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cannot flash twrp to OxygenOS v2.1.4

I'm trying to get nethunter installed on this oneplus one I have come across.
Android ver 5.1.1
android sec patch level December 1, 2015
OxygenOs version 2.1.4
after " fastboot oem unlock" twice completes in 0.00 seconds then "fastboot reboot"
I then reboot again into fastboot and "fastboot flash recovery flash twrp-3.1.1-0-bacon.img" completes in .344 seconds (or something like that)
when I reboot from advanced reboot menu to recovery it still shows stock recovery.
when I reboot from "power-vol/down" still shows stock recovery.
do I need to restore device to factory original? (if possible) I installed nethunter 3.0 on nexus 7 tablet with multirom. was hoping to do the same with opo.
any help would be greatly appreciated.
I guess it thought it was going to be a strait forward, of
A. Flash twrp
B. backup image and flash cm13
C. flash su if not burned into rom and install busy box
D. install multirom manager
E. install nethunter zip from multirom-twrp
got stuck at step A. lol

rp201 said:
I'm trying to get nethunter installed on this oneplus one I have come across.
Android ver 5.1.1
android sec patch level December 1, 2015
OxygenOs version 2.1.4
after " fastboot oem unlock" twice completes in 0.00 seconds then "fastboot reboot"
I then reboot again into fastboot and "fastboot flash recovery flash twrp-3.1.1-0-bacon.img" completes in .344 seconds (or something like that)
when I reboot from advanced reboot menu to recovery it still shows stock recovery.
when I reboot from "power-vol/down" still shows stock recovery.
do I need to restore device to factory original? (if possible) I installed nethunter 3.0 on nexus 7 tablet with multirom. was hoping to do the same with opo.
any help would be greatly appreciated.
I guess it thought it was going to be a strait forward, of
A. Flash twrp
B. backup image and flash cm13
C. flash su if not burned into rom and install busy box
D. install multirom manager
E. install nethunter zip from multirom-twrp
got stuck at step A. lol
Click to expand...
Click to collapse
Flash TWRP again and this time instead of rebooting,just disconnect your device and press power+vol(-).Are you sure you're using Multirom-TWRP?

Mr.Ak said:
Flash TWRP again and this time instead of rebooting,just disconnect your device and press power+vol(-).Are you sure you're using Multirom-TWRP?
Click to expand...
Click to collapse
thanks that did it.

How to install TWRP after Magisk?

How to install TWRP after Magisk?
I have a OnePlus 6 running Oxygen OS 9.0 and I managed to install Magisk by obtaining the stock boot image and using the magisk manager app to patch it to include magisk, then I flashed the patched boot.img using fastboot and ADB.
The reason I did it this way is that every time I tried to boot with twrp.img in order to flash twrp.zip, I would run into a screen saying Qualcomm CrashDump Mode and TWRP wouldn't boot.
Now I want to install TWRP and I was wondering if there is any way of doing it by using Magisk, so I wouldn't have to boot twrp.img.
Any help would be greatly appreciated.

Same problem here. Already tried to boot every version of TWRP without success.

abrahammurciano said:
How to install TWRP after Magisk?
I have a OnePlus 6 running Oxygen OS 9.0 and I managed to install Magisk by obtaining the stock boot image and using the magisk manager app to patch it to include magisk, then I flashed the patched boot.img using fastboot and ADB.
The reason I did it this way is that every time I tried to boot with twrp.img in order to flash twrp.zip, I would run into a screen saying Qualcomm CrashDump Mode and TWRP wouldn't boot.
Now I want to install TWRP and I was wondering if there is any way of doing it by using Magisk, so I wouldn't have to boot twrp.img.
Any help would be greatly appreciated.
Click to expand...
Click to collapse
If you have magisk manager with working root.... Then YES you can.... Just download Official TWRP app from GPlay... Open it give root permissions and follow the onscreen instructions.... Thats it...and yes use the zip not the img file

