I need urgent help! (soft bricked device) - Huawei P9 Questions & Answers

when I try flashing a custom rom it gives me an error saying "failed to mount '/system' (invalid argument). please help me as I have no OS installed on my device my device is the Huawei P9 (eva-l09). tbh im about to cry .

Drysauce said:
when I try flashing a custom rom it gives me an error saying "failed to mount '/system' (invalid argument). please help me as I have no OS installed on my device my device is the Huawei P9 (eva-l09). tbh im about to cry .
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Click to collapse
I guess you still can go to twrp right? Download official rom, put into dload folder. Flash with 3 button method. Hope it's work. If you don't understand about custom rom, why try to install it? Official rom is already good enough

Related

[Q] Cant Flash any Rom On Mi3 Accept Lollipop by ivan...

I am not able to Flash any rom on my Xiaomi Mi3 Accept lollipop by Ivan...
I have done repartition 1.2Gb but still the same issue...
I get errors like this "blkdiscard failed invalid argument" "unmount of data failed (-1_: device or resource busy"
Please help someone...
thanks in advance...
Did you perform a full wipe? Try to re-download the roms and try flashing in on system 2

Help

Hello ! I need help. When i wanted flash a rom i got a message in twrp: Failed to mount '/applog' (Invalid argument) .When i flash some rom i reboot phone and he stop on boot animation. So i dont know what i should do now. If sb will know how to repair this i will happy. Sry for my english.
Misio0887 said:
Hello ! I need help. When i wanted flash a rom i got a message in twrp: Failed to mount '/applog' (Invalid argument) .When i flash some rom i reboot phone and he stop on boot animation. So i dont know what i should do now. If sb will know how to repair this i will happy. Sry for my english.
Click to expand...
Click to collapse
Restore stock firmware through flashtool. There are many guides on XDA and it is very easy to find

[SOLVED] Failed to mount '/cust', stucked at huawei logo.

Hello!
I tried to downgrade from nougat to mm and my /cust partition got corrupted.
Successfully installed EVA-L19C432B386 with the dload method, but I stuck at the huawei logo.
I have access to TWRP and fastboot, but in TWRP I got "Failed to mount '/cust' (Invalid argument)" error.
Could anyone help me to find out why these happen?
Thank you in advance!
EVA-L19
twrp-3.1.1-1-eva.img
EDIT: I found my stock cust.img and flashed it via fastboot. Finally it's working properly.
Can you install anything from TWRP
Rafa Mistry said:
Can you install anything from TWRP
Click to expand...
Click to collapse
I can, but every rom I install from TWRP ending with a "Failed to mount '/cust' (Invalid argument)" error message and won't boot.
Maybe if I can find my stock cust.img, I can restore it with this method.
But I cannot fint it anywhere.
At me similar was.
Hardly corrected the situation. I put twrp-3.0.2-0-eva-modaco-test1 in place of eRecovery using adb flasher, it saw the phone's memory. Then I formatted the "system" section in the ext2. Next, I rebooted into the stock recovery. It erased the cache (up to 100%) and data (an error of 19%), but the smartphone still loaded on the firmware Android 7.0 NRD90M test keys. Next, I requested a rollback, and then through the folder the dload in the built-in memory requested the firmware in b170.
Download http://download-c1.huawei.com/download/downloadCenter?downloadId=91764&siteCode=uk
Install use method buttons .
in your condition at this moment might get bricked after some wrong flash
so my suggestions is enter fastboot flash stock nougat recovery if your still there ( emui 5 )
or flash stock marsmallow recovery ( emui 4.1 ) then download the rollback and apply fix
after that flash your marsmallow desired firmware
Hi, I have the same problem, but I can't fix it.
I tried the @Limerain link solution, but it doesn't recognize the commands for adb.
Help me, please!
Oh, thank you.
rey_lagarto said:
Hi, I have the same problem, but I can't fix it.
I tried the @Limerain link solution, but it doesn't recognize the commands for adb.
Help me, please!
Oh, thank you.
Click to expand...
Click to collapse
Use fastboot command instead of adb.
Limerain said:
Use fastboot command instead of adb.
Click to expand...
Click to collapse
It didn't work either.
I've also tried Adb Pull, and it seems to do something, but no, it doesn't do anything.
Limerain said:
Hello!
I tried to downgrade from nougat to mm and my /cust partition got corrupted.
Successfully installed EVA-L19C432B386 with the dload method, but I stuck at the huawei logo.
I have access to TWRP and fastboot, but in TWRP I got "Failed to mount '/cust' (Invalid argument)" error.
Could anyone help me to find out why these happen?
Thank you in advance!
EVA-L19
twrp-3.1.1-1-eva.img
EDIT: I found my stock cust.img and flashed it via fastboot. Finally it's working properly.
Click to expand...
Click to collapse
Is the img your backup img? mind if I use it just to recover my system? I have the following issue https://imgur.com/a/nx6U5bC
Limerain said:
Hello!
I tried to downgrade from nougat to mm and my /cust partition got corrupted.
Successfully installed EVA-L19C432B386 with the dload method, but I stuck at the huawei logo.
I have access to TWRP and fastboot, but in TWRP I got "Failed to mount '/cust' (Invalid argument)" error.
Could anyone help me to find out why these happen?
Thank you in advance!
EVA-L19
twrp-3.1.1-1-eva.img
EDIT: I found my stock cust.img and flashed it via fastboot. Finally it's working properly.
Click to expand...
Click to collapse
Can Someone help me, somehow at fastboot I get error, command not allowed only at cust.img

