[FIX] How to solve "unable to mount data" error - Xiaomi Mi 5 Guides, News, & Discussion

Hey,
recently many are facing the problem to suddenly receive the above error and aren't able to solve it by formatting data (well, it cannot be mounted).
Here are the steps that I suggest in case you find yourself in that situation (obviously all data including internal storage content will be gone afterwards, so make external backups of important stuff if you can before continuing)
- (re-)flash lastest twrp (currently 3.2.1.1) via fastboot
- boot to recovery
- wipe dalvik, cache, vendor, system, data
- format data (the one where you need to type "yes")
- reboot to recovery before flashing anything
- now flash your stuff
This helped a few people already, but please comment if it also does (or doesn't) for you!
Cheers and greetings,
Phil the Thrill

I had this problem, but not always just formatting helps. First time when I install LOS 15.1 I didn't format internal storage then LOS crypt my storage and TWRP couldn't mount it and I can't just format it, I have error when I try to format it in ext4 by default. Then I try to format it to another file system and select ext2. TWRP succesful format data and then I select again to format it to ext4 and install other rom. I don't know why first time TWRP couldn't format data.
I use google translate. Sorry if I have misspellings

aleksandar9999a said:
I had this problem, but not always just formatting helps. First time when I install LOS 15.1 I didn't format internal storage then LOS crypt my storage and TWRP couldn't mount it and I can't just format it, I have error when I try to format it in ext4 by default. Then I try to format it to another file system and select ext2. TWRP succesful format data and then I select again to format it to ext4 and install other rom. I don't know why first time TWRP couldn't format data.
I use google translate. Sorry if I have misspellings
Click to expand...
Click to collapse
I didn't just suggest to format anything...
The important thing is to reflash twrp via fastboot.
The point is that after doing this you might even be able at all again to format data...
If you follow the further steps I think you're good to go and don't need to change any file system.

Phil_Smith said:
Hey,
recently many are facing the problem to suddenly receive the above error and aren't able to solve it by formatting data (well, it cannot be mounted).
Here are the steps that I suggest in case you find yourself in that situation (obviously all data including internal storage content will be gone afterwards, so make external backups of important stuff if you can before continuing)
- (re-)flash lastest twrp (currently 3.2.1.1) via fastboot
- boot to recovery
- wipe dalvik, cache, vendor, system, data
- format data (the one where you need to type "yes")
- reboot to recovery before flashing anything
- now flash your stuff
This helped a few people already, but please comment if it also does (or doesn't) for you!
Cheers and greetings,
Phil the Thrill
Click to expand...
Click to collapse
Thats because maybe on a backup you select another storage that nota the internal storage....maybe you select otg storage ir something....put the selection on Internal storage....and it resolves

I've same problem in my redmi note 4 (mido). I tried the same but it not works.
After update of resurrection remix oreo (30-05-2018), I unable to install any zip through twrp.It shows "unable to mount /vendor". I also search for vendor partition in mount menu but I cant found any options for it.
If you found any solution plz tell me......... thanks

Stonner_99 said:
I've same problem in my redmi note 4 (mido). I tried the same but it not works.
After update of resurrection remix oreo (30-05-2018), I unable to install any zip through twrp.It shows "unable to mount /vendor". I also search for vendor partition in mount menu but I cant found any options for it.
If you found any solution plz tell me......... thanks
Click to expand...
Click to collapse
me either, my problem. RRD. pls anyhelp?

Hutabarat said:
me either, my problem. RRD. pls anyhelp?
Click to expand...
Click to collapse
Hi, I had the same problem. (Redmi Note 4, Mido)
But after installing RedWolf (Build 27)
with adb/fastboot and everything works fine - without formating everything.

This maybe can help,
first i enter wipe menu on twrp and advanced wipe, mark data partition then repair or change file system, after that change file system, change to what ever except ext4 (i use ext2 one) then change again to ext 4. Done you get data partition back
*this method will wipe your data on that partition

solution about unable to mount data on s7 edge
Hi,
Make sure to do a backup of your data, all data will be erased
after many attempts to find the solution
i tried to go to recovery latest twrp:
go to wipe
select data
for me i choosed ext3 and make repair
than i select Fat and again ext3
you can choose another file system
Thank you