James Blode said:
If you have magisk manager with working root.... Then YES you can.... Just download Official TWRP app from GPlay... Open it give root permissions and follow the onscreen instructions.... Thats it...and yes use the zip not the img file
Click to expand...
Click to collapse
But there's no button to flash, I open the app, select flash recovery, select device, but theres no button to flash it.
See screenshot

do you have fastboot and adb installed on your computer? I assume so as you have oem unlocked to flash magisk, correct?
Copy the TWRP file that ends with .img to your desktop
if so, open a command prompt (windows key +R and type cmd press enter)
type "cd desktop" without quotes and press enter
type fastboot boot "twrp.img" (whatever the file name actually is)
Congrats, you are now in TWRP. But wait, there's more! if you reboot to system or other wise leave TWRP at this point you will revert back to stock. to flash recovery onto your device permanently, install the TWRP.ZIP (The ZIP is IMPORTANT) as it changes the boot on the OP6 to have the TWRP image (oh, by the way, there is no recovery partition on OP6 like previous devices [Thanks A/B partition!])
Now you can reboot to your hearts content. remember if you update OOS, you will lose the custom recovery, so flash the TWRP.zip after every update!

Denkai said:
do you have fastboot and adb installed on your computer? I assume so as you have oem unlocked to flash magisk, correct?
Copy the TWRP file that ends with .img to your desktop
if so, open a command prompt (windows key +R and type cmd press enter)
type "cd desktop" without quotes and press enter
type fastboot boot "twrp.img" (whatever the file name actually is)
Congrats, you are now in TWRP. But wait, there's more! if you reboot to system or other wise leave TWRP at this point you will revert back to stock. to flash recovery onto your device permanently, install the TWRP.ZIP (The ZIP is IMPORTANT) as it changes the boot on the OP6 to have the TWRP image (oh, by the way, there is no recovery partition on OP6 like previous devices [Thanks A/B partition!])
Now you can reboot to your hearts content. remember if you update OOS, you will lose the custom recovery, so flash the TWRP.zip after every update!
Click to expand...
Click to collapse
Yes I have fastboot and ADB on my computer (Linux btw), and as I mentioned it the first post, I already tried that, except that instead of booting into TWRP after "fastboot boot twrp.img" I got to a screen saying Qualcomm CrashDump mode (see attached image (the image might not be exactly the same as mine, I found that on the internet because I don't have my computer to reproduce it now)).

super odd. maybe your boot image is corrupt? still doesn't explain why fastboot boot isn't working though... Try bluSpark's TWRP image. it's a solid build and I am not having issues with it.
https://forum.xda-developers.com/oneplus-6/development/kernel-t3800965/page17
or you can also try swapping to the other partition by typing 'fastboot --set-active=_a' (or fastboot --set-active=_b) and booting to that recovery.
if that doesn't work for ya, try and restore stock via fastboot is my only suggestion:
https://forum.xda-developers.com/oneplus-6/how-to/rom-stock-fastboot-roms-oneplus-6-t3796665

[/COLOR]
abrahammurciano said:
Yes I have fastboot and ADB on my computer (Linux btw), and as I mentioned it the first post, I already tried that, except that instead of booting into TWRP after "fastboot boot twrp.img" I got to a screen saying Qualcomm CrashDump mode (see attached image (the image might not be exactly the same as mine, I found that on the internet because I don't have my computer to reproduce it now)).
Click to expand...
Click to collapse
I wonder if this problem has been solved? After having Root without TWRP since last year, I decided to flash TWRP now because I miss having a Nandroid backup. But just like op, right after I type in "fastboot boot TWRP.img", I end up with that Qualcomm crash dump error, resulting in a fastboot boot loop every time I restart the phone. My only recourse is to use the MSM flash tool that reflashes everything and returns the phone into factory stock. In the process wiping out all my data. I don't think there's anything corrupted
EDIT: the problem wasn't the procedure; it was the damned bootable TWRP .img files. I downloaded different TWRP.img versions, and they all failed to flash into temporary TWRP, except for this one that I found here: https://drive.google.com/open?id=1CJoBQ5ZuAExv27XLWwLMFYfHoLEu5YFJ You can use this bootable .img to flash any TWRP version compatible with your device

Does it work for Android 10?
oneplus 6 running oxygen os beta 30 with magisk 20.1 without twrp

