Develop Bugs

Pixel xl in twrp with no OS installed?

Hello to all. I have just unlocked bootloader, installed twrp and su. After everything booted up properly, I went to install an adblocker zip file, however once it booted into twrp it had no download folder, as well as when I went to reboot system it told me I had no os installed.. I'm a bit confused as to what to do now.. My apologies for clogging the thread if this has been answered before..
Edit: do I adb side load an image file or OS? I'm afraid of bricking this phone as I don't know how to continue from this point..

Which guide did you use to do all of this? I will help us understand where you started

Mrbobrowitz said:
Which guide did you use to do all of this? I will help us understand where you started
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Hi thanks for the reply. This link right here:
http://www.androidsage.com/2016/11/...timate-guide-root-twrp-and-bootloader-unlock/
Steps I followed:
1 unlocked bootloader
2 Download the below files TWRP and Root files for Google Pixel & Pixel XL
Official TWRP for Pixel phones → Download |
Files: twrp-pixel-installer-sailfish-3.0.2-0-alpha1.zip 7.6M
twrp-3.0.2-0-alpha1-fastboot-sailfish.img 25M
Flash SuperSU 2.78 SRF4 → Download | File: SR4-SuperSU-v2.78-SR4-20161115184928.zip
Twrp install instructions:
Step 1: Download the TWRP recovery and latest SuperSU zip file for your Google Pixel and Pixel XL devices. There are 2 TWRP files with .zip and .img extensions. You will need both. You don’t need to extract the files, just place all the files on your PC as well as your Android phone’s internal storage where you can easily locate it.
Step 2: Make sure that you setup ADB and Fastboot on your PC and gone through all the prerequisites from above.
Step 3: Now plug in the Pixel device to the computer and open a command prompt or terminal on your PC to the window where TWRP.zip file is located. (See above to know how to open cmd)
Step 4: Boot your Android device into the bootloader or Fastboot mode. To do so, issue the following command through cmd or terminal. You can also manually boot into it using the hard key combination like Power+Volume Down while the device is turned off. Meanwhile, use code:
adb reboot-bootloader
Step 5: Now issue the following command in the command prompt to check your device connectivity
fastboot devices
Step 6: Now issue the following command to temporarily boot up the TWRP image.
fastboot boot path/to/twrp.img
Note: If you have installed our recommend quick 15 second ADB & fastboot installer, you do not need to insert the complete file path. Simply go to where the TWRP image file is and issue command “fastboot boot twrp.img” Otherwise, note that “path/to/” is the actual directory for the TWRP image file. Use fastboot boot and not fastboot flash and that the file you are booting is not the zip file.
Simply After that, TWRP will be accessible to you no matter which active partition slots are being used.
Step 7: After that fastboot command, you will be rebooted into a temporary TWRP recovery interface. To make it permanent, use the TWRP interface to navigate to and install the TWRP.zip file. This is just like using TWRP to flash custom ROMS and SuperSU.
Once the installation completes, you can now enjoy your new firmware. Alternatively, while, on Mac OS, you can issue “./fastboot boot path/to/twrp.img” command or on Linux type “sudo fastboot path/to/twrp.img” to flash the TWRP. For detailed tutorial and alternate methods to flash the TWRP recovery, click here.
Now it’s time to root your Google Pixel with latest SuperSU 2.78 SR4.
How to root :
Place the latest SuperSU 2.78 SR4 package onto your device’s internal storage or SDcard.
Boot your device into the custom TWRP recovery and tap install. For that, turn off your device completely and hold volume down and power buttons for a few seconds.
Once into TWRP tap the install button and select the SuperSU file.
Swipe the confirmation action below to start flashing.
Once done. reboot to system.
You can boot into the TWRP recovery by issuing the following command:
adb reboot recovery

There is an alpha 2 for twrp now. I would try installing this and seeing if it works. If not, you can simply flash the latest factory image and "start over". Granted you would lose any data that you might have had not backed up on your device, but youre not out of luck!