Note 8 Ask for help bootloop

Hello dear friends. For the time being, I apologize for my English. I have the following problem. I bought Used a Note 8 N950f. the seller has not specified any of the defect problem. I have the following problem. the device does not start. I'm going to recovery and download mode. I have already successfully flashed the current firmware via odin. I have also deleted several times in recovery wipe data and cache no success. the device does not start just up samsung android Note 8. I use the current odin version. I have read some articles here in the forum and tried this without success. Please help me what else can I try and do.
This comes in the recovery menu below.. something is not right.
#fail to open recovery_cause(No such file or directory)#
#Reboot Recovery Cause is UNKNOWN
No Support SINGLE-SKU
File-Based OTA
E:failed to mount /efs (Invalid argument)
supported API: 3
E: unknown volume for path [/ odm]
E: unknown volume for path [/ vendor]
dm verity verification failed
E: [libfs_mgr] is_dt_compatible (): firmware info was not valid : '/ proc / device-tree / firmware / android / compatible': No such file or directory.
Claim defective device and demand a refund!
I tried. Without success.. Maybe there is someone who can help me. I would be very happy about that.
Is there no one who has an idea solution? Thank you already
?? :crying:
hello, im wondering if u have already found a solution to this problem. my friend's Note 8 also got the same exact problem as yours. tried flashing latest firmware using odin but to no avail.
i have the same problem. do you, by any chance, have found a solution?
alyffluqman said:
i have the same problem. do you, by any chance, have found a solution?
Click to expand...
Click to collapse
Did any of you try flashing the pit file too?
Try manually reinstalling the OS. That should resolve your issue. If not then take it to a Samsung Service Centre
I am stuck in the same situation basically, I tried 4 frimwares from different regions and nothing helped.
SM-G950FD
Exynos version
S8:crying:
If you have oem unlock then install twrp and flash no verity opt encrypt then it will be working :laugh:

Help please

I really need your help. My xiaomi mi a2 just got brick i think?.
I can't fix the " Failed to mount '/persist' (Invalid argument)
I can't even fix my persist:crying::crying:
I'm using twrp 3.3.1-0
Thamk you for the help
Update: fix by this https://forum.xda-developers.com/mi-a2/how-to/how-to-fix-sensors-camera-stock-pie-10-t3914885
Flash through mi flash a good firmware no?
blazessdd said:
Flash through mi flash a good firmware no?
Click to expand...
Click to collapse
No. Btw my persist has [0mb]

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