Failed to mount /odm - Samsung Galaxy S9+ Questions & Answers

Hi,
I tried to flash noble rom but I am getting error failed to moun /odm.
I can still boot to recovery but the rom does not get flashed properly. Do I need to flash stock rom?

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Failed to mount "/system", can anyone help?

Hey!
I installed the most recent version of mm existenz and the latest twrp z2 recovery. I was able to flash multiple mods including xposed before I got this error when I try to flash anything in twrp.
it says: Failed to unmount "/system" (Device or resource busy)
Anyone knows how to fix this?
thanks in advance!
Flash another kernel.

Huawei Mate 10 Pro | TWRP v3.2.1-0 bricked my device

Hello folks!
I have a problem. I installed LineageOS onto my device, to get off of EMUI and all the bloatware. Afterwards I wanted to get root access. So I downloaded the version of TWRP, 3.2.1-0, and flashed it through fastboot-mode. I was really happy, when TWRP finally booted, but now my system seems to be bricked. I cannot boot into my system and if I try to wipe my data I always get the error message:
Code:
[COLOR="Red"]Failed to mount '/vendor' (Invalid argument)[/COLOR]
I also tried to recover through eRecovery, but when the system tried to get the info package from the server I just get an error and it cancels.
I really hope someone can help me!
Enrico1337 said:
Hello folks!
I have a problem. I installed LineageOS onto my device, to get off of EMUI and all the bloatware. Afterwards I wanted to get root access. So I downloaded the version of TWRP, 3.2.1-0, and flashed it through fastboot-mode. I was really happy, when TWRP finally booted, but now my system seems to be bricked. I cannot boot into my system and if I try to wipe my data I always get the error message:
Code:
[COLOR="Red"]Failed to mount '/vendor' (Invalid argument)[/COLOR]
I also tried to recover through eRecovery, but when the system tried to get the info package from the server I just get an error and it cancels.
I really hope someone can help me!
Click to expand...
Click to collapse
Did you flash LineageOS with fastboot and booted to it before trying to root?
If not, flash back stock recovery and do a factory reset from there.
ante0 said:
Did you flash LineageOS with fastboot and booted to it before trying to root?
If not, flash back stock recovery and do a factory reset from there.
Click to expand...
Click to collapse
Yes I did, but I think I found a solution. I'll try it out, maybe I have luck.

Problem with flashing ROM above Android 6

Hi guys,
I cannot flash any ROM above Android 6. I have TWRP 2.8.7 installed and I can't flash any other version neither with fastboot nor directly in TWRP.
Rooting with SuperSU is possible in TWRP but not with Magisk or flashing any ROM.
This is how I tried to flash the ROM:
1. Boot into recovery
2. Make factory reset, wipe dalvik cache/cache, wipe system/data
3. Install ROM from SD-Card
4. Error message: E: unknown command [log]
E: Error executing updater binary in zip /external_sd/AospExtended.zip
Error flashing zip /external_sd/AospExtended.zip
Does anyone know how to fix this?
Thank you so much for any help.
I installed TWRP 3.0.1.0 and I was able to install LineageOS.
Thread can be marked as solved and closed.

Is it possible to flash a Custom ROM using adb even though I can't mount system and vendor partition using custom recovery

Custom recovery: Orangefox R11_2.
Device: redmi Note 9s.
Before I flashed the miui using mi flash tool, I flashed build.prop file into the system and vendor partition, the SUPER option. Very dumb and desperate move by me.
But I got errors when using the mi flash tool so i had to flash it by using the fastboot.bat file and platform tools. On the unlock status on my developer options, it says my phone is locked but it is not. Because I can flash a Custom recovery.
When I try to flash the custom rom (after using the mi flash tool) through the recovery, I get the errors
Unable to mount /system (invalid argument)
Unable to mount /vendor (invalid argument)
So would I be able to flash the custom rom through ABD sideload?
Also I there a fix to my current problem?
Thank you.

need help after flashing custom rom in my redmi 10 (selene) the rom bootloops and if i try rebooting the phone bootloops

when i tried to flash any custom roms in my phone *redmi 10 (selene)* i encountered many problems like (twrp for miui 13 "downgraded to miui 12" - the bootlooping after flashing, failed to mount systemroot/vendor/product "need to format (not wipe) data before flashing) but i finally managed to solve those problems and now i can flash custom roms by formating (not wiping) data and changing /data file format to ext4 and flashing the rom
but now the problem here is that im stuck in custom rom boot screen (tried nausantara 4.4 and 4.5 and project lighthouse sailboat and all of them are official and i was planning to try cherishos but pling.com was down)
so is there any fix for that? (also no i think twrp isn't official as theres no official page for selene, no phone starts bootlooping after formating data after installing rom, tried using ofox but it was useless, and adb sideload doesn't work)
and also i tried to format data bso many times but it only sucseeded once and the phone started bootlooping after reboot
and i can flash stock miui without any problem (fastboot, edl, recovery "twrp i didn't try ofox yet")
thx in advance
also every time i reboot to recovery from fastboot (i have to install recovery img into boot partition from fastboot because i don't have a recovery partition) i see this error in twrp console
e:unable to decrypt fbe device
7m2h said:
Forget you have not the Snapdragon version
Click to expand...
Click to collapse
i don't get it
can you explain please?
thx in advance
Did you flash vbmeta disabled and No verity opt encrypt 6.1 zip like instructions said?
why ext4 format userdata back to f2fs

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