Borat38 said:
[/COLOR]
I wonder if this problem has been solved? After having Root without TWRP since last year, I decided to flash TWRP now because I miss having a Nandroid backup. But just like op, right after I type in "fastboot boot TWRP.img", I end up with that Qualcomm crash dump error, resulting in a fastboot boot loop every time I restart the phone. My only recourse is to use the MSM flash tool that reflashes everything and returns the phone into factory stock. In the process wiping out all my data. I don't think there's anything corrupted
EDIT: the problem wasn't the procedure; it was the damned bootable TWRP .img files. I downloaded different TWRP.img versions, and they all failed to flash into temporary TWRP, except for this one that I found here: https://drive.google.com/open?id=1CJoBQ5ZuAExv27XLWwLMFYfHoLEu5YFJ You can use this bootable .img to flash any TWRP version compatible with your device
Click to expand...
Click to collapse
Please I need TWRP for Blackview BV9600 pro please share with me if you have a link to a webpage I may find it

James Blode said:
If you have magisk manager with working root.... Then YES you can.... Just download Official TWRP app from GPlay... Open it give root permissions and follow the onscreen instructions.... Thats it...and yes use the zip not the img file
Click to expand...
Click to collapse
Hello I'm having magisk root access and official TWRP app but can't use it for NAndroid backup, how can I use the app for backup and fishing custom ROM?

Lost TWRP and root after update to MIUI 10

Hello,
I have a Mi Mix 3, MIUI global 10.2 stable, 10.2.2.0 PEEMIXM.
I managed to root, install TWRP and gcam after a few days of trying.
* Two days ago I updated from phone settings (About phone, Check updates ...)
* I lost both root and TWRP.
* I tried exactly the previous methods to root and phone stuck at booting (three dots flicking on the screen) - via PC / adb / fastboot.
* After that, I reset phone to factory settings and try again - boot in fastboot, try to flash TWRP and I get this error message: error cannot load TWRP.img file (not available or missing).
I also mention:
1. Phone was already rooted by the same procedure
2. Phone is unlocked
3. Dev options / USB debugging check
4. I renamed TWRP.img with recovery.img
5. I even try "TWRP" without extension ".IMG" (last week before the update I succeeded this way - no .img in the name of the file)
Please help
I need something so that I can root phone again AND won't delete TWRP and root after next update.
Thx very very much.

Any software update on this phone will overwrite TWRP if it has a recovery partition image, which most Xiaomi updates do have. There is a way to block it from getting overwritten by booting the phone, which has been implemented in the latest versions of the Chinese TWRP image. I do not know if they have been implmented on the official TWRP for our device.
Based on what you posted, it sounds like you probably need to reboot into the bootloader and use fastboot flash recovery "TWRPIMAGE.IMG" to install TWRP, then hold VOL Down + Power and reboot into TWRP. Once that is done, you can root again using MAGISK or whatever you choose to use for root.

PWn3R said:
Any software update on this phone will overwrite TWRP if it has a recovery partition image, which most Xiaomi updates do have. There is a way to block it from getting overwritten by booting the phone, which has been implemented in the latest versions of the Chinese TWRP image. I do not know if they have been implmented on the official TWRP for our device.
Based on what you posted, it sounds like you probably need to reboot into the bootloader and use fastboot flash recovery "TWRPIMAGE.IMG" to install TWRP, then hold VOL Down + Power and reboot into TWRP. Once that is done, you can root again using MAGISK or whatever you choose to use for root.
Click to expand...
Click to collapse
Thank you very much for your time and information. I must add that I was able to flash TWRP according to the procedure explained above, but I couldn't enter/access TWRP recovery. Then, I tried to re-flash TWRP and I always get the message: "error cannot load 'twrp.img' no such file or directory"
And I've tried several methods, several TWRP, different USB cables - almost everything you can imagine. Still, I cannot load the TWRP.img - it's not found. I must say I follow exactly the procedure explained in every posts.
What options do I have?

If you are using adb to load twrp, try putting it in the c/ of your pc, and putting twrp image in the adb folder, and if that didnt work, try renaming the img file to pocorecovery

Failed root, stuck on unlocked bootloader warning message.

Hi everyone,
I have tried to get root priviledges following a guide from Droidwin.com to flash Magisk throught TWRP. At the very last step, after flashing Magisk 19.3 throught TWRP when I tried to reboot my phone, it gets stuck on the "unlocked bootloader warning message", which is supposed to disappear after a few seconds and move on to the boot animation.
It seems like I can go to the stock recovery, which shows fastboot and wipe actions. At this point, I can acces the fastboot screen, but the device is not listed using the ADB command "adb devices", nothing is find.
I'm wondering, what can I try to restore the phone ? I thank you in advance for any suggestions.
Here are some additionnal informations:
---Device---
Oneplus nord running OxygenOS 10.5.5, european version.
---What I've done to get in this situation---
Unlock bootloader using ADB
Launch an TWRP image file using ADB
"Try" to root using Magisk 19.3 zip throught TWRP
Power off from recovery (using TWRP touch interface), but the guide tells to click reboot at this step ...
Get stuck on the warning message, not having any boot animation.

