
Phone is now in fastboot.
- Type :
Code:
fastboot boot twrp.img
- Phone will boot Twrp.
- Navigate to Advanced > Adb Sideload
- Swipe to allow
- Open adb (fastboot) command prompt on your pc, type
Code:
adb sideload magisk.zip
Reboot and done, you have Magisk on your device.
Normal temp Twrp method. (It's for people who want to install Magisk on their phone when they are already running a Custom Rom without permanent Twrp.
- Download the latest Magisk Beta zip from Downloads Section
- Rename the Magisk file to "magisk.zip" and past it to your phone sdcard.
- Download the latest TWRP img from Downloads Section
- Rename the twrp file to "twrp.img" and past it to your adb folder.
- Reboot phone to bootloader by pressing Power + Volume Down until phone show the fastboot logo.
Phone is now in fastboot.
- Type :
Code:
fastboot boot twrp.img
- Phone will boot Twrp.
- Click Install, choose magisk.zip
- Swipe to confirm, wait for the process...
Reboot and done, you have Magisk on your device.
To uninstall Magisk just flash stock boot.img using fastboot:
"fasboot flash boot_a boot.img" and "fasboot flash boot_b boot.img"
If you have any issue, or if i make any type error, reply.
don't forget to ckick the TX button.
Downloads Section:
Boot / Patched Boot images
Magisk Thread for Beta zip / Apk file
Twrp images & zip
Click to expand...
Click to collapse
Hello, the stock boot v10.0.1.0.img, does not have mirrors, please could upload it again, I need it urgently, thank you very much
ofuen said:
Hello, the stock boot v10.0.1.0.img, does not have mirrors, please could upload it again, I need it urgently, thank you very much
Click to expand...
Click to collapse
No. If you have issue with androidfilehost it's not my problem.
Matteo
Matteo said:
Welcome to AIO Magisk Sub Guide.
Here you will find best methods for root Mi A2. I will maintain this guide with all safe, update methods. Currently only patched boot method is out for Stock Roms. I will add Twrp methods when we have decryption on pie.
Code:
Your warranty is now void.
We are not responsible for bricked devices, bootloop... Please
do some research if you have any concerns about mods
included in these GUIDES before using them! YOU are choosing to
make these modifications.
Install Magisk on Stock Roms Oreo & Pie
Needs:
- Bootloader unlocked, check this (currently not out) guide.
- Magisk Manager apk check Dowloads Section
- A brain
Procedure:
- Download the correct PatchedBoot file for your build from Downloads Section
- Rename the patched boot file to "patched_boot.img" and past it to your adb folder.
- Download Magisk Manager apk from Downloads Section
- Move apk to phone sdcard
- Reboot phone to bootloader by pressing Power + Volume Down until phone show the fastboot logo.
- Now open adb(fastboot) command prompt and type :
Code:
fastboot boot patched_boot.img
Your phone shoulds boot
- Install Magisk Manager apk
- Open Magisk Manager
- Click Install then choose Direct install. Reboot.
Done, you have Magisk on your device.
To uninstall Magisk just flash stock boot.img using fastboot:
"fasboot flash boot_a boot.img" and "fasboot flash boot_b boot.img"
Install Magisk on Custom Roms
Needs:
- Be on a Custom Rom
- Latest Magisk Beta zip check Dowloads Section
- Twrp latest file.img check Dowloads Section
- A brain
Procedure:
Sideload method. (It's for people who want to install Magisk on their phone during Custom Rom installation process without any permanent Twrp (usefull for people who want to root their phone when they have MTP issue during Custom Rom installation)
- Download the latest Magisk Beta zip from Downloads Section
- Rename the Magisk file to "magisk.zip" and past it to your adb folder.
- Download the latest TWRP img from Downloads Section
- Rename the twrp file to "twrp.img" and past it to your adb folder.
- Reboot phone to bootloader by pressing Power + Volume Down until phone show the fastboot logo.
Phone is now in fastboot.
- Type :
Code:
fastboot boot twrp.img
- Phone will boot Twrp.
- Navigate to Advanced > Adb Sideload
- Swipe to allow
- Open adb (fastboot) command prompt on your pc, type
Code:
adb sideload magisk.zip
Reboot and done, you have Magisk on your device.
Normal temp Twrp method. (It's for people who want to install Magisk on their phone when they are already running a Custom Rom without permanent Twrp.
- Download the latest Magisk Beta zip from Downloads Section
- Rename the Magisk file to "magisk.zip" and past it to your phone sdcard.
- Download the latest TWRP img from Downloads Section
- Rename the twrp file to "twrp.img" and past it to your adb folder.
- Reboot phone to bootloader by pressing Power + Volume Down until phone show the fastboot logo.