I wouldn't waste your time. Just flash the factory image and start all over. You managed to wipe the Rom off your device

Smallsmx3 said:
I wouldn't waste your time. Just flash the factory image and start all over. You managed to wipe the Rom off your device
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Mrbobrowitz said:
There is an alpha 2 for twrp now. I would try installing this and seeing if it works. If not, you can simply flash the latest factory image and "start over". Granted you would lose any data that you might have had not backed up on your device, but youre not out of luck!
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Click to collapse
Thanks guys, I actually have installed the alpha 2 twrp. I guess my question is how do I proceed? I'm in twrp and my PC does not see the device when typing adb devices.. Within twrp it says no os installed... What do I do here?
So how do I "start over" or "flash factory image" from the state that I'm in?

mazubo said:
Thanks guys, I actually have installed the alpha 2 twrp. I guess my question is how do I proceed? I'm in twrp and my PC does not see the device when typing adb devices.. Within twrp it says no os installed... What do I do here?
So how do I "start over" or "flash factory image" from the state that I'm in?
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You should be able to boot into fastboot

Smallsmx3 said:
You should be able to boot into fastboot
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Click to collapse
Ok, and if that works then flash 7.1.1? Then twrp alpha then root via SuperSU flash?
A side question here is how did I wipe the os/from off the phone? I'm stumped on that one..

mazubo said:
Ok, and if that works then flash 7.1.1? Then twrp alpha then root via SuperSU flash?
A side question here is how did I wipe the os/from off the phone? I'm stumped on that one..
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Click to collapse
I couldn't tell you! I've had it happen to me before a couple times. But yes if you can get into fastboot you should be able to fastboot flash a factory image. Then go and flash TWRP and root

Smallsmx3 said:
I couldn't tell you! I've had it happen to me before a couple times. But yes if you can get into fastboot you should be able to fastboot flash a factory image. Then go and flash TWRP and root
Click to expand...
Click to collapse
Ok thanks. I've been able to reboot to bootloader...

I've figured it out via fast boot. The phone is back in action, however not sure how it got wiped initially.. Thanks everyone!

mazubo said:
Ok, and if that works then flash 7.1.1? Then twrp alpha then root via SuperSU flash?
A side question here is how did I wipe the os/from off the phone? I'm stumped on that one..
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mazubo said:
I've figured it out via fast boot. The phone is back in action, however not sure how it got wiped initially.. Thanks everyone!
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Off the top of my head... Probably selected the wrong "slot" maybe?
Remember on this device there are two locations for the ROM. Slot A and B. If you select the wrong one it will show no OS.
As far as the download folder missing... I know its mute at this point, but that has to do with the FBE (File Based Encryption). Make sure TWRP asks you for your Pattern Password. If you do not have one I would consider setting one. That way you know for fact that the File system will get decrypted properly. Also reports say you may have to reboot TWRP twice to get it to decrypt as well.

ROM installation failure : Encrypted file PARADOX

I have managed till installing twrp, however it seems like all the downloaded rom files and decrypt.zip are encrypted. I tried to copy 'em to the internal storage again but as I boot to twrp it again goes to encrypted mode. In Twrp, I tried to enable the MTP and copy files directly but it always fails. How do I go from here?? Please help!
Phone : MI mix 2
bootloader : unlocked
Twrp : installed
Twrp variant: Dwight twrp
Rom : Pixel Experience/ RR/ HAVOC etc

Use orange twrp

KaptanHarlock said:
Use orange twrp
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Click to collapse
orange twrp ? could you tell me where can I get it?

My 2 cents:
If you can still boot whatever OS you have right now, back up things you need (including internal storage), then format /data. Reboot into recovery and flash whatever you want, optionally DecScript to switch to unencrypted data after next boot. OrangeFox recovery is not necessary but its UI could be seen as intuitive to some.