Try to boot in Fastboot.
Turn the Nord Off and start it with plus minus and Power.
Boot TWRP with "Fastboot boot "TWRP File name.img" and flash magisk 20.4

Thank you @denndenn.
I'm able to launch TWRP using the ADB command "fastboot boot [twrpfile].img". But when TWRP starts, it asks me for my decryption password, I type it, brief lines of code says "unable to read system/apex" before showing the home page of TWRP. Someone knows what this means, and if that can be the cause ?
I've then tried to reflash Magisk 19.3, which lead to the same result. I couldn't figure out how load Magisk 20.4 to my internal storage in order to flash it trought recovery ... Do you know how to flash a file which is not on my phone ?

Search forum....
Msm tool oneplus nord wipes phone but fixes any issues

thibdur said:
Thank you @denndenn.
I'm able to launch TWRP using the ADB command "fastboot boot [twrpfile].img". But when TWRP starts, it asks me for my decryption password, I type it, brief lines of code says "unable to read system/apex" before showing the home page of TWRP. Someone knows what this means, and if that can be the cause ?
I've then tried to reflash Magisk 19.3, which lead to the same result. I couldn't figure out how load Magisk 20.4 to my internal storage in order to flash it trought recovery ... Do you know how to flash a file which is not on my phone ?
Click to expand...
Click to collapse
Plug your phone to your PC while in TWRP, then you can use adb to push files to your phone, for example with adb push magisk.zip /sdcard. Then, flash Magisk in TWRP.

How about flashing stock boot to see if your OPN boots to system again and then simply load Magisk zip to your internal storage and then flash via TWRP?

Thank you a lot for your suggestions !
Here is the solution in my case :
Because fastboot was working, I was able to flash stock oxygen rom, and get every working, but it needs to erase all your data.
You can find a guide on the XDA topic "[ROM][STOCK][FASTBOOT][OPN] Stock Fastboot ROMs for OnePlus Nord". The rom list have the lastest roms version (09/2020), and the process is super automated.
Have a good week-end XDA !

[Guide] TWRP+MAGISK ROOT Installed on OOS 10.3.5

Ok guys, I decided to write this up because the current state of finding good info on this is quite messy. I'm going to keep it short and to the point.
I'm not here to explain what TWRP or Magisk Root are. You can find that somewhere else.
Goal:
Install TWRP and Magisk Root on OOS 10.3.5, without losing data.
(This same method worked on earlier versions of OOS 10, and may also work on later versions.)
Requirements:
OnePlus 6 Unrooted and Unmodified Recovery
Computer/Laptop
Magisk (ZIP)
TWRP Blu_Spark (ZIP)
TWRP Q by Mauronofrio (IMG)
Important Notes:
If you have installed or upgraded to OOS 10.3.5, then your device should be returned to stock (unrooted and unmodified recovery), and you're ready to begin. Otherwise, I suggest you simply reinstall the system again (full system links here) and then you'll be ready.
To send commands from your computer to your phone, you will need Android ADB debug software and possibly OnePlus drivers.
OnePlus Drivers Installation Instructions
Download Links:
Magisk 20.4 ZIP
Magisk Uninstaller 20.4 ZIP
TWRP Blu_Spark 3.4.0-x v9.116 ZIP
TWRP Q by Mauronofrio 3.3.1-18 IMG
Begin
Step 1:
Disable all lock patterns and security on your phone.
Step 2:
Back up anything important on your phone. You accept responsibility for any lost data.
Step 3:
Copy/Save the ZIP files (Magisk + Magisk Uninstaller + TWRP Blu_Spark) to the storage in your phone. The IMG file (TWRP Q by Mauronofrio) should be saved on your Computer
Step 4:
Boot your phone to fastboot mode.
(Power off. Then press Power on + Volume Up)
Step 5:
Connect phone to computer with USB. (Don't use a crap/cheap USB cable or the connection may fail.)
Step 6:
On your Computer, Open the command line, and Run the command to fastboot the TWRP Q by Mauronofrio
fastboot boot twrp-3.3.1-18-enchilada-Q-mauronofrio.img
Step 7:
Your phone should boot into TWRP (this is a temporary boot and nothing yet has been modified on your device).
Step 8:
Use the TWRP menu to Install both ZIP files. Starting with TWRP Blu_Spark, then Magisk.
BEWARE, DO NOT REBOOT BETWEEN INSTALLS! READ CAREFULLY. TWRP MAY TRY TO REBOOT. INSTALL BOTH ZIP FILES BACK TO BACK WITHOUT REBOOT.
Step 9:
Reboot. Complete. Congratulations.