Phone is now in fastboot.
- Type :
Code:
fastboot boot twrp.img
- Phone will boot Twrp.
- Click Install, choose magisk.zip
- Swipe to confirm, wait for the process...
Reboot and done, you have Magisk on your device.
To uninstall Magisk just flash stock boot.img using fastboot:
"fasboot flash boot_a boot.img" and "fasboot flash boot_b boot.img"
If you have any issue, or if i make any type error, reply.
don't forget to ckick the TX button.
Downloads Section:
Boot / Patched Boot images
Magisk Thread for Beta zip / Apk file
Twrp images & zip
Click to expand...
Click to collapse
Thank you very much. It works for my stock rom. already clicked the thanks icon
dipankar.roy said:
Thank you very much. It works for my stock rom. already clicked the thanks icon
Click to expand...
Click to collapse
Thank you man, but plz next time don't quote the entire guide
Have a nice day
Matteo
No links available for stock boot 9.6.17.0
Edit: Oh I see, not his problem, dang.
Matteo said:
Welcome to AIO Magisk Sub Guide.
Here you will find best methods for root Mi A2. I will maintain this guide with all safe, update methods. Currently only patched boot method is out for Stock Roms. I will add Twrp methods when we have decryption on pie.
Code:
Your warranty is now void.
We are not responsible for bricked devices, bootloop... Please
do some research if you have any concerns about mods
included in these GUIDES before using them! YOU are choosing to
make these modifications.
Install Magisk on Stock Roms Oreo & Pie
Needs:
- Bootloader unlocked, check this (currently not out) guide.
- Magisk Manager apk check Dowloads Section
- A brain
Procedure:
- Download the correct PatchedBoot file for your build from Downloads Section
- Rename the patched boot file to "patched_boot.img" and past it to your adb folder.
- Download Magisk Manager apk from Downloads Section
- Move apk to phone sdcard
- Reboot phone to bootloader by pressing Power + Volume Down until phone show the fastboot logo.
- Now open adb(fastboot) command prompt and type :
Code:
fastboot boot patched_boot.img
Your phone shoulds boot
- Install Magisk Manager apk
- Open Magisk Manager
- Click Install then choose Direct install. Reboot.
Done, you have Magisk on your device.
To uninstall Magisk just flash stock boot.img using fastboot:
"fasboot flash boot_a boot.img" and "fasboot flash boot_b boot.img"
To uninstall Magisk just flash stock boot.img using fastboot:
"fasboot flash boot_a boot.img" and "fasboot flash boot_b boot.img"[/HIDE][/SIZE]
If you have any issue, or if i make any type error, reply.
don't forget to ckick the TX button.
[/SIZE]
Click to expand...
Click to collapse
After installing the patched boot image to my device (MI A2), android version 9. build number V10.0.2.0.PDIMIFJ,
the Magisk working properly. But when I turned off my phone and insert the power cable for charging, the phone start booting and stuck at "AndroidOne" logo.
Waiting for your advice...
Thanks..
dipankar.roy said:
After installing the patched boot image to my device (MI A2), android version 9. build number V10.0.2.0.PDIMIFJ,
the Magisk working properly. But when I turned off my phone and insert the power cable for charging, the phone start booting and stuck at "AndroidOne" logo.
Waiting for your advice...
Thanks..
Click to expand...
Click to collapse
That's a normal stock rom issue with magisk, you can't fix it. but if you want, we don't have this issue on custom roms
( next time plz don't quote the entire thread )
Matteo
Hey Matteo,
I've got a problem while booting with the patched boot image. Whenever I start the 'fastboot boot image' stuff, it ends with following message:
downloading 'boot.img'...
FAILED (command write failed (no error))
finished. Total time 0.002s
Phone screen goes black and says 'press any key to continue' or something like that. I tried several different USB ports and also different boot images, I cant even boot with the stock image.
When I unlocked the bootloader I had a problem that while booting the phone said I should perform a factroy reset because of a corrupt file system...after doing that, the phone itself works fine. But I really want the root access.
Have you ever encountered that message?
Thanks in advance
Update: Did the same procedure with my notebook and ironically it worked without a flaw. USB driver conflicts maybe?
On Pie V10.0.2.0, applied the patched_boot.img, Magisk was not installed at the beginning.
Installed Magisk manually but the phone was not rooted.
Applied the patched_boot.img again and I got root.
Now, every time I reboot the phone, root is gone and I have to apply the patched_boot.img again.
Thread closed on OP request