Thanks this worked for me
This is the best answer to solve the problem:
CHoozen said:
This maybe can help,
first i enter wipe menu on twrp and advanced wipe, mark data partition then repair or change file system, after that change file system, change to what ever except ext4 (i use ext2 one) then change again to ext 4. Done you get data partition back
*this method will wipe your data on that partition
Click to expand...
Click to collapse

This worked for me.
- (re-)flash lastest twrp (currently 3.2.1.1) via fastboot
- boot to recovery
- wipe dalvik, cache, vendor, system, data
- format data (the one where you need to type "yes")
- reboot to recovery before flashing anything
- now flash your stuff
I was in Xiaomi.EU 9.3.28 in a "encrypted storage" situation
After messing it up I endend in a situation where I can not mount the data partition.
Follow your steps and now I'm setting up xiaomi.eu 9.5.9 without a problem.
Thank you very much.

Wachuwey said:
This worked for me.
- (re-)flash lastest twrp (currently 3.2.1.1) via fastboot
- boot to recovery
- wipe dalvik, cache, vendor, system, data
- format data (the one where you need to type "yes")
- reboot to recovery before flashing anything
- now flash your stuff
I was in Xiaomi.EU 9.3.28 in a "encrypted storage" situation
After messing it up I endend in a situation where I can not mount the data partition.
Follow your steps and now I'm setting up xiaomi.eu 9.5.9 without a problem.
Thank you very much.
Click to expand...
Click to collapse
Thanks to you I was able to recover my wife's Redmi 5. Cheers :good:

could not mount data and unable to find crypto error
Good morning guys im using Xiaomi Redmi note 4x(mido) i installed LineageOS 15.1 then the gapps, but the google photos and other google apps keep crashing and recommended me to uninstall and install again. so i wen to twrp and installed the gapps again, then it keeps crashing again. so what i did is to wipe in twrp then installed linneage and the gapps but when rebooting it asked my password then after than i can't no longer boot it keep sayingf could not mount/data and unable to find crypto. i tried all the steps and fix i found here and in other sites but it does not work when i try changing it to other file system it says mke2fs -t ext3 -b 4096 /dev/block/mmcblk0p49, and error 64. Please help thank you

Still not able to mount storage.
Phil_Smith said:
Hey,
recently many are facing the problem to suddenly receive the above error and aren't able to solve it by formatting data (well, it cannot be mounted).
Here are the steps that I suggest in case you find yourself in that situation (obviously all data including internal storage content will be gone afterwards, so make external backups of important stuff if you can before continuing)
- (re-)flash lastest twrp (currently 3.2.1.1) via fastboot
- boot to recovery
- wipe dalvik, cache, vendor, system, data
- format data (the one where you need to type "yes")
- reboot to recovery before flashing anything
- now flash your stuff
This helped a few people already, but please comment if it also does (or doesn't) for you!
Cheers and greetings,
Phil the Thrill
Click to expand...
Click to collapse
I tried everything that is:
-changing file system also gives "unable to mount storage " in every format like fat, ext2, ext3, ext4.
-factory reset also gives same error "unable to mount storage"
-I also tried different recovery.
Please someone help me!!!

Wachuwey said:
This worked for me.
- (re-)flash lastest twrp (currently 3.2.1.1) via fastboot
- boot to recovery
- wipe dalvik, cache, vendor, system, data
- format data (the one where you need to type "yes")
- reboot to recovery before flashing anything
- now flash your stuff
I was in Xiaomi.EU 9.3.28 in a "encrypted storage" situation
After messing it up I endend in a situation where I can not mount the data partition.
Follow your steps and now I'm setting up xiaomi.eu 9.5.9 without a problem.
Thank you very much.
Click to expand...
Click to collapse
Format data solved everything. But before format data, you better backup all your files. Because all of it will be erased like new.
Thank you.

CHoozen said:
This maybe can help,
first i enter wipe menu on twrp and advanced wipe, mark data partition then repair or change file system, after that change file system, change to what ever except ext4 (i use ext2 one) then change again to ext 4. Done you get data partition back
*this method will wipe your data on that partition
Click to expand...
Click to collapse
I LOVE YOU!!! U saved me when nothing worked. Ty so much !!

Hey King,
I do not use a Redmi Note 8, yet I had the same problem with my Moto G5 Plus.
Until I read your post and now my phone works.
Thank you!