AndyYan said:
My 2 cents:
If you can still boot whatever.... .
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I can boot in Twrp and Miui10 OS too. I want to install custom rom, but the rom.zip files turns out encrypted when booting up in Twrp. while being in Twrp I tried to transfer " unencrypted rom.zip " files in my PC to internal storage to flash it but I can't transfer it even after enabling MTp in Twrp.
How do I install the rom is my problem. Shall I wipe data, cache? and then how?

xdasith said:
I can boot in Twrp and Miui10 OS too. I want to install custom rom, but the rom.zip files turns out encrypted when booting up in Twrp. while being in Twrp I tried to transfer " unencrypted rom.zip " files in my PC to internal storage to flash it but I can't transfer it even after enabling MTp in Twrp.
How do I install the rom is my problem. Shall I wipe data, cache? and then how?
Click to expand...
Click to collapse
So you're seeing the storage as encrypted (garbled content)? I never actually used encrypted data so I don't know for sure, but Wight's TWRP might not be able to decrypt MIUI's /data, so IMO you do need to format (not wipe) /data. You might also need to reboot to recovery once after that, so that the storage is recognized properly by PC.

..d properly by PC.[/QUOTE said:
Thanks. ok I will factory reset the phone reboot to twrp. Im using Mi phone for the first time, so i was scared that might locked the bootloader again. it wont relock the bootloader would it? guess im asking too many stupid questions. I never had to go thru this kinda situation on my samsung devices. Thanks for helping
Click to expand...
Click to collapse

AndyYan said:
So you'... C.
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still not working. I wonder how people are installing Roms when you are booting in Twrp and finding everything encrypted.

xdasith said:
still not working. I wonder how people are installing Roms when you are booting in Twrp and finding everything encrypted.
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Click to collapse
Boot into TWRP and select Wipe and then Select the Format Data button.
Make sure you're not sliding to factory reset or advance wiping.
NOTE: This will erase all the information from the phone including internal storage. Make a backup prior this process.
After you're done, you can connect the phone to a PC while on TWRP to copy the rom zip files to internal storage and flash them. A backup from TWRP is highly recommended just in case.

xdasith said:
still not working. I wonder how people are installing Roms when you are booting in Twrp and finding everything encrypted.
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Click to collapse
Emphasis on "format (not wipe)"... Lester already made it clear for you.

lester0310 said:
Boot into TWRP and......
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thanks. I'll do that as soon as I reach home. I'll let you know the progress. I hope everything works well.

AndyYan said:
Emphasis on "format (not wipe)"... Lester already made it clear for you.
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Click to collapse
Ok. Now I got it. I'll do that n will let you know. Thanks again. Can't wait to try the rom. I'll drop some "beer" coins in ROM's donate account soon. Hope the link works.

AndyYan said:
Emphasis on "format (not wipe)"... Lester already made it clear for you.
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Click to collapse
Thanks for the help. I'll drop some beer coins at your rom's Donate link soon

xdasith said:
I have managed till installing twrp..c
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Hey! It works! I'm enjoying LOS16 on mi mix 2.
My problems :
1. Booting to Recovery Twrp :
only thru fastboot mode > fastboot boot twrp.img, Mi inbuilt recovery prevent me to boot to twrp.
Is there any way to go to twrp by just pressing buttons?
2. Flashing magisk/Universal_Decrypt.Zip Bootloops

xdasith said:
Hey! It works! I'm enjoying LOS16 on mi mix 2.
My problems :
1. Booting to Recovery Twrp :
only thru fastboot mode > fastboot boot twrp.img, Mi inbuilt recovery prevent me to boot to twrp.
Is there any way to go to twrp by just pressing buttons?
2. Flashing magisk/Universal_Decrypt.Zip Bootloops
Click to expand...
Click to collapse
Both work fine on my side so I'm assuming there's still something wrong with your setup, but on the other hand I don't really have a clue...

