Can I flash TWRP through magisk/TWRP no data loss? - OnePlus 7 Pro Questions & Answers

Can I flash twrp through twrp manager or magisk and not lose any data? I cannot find any guides on installing twrp with a patched rom.

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TWRP and Magisk help please!

I've been away for about a year so I'm behind on everything right now. I just flashed a factory image to get back to Android 8.1 and set my phone up from scratch. I would like to install TWRP and Magisk but have some questions..
TWRP. Do I just find the latest TWRP for this phone and the process is the same as before? Fastboot flash twrp img and then install TWRP zip?
Magisk: I have never used it before so I'm not to familiar at all. From what I can tell I just download the zip and install via twrp? Is there a specific version I should be looking for for the Pixel on 8.1 or will the latest from the Magisk forum work?
I've searched around and keep seeing random issues so I'm wondering if it's as straight forward as mentioned above. I see posts about people trying to install TWRP and Magisk and bootlooping and stuff like that. Thanks!!
Hello look here for the latest Recovery. https://twrp.me/google/googlepixel.html
Flash the TWRP image over the PC.
fastboot boot recovery TWRP.img
Then Flash it via TWRP. (the zip file on your sdcard).
The device has an A and B Partition. It would Flash on both.
If you Flash an custom Rom you Flash it on A Partition you must Flash TWRP.zip again. Reboot the device. After an reboot to Recovery you on B Partition automatically. Here you can Flash Magisk and other zips like custom Kernel or other.
If you Flash the custom Rom on B Partition you must flash magisk and other stuff on A Partition.
With Magisk 18.0 stable, some people have bootloops when flashing TWRP.
Best thing to do is just boot TWRP img when needed instead of flash the zip, maybe this has been fixed with latest canary builds but it's better boot the image just to be sure

100% proper way to install roms?

Hi
In every rom thread I see about a million different answers on how to properly install the rom. Usually the official instructions are very vague. I've been flashing roms for years but this ab partition is very confusing to me. I just got my oneplus 6 a few days ago. It would be great if someone very knowledgeable in how to do this could make a how to guide for both stock and custom roms. I think it would really help everyone and threads for each rom wouldn't be full of people asking it over and over (and getting different answers). Thank you devs for all that you do.
Custom if you don't know if you have the recommend base installed to both slots:
Flash OOS
Flash twrp
Reboot to twrp
Flash OOS
Flash twrp
Reboot to twrp
Wipe data, dalvik cache
Flash custom
Flash twrp
Reboot to twrp
Flash gapps
Flash magisk
Boot system
Custom update:
Flash updated custom rom
Flash twrp
Reboot to twrp
Flash gapps (not needed, but updated gapps is most likely better to use anyhow..)
Flash magisk.
From custom back to OOS:
Info: Format data needed because you will trigger encryptionsince you're on different securety patch. This is also the same way to go from beta branch of oos to stable since the securety patches is lower (in general) on stable.
How to:
Boot twrp
Plug phone in to pc and take backup of everything
When done format data
Transfer oos, twrp, magisk to phone
Flash oos
Flash twrp
Reboot to twrp
Flash magisk
Update oos from... Let's say 9.0.4 to 9.0.5
From Twrp:
Flash oos
Flash twrp
Reboot to twrp
Flash magisk
Boot
From oos:
Use ota update, let it install until it asks you to reboot.. DON'T DO IT.
instead go to magisk and search for "a/b" one module will be found, install it. DON'T REBOOT
Go to main screen of magisk and press install, install, install to inactive slot (after ota) when it's done you can reboot.
General ****ups:
Don't boot after update?
Flash magisk uninstaller
Try to boot (yes.. Without magisk)
If it boots you know it was magisk issue, most likely you had substratum overlays installed or modules that messed it up.
Reboot to twrp and flash magisk again and set up your modules one by one or apply themes or whatever you do with your root.

[Fixed] Installed Magisk V20 and i lost TWRP

Ive tried uninstalling magisk using the un-installer and no go. Ive tried booting into twrp then flashing the twrp zip then rebooting into recovery and it goes to the stock recovery. How do i get back TWRP?? Im on Pie and was using twrp .65
NVM: I had to re-flash 9.5.11 then twrp then reboot then magisk 19.4
I am in your same situation oneplus7.
Currently I was with twrp 3.3.1.1 but there is no way to catch any recovery. By flashing the image either version 1/65/70 (more current) by fastboot it enters correctly img you access twrp to later flash the zip But it never gets installed.
I tried to uninstall using img twrp Magisk zip uninstaller and install the 19.3 / 20v uninstall it completely and flash back to zip twrp but I am in a dead end.
Right now I am with Magisk v20 root edxposed and everything goes phenomenally as a result that I am going to "peel" without having twrp for my backups or anything.
Anyone have any idea how to install twrp again?
boot into twrp.img then flash the last rom you were using, then flash twrp.zip, reboot into recovery and install magisk 19.4. After reboot you will have to enable all your rooted apps again and install your magisk modules again.

I lost my twrp recovery

Hi all,
I just updated to 10.3 on my 7 pro plus. I know I really don't need twrp I do have the stock recovery but I like twrp. If I go thru the adb route, booting into twrp img and installing twrp zip, will it install into both slots? And will I lose root? Thanks for any help.
I'm not sure on the answer to your question but I used this guide to update and I didn't lose twrp.
https://forum.xda-developers.com/oneplus-7-pro/how-to/guide-bootloader-unlock-twrp-install-t3940368
Boot img, flash zip, flash magisk. Should give you twrp and keep root.
Thanks all. I just bit the bullet and tried flashing twrp.img from the twrp site to install the twrp.zip but the screen just stayed on fastboot so I rebooted into normal then attempted again with mauronofrio img and zips. ( Then I had to Magisk after I rebooted recovery.) It's all good. I hope this helps someone else as well.

Updating TWRP

Hi,
Before upgrading from OOS9.0.9 to 10.3.0 I have to update TWRP. I now have twrp-3.2.3-x_blu_spark_v9.86_op6.
Can I just flash the newest recovery (twrp-3.3.1-x_blu_spark_v9.108_op6.zip or twrp-3.3.1-16-enchilada-installer-mauronofrio.zip) in TWRP itself?
Which version of TWRP is prefered for 10.3.0?
Thanks!
3.3.1.16
Tapatalk - OnePlus 6
I'm not sure but probably flashing the Q supported twrp when you're on pie won't work. If that happens with you,
local upgrade would work and then you can flash Q TWRP by mauron using fastboot:
fastboot flash boot twrp.img
-Reboot to system
-It will open up TWRP, flash 10.3.0 zip file again
-Flash bluspark latest twrp if you wish to
-Reboot to recovery
-Flash Magisk 20.1
Done
See https://forum.xda-developers.com/oneplus-6/how-to/how-to-flash-twrp-magisk-android-10-t3988213
There it's stated in section B that you have to be on the latest TWRP before updating to 10.3.0
EDIT
Just flashed the new bluspark via the old TWRP and everything is fine except that i lost root.
I got root back by first flashing the magisk-uninstaller zip file and after that magisk 20.2

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