Hi, i have TWRP 3.6.0 installed on my mi 11 lite (courbet), and then it shows "unable to mount /data". I know, formatting helps, but what to do if i don't want to format it, only i want to update the rom?

Related

[Q] Completely reset i9100

Hello,
i really tried to find answers around before asking.
I have tryed different roms on my i9100, cm7, cm9, rr, miui. Now i have a tonn of folders from apps that are not even installed on my phone. Now what i want is to get rid of all the trash in my phone, like leftovers from apps i installed with previous roms and make a clean install of cyanogenmod 9.1.
How do i do that?
I would really appreciate any help. Tutorials, links, everything you guys can give to help me out.
Thank you
full wipe, install cm9, erase internal sd card
I normally do the wipes in cwm and format usb storage.
do the following and nothing of the old files will be left.
reboot to recovery
wipe data
wipe cache
mount and storage
format cache
format system
format data
mount cache
mount system
mount data
flash the rom
wait for the installation
Flash a samsung stock rom, keyin the following code using phone keypad *2767*3855# . Is a master factory format code.
Sent from my GT-I9100 using xda premium
Do this step by step :
1. to format internal and external mmc, connect your phone in mass storage mode and format each drive with windows format tool (right click on drive icon -> format)
2. to format flash memory go to recovery wipe data, wipe cache, wipe dalviq cache
3. Install rom
Cosmic Blue said:
do the following and nothing of the old files will be left.
reboot to recovery
wipe data
wipe cache
mount and storage
format cache
format system
format data
mount cache
mount system
mount data
flash the rom
wait for the installation
Click to expand...
Click to collapse
Thank yo very much! I didn't notice those formats in recovery before. That solved my problem.
/thread

Question about deleting partitions and boot

Hi!
- I have LG G2 mini D620r with stock 5.0.2 Android. Phone has unlocked bootloader, is rooted and TWRP 3.0.2 recovery is flashed.
Few days ago I installed CM13 just to try it and then returned to stock OS. Before flashing custom ROM i used to wipe dalvik, system, data and cache partitions. Now my question is what would happen if I add interal memory partition to list of 4 aforementioned partitions? I know that it would delete all the data in internal memory (and that's what I want to do, because I want my phone to be like it was before it was used for the first time), but would it be able to boot up to OS? I don't won't to flash a kdz file or something like that.
- Also, I can't seem to enter recovery through button combination. I tried all combinations I could find on the internet. When holding volume down + power button for a few seconds i gat an option to hard reset the phone. Only way to get into TWRP is to use QuickBoot app. Anyone having any ideas what could I do?
Triggering a hard reset with a custom recovery installed boots into that recovery.
Wiping internal memory will wipe everything under /sdcard. Not the external one. The built-in one.
To do a complete factory reset, in recovery choose /data and format it as ext4. Don't simply wipe it, or it will leave everything under /sdcard there, while a format will delete them.
Sent from my LG-D620 using XDA Labs
Vagelis1608 said:
Triggering a hard reset with a custom recovery installed boots into that recovery.
Wiping internal memory will wipe everything under /sdcard. Not the external one. The built-in one.
To do a complete factory reset, in recovery choose /data and format it as ext4. Don't simply wipe it, or it will leave everything under /sdcard there, while a format will delete them.
Sent from my LG-D620 using XDA Labs
Click to expand...
Click to collapse
Well you just keep on helping!
Thanks.
Just to be clear these are the steps:
TWRP> Wipe> Advanced Wipe> select partitions: Dalvik, Data, Internal Storage, Cache, System
After that I go to:
TWRP> Wipe> Format Data> type yes
Is that correct procedure?
After all this has been done will my phone boot up to stock Android 5.0.2 or would I have to flash some kdz or custom ROM?
Where can I find option to format /data partition as ext4?
1. Yes your steps are correct.
2. Your phone will not boot up to Android because you don't have ANYTHING on your phone. You just wiped the rom that was running on it. There are a few threads that have flashable stock Android that you can use. Worst case scenario you can always flash kdz. HERE under Custom Rom>lollipop you will see links to [stock] zips.
3. Pretty sure formatting data will format it by default to ext4.
mobiusm said:
1. Yes your steps are correct.
2. Your phone will not boot up to Android because you don't have ANYTHING on your phone. You just wiped the rom that was running on it. There are a few threads that have flashable stock Android that you can use. Worst case scenario you can always flash kdz. HERE under Custom Rom>lollipop you will see links to [stock] zips.
3. Pretty sure formatting data will format it by default to ext4.
Click to expand...
Click to collapse
Thank you. I'm gonna try that and see how it works.