xdasith said:
Hey! It works! I'm enjoying LOS16 on mi mix 2.
My problems :
1. Booting to Recovery Twrp :
only thru fastboot mode > fastboot boot twrp.img, Mi inbuilt recovery prevent me to boot to twrp.
Is there any way to go to twrp by just pressing buttons?
2. Flashing magisk/Universal_Decrypt.Zip Bootloops
Click to expand...
Click to collapse
1- There are multiples ways to reboot to recovery:
Buttons combination: Turn the phone off and press Power + Volume Down and it will boot to recovery.
Apps (root required): There are multiples apps that has a option to reboot to recovery directly. Search something like advance reboot on Play Store.
adb (USB debugging required): Running the command "adb reboot recovery" from terminal will reboot the phone into recovery.
2- To flash magisk, first flash the rom and gapps and reboot to system, finish the initial setup and then reboot to recovery and flash the magisk zip file. Next reboot will take a few minutes.
Edit: The universal decrypt file is not necessary since the data partition is no longer encrypted.

lester0310 said:
1- There are multiples ways to reboot to recovery:
Buttons combination: Turn the phone off and press Power +...
Edit: The universal decrypt file is not necessary since the data partition is no longer encrypted.
Click to expand...
Click to collapse
Yes i agree. The thing is Mi has its own recovery, thats preventing me from going to twrp directly, (even though) twrp is properly installed. if i press the button combination it will go to the "Miui inbuilt recovery" Not to twrp. so i go the fastboot mode and boot to Twrp recovery thru adb command. If only I could suppress inbuilt recovery and boot to twrp recovery it would be great. Apps like "boot to recovery" only initiate booting in recovery. It fails to choose Twrp because there are two recovery inside.
In my previous devices, honor 8pro n Samsung 8+ this wasnt an issue. But with Mi phone...
Does yours boots to Twrp directly with the button combination?

xdasith said:
Yes i agree. The thing is Mi has its own recovery, thats preventing me from going to twrp directly, (even though) twrp is properly installed. if i press the button combination it will go to the "Miui inbuilt recovery" Not to twrp. so i go the fastboot mode and boot to Twrp recovery thru adb command. If only I could suppress inbuilt recovery and boot to twrp recovery it would be great. Apps like "boot to recovery" only initiate booting in recovery. It fails to choose Twrp because there are two recovery inside.
In my previous devices, honor 8pro n Samsung 8+ this wasnt an issue. But with Mi phone...
Does yours boots to Twrp directly with the button combination?
Click to expand...
Click to collapse
That's means that the TWRP recovery is not installed, there's is just one recovery partition and only one can be installed at the same time.
From fastboot mode run "fastboot flash recovery twrp.img"
That will replace the stock recovery and you will be able to boot to twrp with the button combination and any other app running the reboot recovery command.

lester0310 said:
That's means that the TWRP recovery is not installed, there's is just one recovery partition and only one can be installed at the same time.
From fastboot mode run "fastboot flash recovery twrp.img"
That will replace the stock recovery and you will be able to boot to twrp with the button combination and any other app running the reboot recovery command.
Click to expand...
Click to collapse
I installed Twrp with that command only once. After that, i have been using "fastboot boot twrp.img" only to boot in twrp.
Ok ill try reflashing twrp again with "fastboot flash recovery twrp.img"