Message of dm-verity on TWRP Recovery website

I'm using android Pie(stock rom) on mi a1. I want to flash Lineageos for microG. On TWRP Recovery website, it says this device(mi a1-tissot) uses dm-verity and in order to bypass dm-verity's boot prevention, you will have to install a kernel that has dm-verity disabled in fastboot.
I'm completely new in the realm of flashing custom roms. And no website and youtube video talks about dm-verity in a clear manner:crying:. So what steps exactly should I follow to install Lineageos for microG?
Also, my phone(data) is encrypted. And I can't find a way to decrypt it. Will it affect flashing TWRP Recovery or Lineageos?
wHY did not anybody answer guys?
Here are the steps to install TWRP and maybe a custom ROM:
1.Make sure to have USB Debugging activated
2.Put the Mi A1 in Fastboot Mode(Volume Down+Power)
3.Connect your phone to your PC
4.Make sure to have downloaded platform-tools
5.Download the .img TWRP file and copy it in the platform-tools folder
6.Hold Shift and right Click in the platform-tools folder,and click onpen a PowerShell window here
7.Type fastboot devices or .\fastboot devices(for me the second worked)
8.Now write fastboot boot twrp.xx.xx.xx.img(here Goes the name of your .img TWRP file)
9.After 15 seconds,you will probably see a warning that asks You to swipe to allow modifications.Don't swipe.Press on:Keep read only.
10.From this point,You can install every custom ROM,You can install Magisk.
Hope this helped You out!
TheAlmigthyOne said:
Here are the steps to install TWRP and maybe a custom ROM:
1.Make sure to have USB Debugging activated
2.Put the Mi A1 in Fastboot Mode(Volume Down+Power)
3.Connect your phone to your PC
4.Make sure to have downloaded platform-tools
5.Download the .img TWRP file and copy it in the platform-tools folder
6.Hold Shift and right Click in the platform-tools folder,and click onpen a PowerShell window here
7.Type fastboot devices or .\fastboot devices(for me the second worked)
8.Now write fastboot boot twrp.xx.xx.xx.img(here Goes the name of your .img TWRP file)
9.After 15 seconds,you will probably see a warning that asks You to swipe to allow modifications.Don't swipe.Press on:Keep read only.
10.From this point,You can install every custom ROM,You can install Magisk.
Hope this helped You out!
Click to expand...
Click to collapse
I found this thread by doing something wrong that you mentioned. I didn't swipe to allow modifications and now the TWRP can't flash anything. Tried every remedy I can find but nothing. It can wipe system though, but not restore it so now I'm stuck in bootloops. Damn, idk what to do.
Dear Zentom,for me,that method worked.But,I can help you get out of that situation
1.Make sure to have your bootloader unlocked
2.Download the stock ROM for Mi A1
3.Boot into Fastboot Mode
4.Extract the stock ROM archive
5.Copy all the extracted files into the platform-tools folder
6.Find a .bat file names "flash-all"
7.Open it
8.After 15 minutes or so,your phone will boot.
Hope I helped you!
TheAlmigthyOne said:
Dear Zentom,for me,that method worked.But,I can help you get out of that situation
1.Make sure to have your bootloader unlocked
2.Download the stock ROM for Mi A1
3.Boot into Fastboot Mode
4.Extract the stock ROM archive
5.Copy all the extracted files into the platform-tools folder
6.Find a .bat file names "flash-all"
7.Open it
8.After 15 minutes or so,your phone will boot.
Hope I helped you!
Click to expand...
Click to collapse
Thanks, but I flashed the stock rom from twrp anyway. Though I had to flash the October 2019 ROM. Do you know anywhere where one can get an updated one?
If You want the latest stock ROM,this is:https://drive.google.com/file/d/1yVWv4hiTSk-3zai-4u2c2OcLpRdFL_J6/view