Please help, I only can use TWRP :(

I have a LeMax2, I was running the ROM PixelExperience, I updated the rom for the last time in February, and when I tried to update the rom to the latest a few hours ago messages like "unable to find crypto footer" "error:7" showed, and when I tried to wipe cache "failed to mount '/data' (no such process)" and "unable to mount storage". Then I looked in youtube and changed the format first to EXT2 and go back to EXT4, and the only thing I did is to delete the data of my phone without making a backupp (my fault). What can I do now to install any ROM? Thank you so much.
Heyyo, first off, please ensure you have the latest version of TWRP. To install Oreo ROMs you need TWRP 3.2.1-0 or higher.
Next? I'd recommend reformatting your data partition to remove any form of encryption like this:
Wipe > Format Data > yes > reboot to recovery.
Then using a PC or USB flash drive copy and install your ROM of choice. :good:

Poco F1 internal Memory encrypted after loading MIUI Backup

Hi, I'm fairly new to XDA, flashing custom roms and rooting, but I'm really desperate right now.
I know many people probably already have had the same issue, but after searching all over the internet i didn't find my exact problem.
I used Nitrogen OS on my Pocofone F1, but after 1 Month of usage I wanted to try MIUI again, an important thing I remember is that i flashed a new kernel,
but I don't know if that makes any difference.
I made a backup of MIUI without any data on it (i made a hard reset before, so nothing would go wrong) and then installed Nitrogen OS the correct way (i wiped dalvik, data, ...) and everything, even installed the decrypter and everything worked fine.
Now I deleted dalvik, data, cache, ... and loaded the Backup of MIUI and as soon as I booted I suddenly got a bootup password, even though i should get nothing at all because it's basically a clean install.
I tried the normal password that i used all the time, but it didn't work, so i decided to get back to twrp.
Now i got a decryption password, that i don't know and the internal memory is 0 bytes large.
I loaded the nitrogen os backup that i also made, but it didn't work.
I read on other forums, that i should format my internal memory and try to flash the disable-force-encryption again, but i don't really know what to do exactly. i know how to format the memory, it's on the bottom when you want to delete data, dalvik, cache,... but still... .
Even if my phone is briked now, can anyone help me? I really don't know what to do
xueru said:
Hi, I'm fairly new to XDA, flashing custom roms and rooting, but I'm really desperate right now.
I know many people probably already have had the same issue, but after searching all over the internet i didn't find my exact problem.
I used Nitrogen OS on my Pocofone F1, but after 1 Month of usage I wanted to try MIUI again, an important thing I remember is that i flashed a new kernel,
but I don't know if that makes any difference.
I made a backup of MIUI without any data on it (i made a hard reset before, so nothing would go wrong) and then installed Nitrogen OS the correct way (i wiped dalvik, data, ...) and everything, even installed the decrypter and everything worked fine.
Now I deleted dalvik, data, cache, ... and loaded the Backup of MIUI and as soon as I booted I suddenly got a bootup password, even though i should get nothing at all because it's basically a clean install.
I tried the normal password that i used all the time, but it didn't work, so i decided to get back to twrp.
Now i got a decryption password, that i don't know and the internal memory is 0 bytes large.
I loaded the nitrogen os backup that i also made, but it didn't work.
I read on other forums, that i should format my internal memory and try to flash the disable-force-encryption again, but i don't really know what to do exactly. i know how to format the memory, it's on the bottom when you want to delete data, dalvik, cache,... but still... .
Even if my phone is briked now, can anyone help me? I really don't know what to do
Click to expand...
Click to collapse
First of all your phone isn't bricked. It's going to be ok.
The bad thing is that you will lose your internal storage.
The procedure to format data is :
(While in twrp) "mount"-> check "data"-> "repair change file system" -> format your data partition.
After that, no password will be asked. Now wipe system davlik cache and data and reboot into recovery again.
If you have sd card installed start flashing. If you don't, you need to plug into a pc and copy what you need inside your internal storage.
sotosgolf said:
First of all your phone isn't bricked. It's going to be ok.
The bad thing is that you will lose your internal storage.
The procedure to format data is :
(While in twrp) "mount"-> check "data"-> "repair change file system" -> format your data partition.
After that, no password will be asked. Now wipe system davlik cache and data and reboot into recovery again.
If you have sd card installed start flashing. If you don't, you need to plug into a pc and copy what you need inside your internal storage.
Click to expand...
Click to collapse
when i go to mount, i can't check data, because it doesn't appear, the List:
Cache
System
Vendor
Firmware
Cust
Persist
USB-OTG
Micro SD card
I use twrp on the version 3.3.0-0
when i go to "wipe" -> "format Data" it says that it will also remove the encryption should i do that?
xueru said:
when i go to mount, i can't check data, because it doesn't appear, the List:
Cache
System
Vendor
Firmware
Cust
Persist
USB-OTG
Micro SD card
I use twrp on the version 3.3.0-0
when i go to "wipe" -> "format Data" it says that it will also remove the encryption should i do that?
Click to expand...
Click to collapse
Yes. That's the solution. After that your device will get encrypted again on reboot, unless you flash encryption disabler. I would suggest keeping the encryption and not flashing anything more
sotosgolf said:
Yes. That's the solution. After that your device will get encrypted again on reboot, unless you flash encryption disabler. I would suggest keeping the encryption and not flashing anything more
Click to expand...
Click to collapse
all of the empty memory shows up and the encryption is gone, thanks for helping me, i was really desperate
xueru said:
all of the empty memory shows up and the encryption is gone, thanks for helping me, i was really desperate
Click to expand...
Click to collapse
i still got a little problem tough, if i try to flash a rom (i tried nitrogen os and lineage os), i get error 7, what can i do about it? my phone always boots into fastboot now, but i am still able to enter twrp
thanks for helping me
xueru said:
i still got a little problem tough, if i try to flash a rom (i tried nitrogen os and lineage os), i get error 7, what can i do about it? my phone always boots into fastboot now, but i am still able to enter twrp
thanks for helping me
Click to expand...
Click to collapse
i also still have the backup of nitrogenos on my sd card
xueru said:
i also still have the backup of nitrogenos on my sd card
Click to expand...
Click to collapse
i loaded the backup and it worked ty 4 everything
xueru said:
i loaded the backup and it worked ty 4 everything
Click to expand...
Click to collapse
The error 7 occurs due to outdated vendor/firmware. Download latest firmware and flash it before the rom you want (for example if you want to clean flash a rom: wipe system, davlik, cache, data.. flash firmware.. flash rom [you won't get error 7].. flash gapps.. reboot)
sotosgolf said:
The error 7 occurs due to outdated vendor/firmware. Download latest firmware and flash it before the rom you want (for example if you want to clean flash a rom: wipe system, davlik, cache, data.. flash firmware.. flash rom [you won't get error 7].. flash gapps.. reboot)
Click to expand...
Click to collapse
i'll try that next to get back to miui, i think i'll be able to do the everything else on my own thanks for everything