xdasith said:
I can boot in Twrp and Miui10 OS too. I want to install custom rom, but the rom.zip files turns out encrypted when booting up in Twrp. while being in Twrp I tried to transfer " unencrypted rom.zip " files in my PC to internal storage to flash it but I can't transfer it even after enabling MTp in Twrp.
How do I install the rom is my problem. Shall I wipe data, cache? and then how?
Click to expand...
Click to collapse
Just remove lockscreen protection before rebooting into recovery. You will be fine. Do this before everytime you want something done in TWRP. You won't have to format DATA partition everytime. TWRP will decrypt with default password and you'll be good. I have moved between MIUI 10 and pie roms without trouble this way.
---------- Post added at 05:32 PM ---------- Previous post was at 05:31 PM ----------
xdasith said:
I installed Twrp with that command only once. After that, i have been using "fastboot boot twrp.img" only to boot in twrp.
Ok ill try reflashing twrp again with "fastboot flash recovery twrp.img"
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You can just use power + volume up combo to get into TWRP recovery. You don't basically need to fastboot for recovery after it's installed.

Fastbootd can't find "product" partition

I'm trying to install LineageOS via fastbootd, since TWRP can't mount the super partition. I can flash most images with a method similar to this post, but "fastboot flash product product.img" fails with "FAILED (remote: 'No such file or directory')". "fastboot erase product" gives a slightly more helpful "FAILED (remote: 'Partition doesn't exist')". The only solution I was able to find was apparently for 32bit Windows systems, neither applies to my computer.
How can I create this partition or, if it exists, make fastbootd see it? Or do I have to enter something other than "product"?

"adb sideload lineageos.zip" while in Los recovery

HueyT said:
"adb sideload lineageos.zip" while in Los recovery
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Yeah, that was the first plan, it's also what the official instructions say. But neither the LOS recovery, nor TWRP can mount the super partition, so sideload, flash, wipe, file explorer etc. all fail. At this point I think that TWRP for the OnePlus 7T (with or without "Pro") might just be unfinished software and not usable for ROM installation, but if you think it can work, please help here, it's my older thread about trying to get that to work: https://forum.xda-developers.com/t/recovery-unable-to-mount-storage.4378801/

Fabian R�ling said:
Yeah, that was the first plan, it's also what the official instructions say. But neither the LOS recovery, nor TWRP can mount the super partition, so sideload, flash, wipe, file explorer etc. all fail. At this point I think that TWRP for the OnePlus 7T (with or without "Pro") might just be unfinished software and not usable for ROM installation, but if you think it can work, please help here, it's my older thread about trying to get that to work: https://forum.xda-developers.com/t/recovery-unable-to-mount-storage.4378801/
Click to expand...
Click to collapse
MSMtool to go to last oos10, ota to latest oos11, install Los recovery, sideload los18.1 zip

HueyT said:
MSMtool to go to last oos10, ota to latest oos11, install Los recovery, sideload los18.1 zip
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Click to collapse
I just found this: https://forum.xda-developers.com/t/...l-to-restore-your-device-to-oxygenos.4002909/
That's a Windows tool. Wine can launch it, but I don't even know if it would work, because if I do "adb reboot edl", the phone just shows a black screen, almost as if it was off (but not really, because then it would show something when charged).
Can EDL mode break? Or this ADB command? How else would I enter that mode? I've also read to hold volume up and volume down, but I've done that for some time and nothing happened.

Apparently I have a "OnePlus 7 Pro", not a "OnePlus 7T Pro". I bought that accidentally, but the specs are fine. Actually following the instructions for the correct device worked, who would have thought…
I did not do the bootloader-based installation with that, so I'm not sure if I should mark this thread as solved.

How to make a backup with LineageOs recovery?

On an older phone I used TWRP recovery. That has a brilliant option to create system backups.
How to do that in the LineageOs recovery?
I want to clone one phone to another identical phone. I hope that can be done by creating a backup on phone 1 and install it from recovery on the other. Hopefully including the OS (with all the setting that take hours of fiddling about), apps and data.

Just use twrp..?