If someone could provide me a link to ADB, then I will gladly include it in the post. Thank you

BEWARE, DO NOT REBOOT BETWEEN INSTALLS! READ CAREFULLY. TWRP MAY TRY TO REBOOT. INSTALL BOTH ZIP FILES BACK TO BACK WITHOUT REBOOT.
With reboot works too. Install twrp then reboot system, then reboot recovery from system, and install magisk. Works. I tried several times.

Shyciii said:
With reboot works too. Install twrp then reboot system, then reboot recovery from system, and install magisk. Works. I tried several times.
Click to expand...
Click to collapse
I have had bad problems on an earlier version, where Blu_Spark would Not properly install Magisk, and ruined my Recovery. Let me ask, on reboot, Did you boot into TWRP Q Mauron or TWRP Blu_Spark to install Magisk?

Sepero said:
I have had bad problems on an earlier version, where Blu_Spark would Not properly install Magisk, and ruined my Recovery. Let me ask, on reboot, Did you boot into TWRP Q Mauron or TWRP Blu_Spark to install Magisk?
Click to expand...
Click to collapse
I always use Mauron-like TWRP, and never had a problem.

Shyciii said:
I always use Mauron-like TWRP, and never had a problem.
Click to expand...
Click to collapse
Well then, I should consider you luckier than me, as I've had lots of data lost due to the issues with TWRP and Magisk. According to Mauronofrio,
"after some tests i'm sure there is a compatibility problem between twrp and magisk, i was able to get only one of them, so actually i don't know how to proceed, i need to understand if it is a twrp problem or a magisk problem, TWRP is in stand-by for now."
https://forum.xda-developers.com/on...overy-unofficial-twrp-touch-recovery-t3860815
If TWRP by Mauronofrio is now working with the latest Magisk, then he it appears he has not publicly stated so. Did you install Magisk 20.4?

Sepero said:
Well then, I should consider you luckier than me, as I've had lots of data lost due to the issues with TWRP and Magisk. According to Mauronofrio,
"after some tests i'm sure there is a compatibility problem between twrp and magisk, i was able to get only one of them, so actually i don't know how to proceed, i need to understand if it is a twrp problem or a magisk problem, TWRP is in stand-by for now."
https://forum.xda-developers.com/on...overy-unofficial-twrp-touch-recovery-t3860815
If TWRP by Mauronofrio is now working with the latest Magisk, then he it appears he has not publicly stated so. Did you install Magisk 20.4?
Click to expand...
Click to collapse
Of coz. I always use the latest Magisk, so now 20.4

I've never rooted my device can i go from stock to root or.do i need to oem unlock? Tnq.

Hi, I need help.
On step 8 I can not find files I copied on step 4. How I should copy those files to find it when I need to install them in step 8?
Thank you

I got following message returned:
FAILED (remote: boot is not allowed in Lock State)
Do I have to unlock bootloader before? This would wipe all data ...

followed the second half of the guide being an idiot and just keep all security as is. workt like a charm actually.. Thanks:highfive:

We don't need to unlock the bootloader before doing this???
fastboot OEM unlock????

techstuff_18 said:
We don't need to unlock the bootloader before doing this???
fastboot OEM unlock????
Click to expand...
Click to collapse
No, first unlock bootloader because you can't run twrp in fastbot. I did this, mean installed magisk on latest oxygen.

erdock said:
I got following message returned:
FAILED (remote: boot is not allowed in Lock State)
Do I have to unlock bootloader before? This would wipe all data ...
Click to expand...
Click to collapse
i unlocked it then all worked. and yes all data wiped