Question Orangefox can't wipe data: unable to mount storage

Hi, Orangefox can't wipe data, it gives me this error: unable to mount storage. I think the problem is that the data partition is somehow encrypted, but i haven't encrypted it so now I can't decrypt it because I don't have the password. I've already tried with the unlock password but it fails. I know the easy solution would be to format all data including internal storage but I would like to avoid that possibility. Do you know what can I do?
(The CrDroid rom I was installing before this problem occurred is in bootloop, so I can't access it).
Have you tried other recovery? TWRP, PE, Miui.
TWRP tells me the same thing: Unable to mount storage
I think the only solution is to format data. Is there a way to recover the files? I have no backup.
Data return is possible. Formatting must not be done and you must load the ROM from which the data came. That is, the last working ROM. After running it, then back up the data and only then try a new ROM where the data will be formatted.
StaryMuz said:
Data return is possible. Formatting must not be done and you must load the ROM from which the data came. That is, the last working ROM. After running it, then back up the data and only then try a new ROM where the data will be formatted.
Click to expand...
Click to collapse
How do i load the rom? I can't install it with TWRP, it says:
Devices on super may not mount until rebooting
recovery.
To flash additional zips, please reboot recovery to
switch to the updated slot.
I've tried also with OrangeFox, same error
OK, the problem was relative to the A/B slots: by switching to the other slot I managed to install and access to the rom. Now I can recover the files, so I can format data without problems. Thank you!

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