PhotonIce said:
Just use twrp..?
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But fom what I understand the TWRP-backup is only the system, not the apps and data.
In the install instructions for lineageOs, the lineageOs recovery is used. So I followed the instructions exactly. Just surprised there is no backup option.

carsten888 said:
But fom what I understand the TWRP-backup is only the system, not the apps and data.
In the install instructions for lineageOs, the lineageOs recovery is used. So I followed the instructions exactly. Just surprised there is no backup option.
Click to expand...
Click to collapse
Obliviously no, twrp backup include everything. I use twrp and when I have to install new lineage os update I boot lineage recovery from fastboot and keep internal recovery as twrp

carsten888 said:
But fom what I understand the TWRP-backup is only the system, not the apps and data.
In the install instructions for lineageOs, the lineageOs recovery is used. So I followed the instructions exactly. Just surprised there is no backup option.
Click to expand...
Click to collapse
Use twrp backup and select all the partitions. It'll back up everything.
Apps and settings are located in the data partition and other files/data is located in the internal storage partition. boot is the kernel, recovery is the recovery and system in the system image.
If you know what you're doing you could even install a fresh copy of lineage onto another phone and just restore the data and internal storage partitions, and still receive an exact copy of the phone you backup up from while using less space in the backup.

... An additional question. I apologize if my n00b question should be something I already know. However, I briefly had twrp on my device and then I flashed lineageOS and magisk on slot b and of course it switched to boot from slot b. Since then, I have not been able to access twrp as it is located on slot a. When I boot into recovery, it brings me automatically to lineageOS recovery. How would I access twrp once again?

Paul_Neocube said:
... An additional question. I apologize if my n00b question should be something I already know. However, I briefly had twrp on my device and then I flashed lineageOS and magisk on slot b and of course it switched to boot from slot b. Since then, I have not been able to access twrp as it is located on slot a. When I boot into recovery, it brings me automatically to lineageOS recovery. How would I access twrp once again?
Click to expand...
Click to collapse
Not sure what you mean by slot A and B, but just try flashing twrp again, it should override lineage recovery.

PhotonIce said:
Not sure what you mean by slot A and B, but just try flashing twrp again, it should override lineage recovery.
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Click to collapse
On my device there are two slots... A and B. Like two separate partitions that van have software installed to. When I installed my rom I first installed twrp to slot a and then my Tom to slot b which is what runs now when I power on my device. I can't install twrp to the slot my os is on as I would have issues with the os recovery that is on that slot.

Skorpion96 said:
Obliviously no, twrp backup include everything. I use twrp and when I have to install new lineage os update I boot lineage recovery from fastboot and keep internal recovery as twrp
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Click to collapse
Could you please explain (or link to instructions) how did you manage to have two different recoveries (TWRP and LOS) in the same phone? I would've thought that was not possible.

zogoibi said:
Could you please explain (or link to instructions) how did you manage to have two different recoveries (TWRP and LOS) in the same phone? I would've thought that was not possible.
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It's not. He keeps LineageOS recovery on the phone, and when he wants to use TWRP, he connects the phone to his computer via USB and runs fastboot boot twrp.img from the command line. This reboots the phone and loads TWRP into memory without flashing it to the phone.

@MJPollard Wow!! That's a very intersting trick! thanks a lot. I'll take that down as it seems darn useful. Just one question: the "alternative" recovery .img file should be in my computer, or previously copied to the phone?

zogoibi said:
@MJPollard Wow!! That's a very intersting trick! thanks a lot. I'll take that down as it seems darn useful. Just one question: the "alternative" recovery .img file should be in my computer, or previously copied to the phone?
Click to expand...
Click to collapse
actually i done the reverse, i have twrp installed and when i want to run lineage recovery i boot it with fastboot boot "recovery.img"

Thanks. Yes, I've realized that. Still, my question remains unanswered: In order to boot via fastboot, should the alternative recovery's .img file reside in the computer or in the phone? I presume the former, but I'm not sure.