Disabling Stock Recovery flash on MIUI

Hello This a thread to show you how to prevent the stock rom from flashing the stock recovery every time you boot up. There is a script likely located in the boot.img file of the stock rom that flashes the stock recovery every time you boot up. what you have to do is overwrite that boot.img which would disable that script from running. one easy way to do this is to flash twrp and flash magisk.zip, this will overwrite the boot.img
magisk
Magisk-v21-4.zip - BytesTransfer
bytestransfer.com
"
McNoob
Senior Member
Google really is a friend. All I had to do was install Magisk before booting to System.
Below are my exact steps, if that helps someone.
Preliminary:
Download Magisk 17.1 zip, place it on a USB flashdrive.
Install latest magiskmanager apk from Play store (or sideload it if not on the store)
1- In Fastboot:
fastboot flash recovery twrp.img
fastboot boot twrp.img (If all goes well, this boots to TWRP; if prompted for a code, hit cancel)
2- Disconnect the cable.
Reboot to recovery once more (just to make sure, this is probably redundant; hit cancel if prompted for a code)
3- Mount USB-OTG, connect your flashdrive.
Install Magisk.
During the installation, you'll see some red fail lines, but Magisk seems to work around the encryption, just be patient.
4-Reboot System. You're done! Launch MagiskManager. Device is rooted in the process, too. (Verify with a root checker app).
Power Off. Hit Power + volume Up - You should boot to TWRP.
"

Root S8 with Magisk failed.

Hallo,
I installed lineage-19.1-20230606-UNOFFICIAL-dreamlte on my SM-G950F and the NikGapps-basic-arm64-11-20210501-signed with TRWP.
The installation was successfull.
Then I tried to install no-verity-opt-encrypt-6.1.zip and Magisk with TWRP. It does end with error1.
Tried several ways to repair, but everything had failed.
Then I tried to root with that guidance:
https://www.rootmeguide.com/samsung-galaxy-s8-plus-rooting-guide-magisk/
Installed the magisk.apk
Installed Minimal+adb+fastboot+v1.4.3-stup on my PC.
I took the boot.img from the linage file.
Step 3: Flash Magisk patched boot image.
On the command line window, type the below command and hit Enter.
fastboot devices -> show no devices
Enter “adb devices”
List of devices attached -> ce12171c7a2eab4005 device
Enter “adb reboot bootloader”
Shows “Downloading … Do not turn off target
Enter “fastboot flash boot boot.img”
<waiting for any device> Nothing happened.
Can someone help?
If you flashed a custom ROM, then your device is already patched and rooted, at least in TWRP.
So you only need to download latest magisk.apk, rename it to magisk.zip and install it with TWRP.
Then reboot to system and wait 3 minutes. If you can't open the magisk app, then again rename to magisk.apk and install it. After that, just follow the instructions from the magisk app.
Custom rom install SPD Upgrade Tool ....checked better...working any zip refresh file ...if install together root acces etc...logic ? if the custom rom isnt rooted etc...+ almost present devices no sd update = no need twrp refresh because its working from the stock service menu etc...nowhere device specific refresh file etc..
PS: your problem : custom rom isnt rooted and not working twrp root ..

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