zogoibi said:
Thanks. Yes, I've realized that. Still, my question remains unanswered: In order to boot via fastboot, should the alternative recovery's .img file reside in the computer or in the phone? I presume the former, but I'm not sure.
Click to expand...
Click to collapse
You ever flashed TWRP via cmd (adb) on a pc? It's the same thing but you use fastboot flash rather than fastboot boot. When you flash twrp on phone, you put the recovery.img file in your adb folder, if I'm not mistaken. The same thing goes for booting an .img file (it goes in the adb directory/folder in your pc).

zogoibi said:
Thanks. Yes, I've realized that. Still, my question remains unanswered: In order to boot via fastboot, should the alternative recovery's .img file reside in the computer or in the phone? I presume the former, but I'm not sure.
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The alternate recovery should remain on the computer. It can be in the same folder as adb and fastboot for easy access (it doesn't need to be there, it's just easier that way). That way, all you need to do is reboot the device into fastboot mode, connect it to the computer via USB, and run fastboot boot twrp.img (or whatever it's named). The original recovery will remain untouched on the phone while the alternate recovery runs in memory.

MJPollard said:
That way, all you need to do is reboot the device into fastboot mode, connect it to the computer via USB, and run fastboot boot twrp.img (or whatever it's named). The original recovery will remain untouched on the phone while the alternate recovery runs in memory.
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Click to collapse
Thank you. I know this question is a bit off topic, but when I try to run that command (with the phone in fastboot mode), it fails:
fastboot boot twrp.img
downloading 'boot.img'...
OKAY [ 1.611s]
booting...
FAILED (remote: Unrecognized command boot)
Do you have an idea of why is that? My device's recovery is LOS's, and the recovery I try to run from the computer is TWRP.

zogoibi said:
Thank you. I know this question is a bit off topic, but when I try to run that command (with the phone in fastboot mode), it fails:
fastboot boot twrp.img
downloading 'boot.img'...
OKAY [ 1.611s]
booting...
FAILED (remote: Unrecognized command boot)
Do you have an idea of why is that? My device's recovery is LOS's, and the recovery I try to run from the computer is TWRP.
Click to expand...
Click to collapse
Try fastboot boot recovery twrp.img. I don't normally do this so I might have misremembered it. If it works, I'll edit my post so that others don't get confused.

Nope, it didn't work. The first command you told me is the correct one (I've checked that on the fastboot manual), but it fails on my device. Maybe there is some incompatibility between LOS recovery's fastboot mode and the TWRP I am trying to run. I won't insist, as this is not the thread for such an issue. I will try to find some information somewhere else. Thank you all the same for trying to help!

zogoibi said:
Nope, it didn't work. The first command you told me is the correct one (I've checked that on the fastboot manual), but it fails on my device. Maybe there is some incompatibility between LOS recovery's fastboot mode and the TWRP I am trying to run. I won't insist, as this is not the thread for such an issue. I will try to find some information somewhere else. Thank you all the same for trying to help!
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have you found a solution for this? I m also having same trouble lineage os 20. I wanna use TWRP to make backup of whole rom.

agamemnonn said:
have you found a solution for this? I m also having same trouble lineage os 20. I wanna use TWRP to make backup of whole rom.
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I found out that it's not possible. LOS Recovery's fastboot mode has that command disabled.

Question installing custom recovery when device has AOSP recovery

So I installed a A13 AOSP rom (Evolution x) via orangefox and when I rebooted to recovery orangfox was gone and now I'm on AOSP recovery. I tried to "fastboot boot" TWRP but the phone restarts on black screen for several seconds then restarts again to system. and when I enter fastboot thro AOSP recovery and try to boot TWRP it just fails (says unrecognized command boot). how can I flash custom recovery? i was thinking of trying sideload but with fastboot not working properly, I dont want guessing and rather ask someone with more knowledge with AOSP recovery and what could be causing fastboot not working properly
PS/ AOSP recovery is not detecting otg, and when choosing apply updates from internal storage it says it cant mount /data

Aserar said:
So I installed a A13 AOSP rom (Evolution x) via orangefox and when I rebooted to recovery orangfox was gone and now I'm on AOSP recovery. I tried to "fastboot boot" TWRP but the phone restarts on black screen for several seconds then restarts again to system. and when I enter fastboot thro AOSP recovery and try to boot TWRP it just fails (says unrecognized command boot). how can I flash custom recovery? i was thinking of trying sideload but with fastboot not working properly, I dont want guessing and rather ask someone with more knowledge with AOSP recovery and what could be causing fastboot not working properly
PS/ AOSP recovery is not detecting otg, and when choosing apply updates from internal storage it says it cant mount /data
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What is the code name of your device?

NOSS8 said:
What is the code name of your device?
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Its alioth poco f3

Aserar said:
Its alioth poco f3
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Seems that in official no TWRP A13
https://androidfilehost.com/?w=files&flid=322193
Here boot version A12(more recent).
1. fastboot boot twrp.img
2. go to Advanced > Flash Current TWRP
https://dl.akr-developers.com/?dir=skkk/TWRP/A12/v5.6_A12
https://forum.xda-developers.com/t/recovery-12-official-teamwin-recovery-project.4272625/

Aserar said:
So I installed a A13 AOSP rom (Evolution x) via orangefox and when I rebooted to recovery orangfox was gone and now I'm on AOSP recovery. I tried to "fastboot boot" TWRP but the phone restarts on black screen for several seconds then restarts again to system. and when I enter fastboot thro AOSP recovery and try to boot TWRP it just fails (says unrecognized command boot). how can I flash custom recovery? i was thinking of trying sideload but with fastboot not working properly, I dont want guessing and rather ask someone with more knowledge with AOSP recovery and what could be causing fastboot not working properly
PS/ AOSP recovery is not detecting otg, and when choosing apply updates from internal storage it says it cant mount /data
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Click to collapse
It is because flashing rom also flash the recovery packed along with the rom, and it will replace your old recovery. To prevent it you need to also tick on the reflash ofox option when you flash a rom, which is too late in your case.
So, if you want to reflash ofox recovery, download and extract the zip file, locate the recovery.img in the extracted folder, reboot to bootloader and issue this command:
Code:
fastboot boot /path/to/recovery.img
then reboot to recovery with the command:
Code:
fastboot reboot recovery
and your device will temporarily boot into ofox recovery
The last step is to flash the recovery to ramdisk to make it permanently, you can find this option in ofox settings.

NOSS8 said:
Seems that in official no TWRP A13
https://androidfilehost.com/?w=files&flid=322193
Here boot version A12(more recent).
1. fastboot boot twrp.img
2. go to Advanced > Flash Current TWRP
https://dl.akr-developers.com/?dir=skkk/TWRP/A12/v5.6_A12
https://forum.xda-developers.com/t/recovery-12-official-teamwin-recovery-project.4272625/
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This is what I did befor posting but but TWRP wouldnt boot through fastboot. it just gives me blackscreen for a few seconds then it boots to system. but the problem was solved with ofx. thank you for your help

disconmair said:
It is because flashing rom also flash the recovery packed along with the rom, and it will replace your old recovery. To prevent it you need to also tick on the reflash ofox option when you flash a rom, which is too late in your case.
So, if you want to reflash ofox recovery, download and extract the zip file, locate the recovery.img in the extracted folder, reboot to bootloader and issue this command:
Code:
fastboot boot /path/to/recovery.img
then reboot to recovery with the command:
Code:
fastboot reboot recovery
and your device will temporarily boot into ofox recovery
The last step is to flash the recovery to ramdisk to make it permanently, you can find this option in ofox settings.
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Thank you mf this worked! Booting twrp through fastbood just gave me black screen so I didnt think that booting Ofox would be any different but it actually booted Ofox recovery and I flashed it no problem. If anyone's going to attempt this make sure to backup your data before cause you'll need to format data