Internal memory corrupt - Micromax Canvas A1

Hello Android Gurus!
I need help with the issue I'm currently facing. My Micromax AQ4501 recently got stuck in a boot loop. So I tried to hard reset the phone. But it was unsuccessful. Then when I restarted the phone it was stuck at the Micromax logo. When I went to the recovery (Android default), it said E:failed to mount /cache (Invalid argument). Wiping cache partition did not solve this. I used the Andriod One Tool to force start in TWRP recovery. There it showed that the internal memory is 0MB and /system /cache and /data partitions were grayed out (0MB) in the backup option as well. Few forums suggested that I flash it with stock ROM but I'm unable to unlock the OEM in fastboot command. Now, my phone only shows the Micromax logo. Can anyone suggest me how to restore and mount the internal memory? If any of are willing to help, you are free to use TeamViewer to help me out as I ain't bright when it comes to phones! Thankyou

Same problem
My phone also have the same problem .When i update to marshmellow it went off and it was on a bootloop then i tried to clear the cache but it shows cant load cache.

Related

[Q] I've unmounted and reset and am now stuck. Help?

I've already looked through previous posts and there seems to be no avail.
From 4.1.2. stock build, UVDMD5, (I'm assuming, that's when I bought it)
I tried to flash 4.4 ROMS onto it, Both Gummy and Beanstalk with their respective Gapps.
It wouldn't work and I wiped and reset and odin'd in the original firmware UVDMD5, so it successfully led to the beginning phone setup ONCE.
Then, from stock, I figured why not root and flash the ROMS once more? and this time, the galaxy would not have it.
I odin'd myself after the roms failed once more, but now..
Now the phone is stuck at the SAMSUNG loading boot screen.
Everytime I odin in the UVDMD5 setup, it says it's successful but constantly stuck at the boot screen.
I can get myself into recovery but no options are available to me.
If I try to progress forward, the roms will not work and I realized what might've done me in.
Once the roms in the very first trials wouldn't work, I messed with the mounting to see if it would change anything(HUGE mistake I now realize)
I think I unmounted /data and /system and pretty much everything!!!
I'm in the stock recovery so I could pull .zips from the external SD and I've tried to put in Cyanogenmod Recovery so I could get to the mounting options,
but now everytime it says that signature verification failed.
Tl;dr: I'm an idiot and unmounted everything and now it's stuck at boot screen and odin doesn't work. PLS HELP!
ps: ignore the ageold signature
First flash the very latest Recovery with ODIN. You will need to put the phone in download mode to do that. Next, flash Root66 version of UVDMD5 via odin and then flash Rom of your choice via Recovery.
I've taken the root66 and finished odin'ing it in, but no success. It's still stuck on the SAMSUNG screen.
When I boot up to (stock) recovery, the first red messages that appear is
E:failed to mount /data
can't mount '/data' (invalid argument)
and when I go into >apply update from external storage and try to apply cyanogen latest recovery,
all it gives me is E:failed to verify whole-file storage.
There is no /data, what do I do?
Please flash CWM Recovery via Odin.
First of all, thanks for sticking with me for this long.
I successfully installed Clockwork with odin and I thought this would be the end, but
It successfully mounted /system and /external_sd but,
Error mounting /data!
Error mounting /sdcard!
I don't know what to do from here. Is there a simple fix?
Did you flash latest version of CWM ? If yes then try Factory Reset in the Recovery.
I did factory reset it:
. . wiping data . .
formatting /data . . .
Error mounting /data!
Skipping format . . .
Formatting /cache
Formatting /sd-ext
Formatting /sdcard/ .android_secure
Error mounting /sdcard/ .android_secure!
Skipping format . . .
Data Wipe Complete.
Is what shows up and still /data and /sdcard cannot be mounted. Anything else? I'm desperate.
Part 2: I tried moving past all that and tried to run the ROMS, but it goes on to tell me:
This package is for "d2tmo" devices; this is a "d2vzw"
what does that mean?
Can you manually mount SD Card in the Recovery ?
I'd not try any roms until this issue is resolved.
What do you mean by manually?
The external sd card can be mounted, I'm pretty sure it means that the internal sd can't be mounted.
How would I mount internal in recovery? the options says it can't mount /data and /sdcard
Try TWRP Recovery.

Unable to mount

Hi
I have a HTC One M8 and it was rooted and flashed with cyanogenmod. Today my phone just died by itself so I tried to start it up again. what happend was weird, it got stuck on the boot animation. i tried to shut it of and on and it kept getting stuck on the boot animation. I got in to the TWRP (2.7) recovery mode and tried everything there. I try to factory reset it and I get failed. it just says Unable to mount '/data' and Unable to mount internal storage. I try to shut it of and now it says that I don't have any OS installed. Through guides I mange to transfer a new cyanogenmod rom to the phone in hopes of trying to reflash it. But again, when I try to flash it I get failed and it says Unable to mount '/data' and Unable to mount internal storage.
I don't know what to do, I'm stuck. Help appriciated. I don't know what more information is needed to able to help me.
so through a lot of searching, I think that my main problem is because i can not mount my data folder. Everything I do, I get the message E: Unable to mount '/data'. I look inside data and the folder is empty. I tried this "How to: Fix a corrupted DATA partition on the HTC One" on Android Revolution HD (can't link the site since i'm a new member) and it didnt help. I got stuck at the "mount /data" command. The whole folder seems corrupt. I read on some places that I should format it in windows manager but that doesn't seem possible. My phone appears as a "CD-device(F" on my computer and I cant format that.
This is my only working phone and I really need it to work. plz help.
I've tried dozens of unrooting guides but none of them seem to work because of my mount problem.
whataboutthis32 said:
Hi
I have a HTC One M8 and it was rooted and flashed with cyanogenmod. Today my phone just died by itself so I tried to start it up again. what happend was weird, it got stuck on the boot animation. i tried to shut it of and on and it kept getting stuck on the boot animation. I got in to the TWRP (2.7) recovery mode and tried everything there. I try to factory reset it and I get failed. it just says Unable to mount '/data' and Unable to mount internal storage. I try to shut it of and now it says that I don't have any OS installed. Through guides I mange to transfer a new cyanogenmod rom to the phone in hopes of trying to reflash it. But again, when I try to flash it I get failed and it says Unable to mount '/data' and Unable to mount internal storage.
I don't know what to do, I'm stuck. Help appriciated. I don't know what more information is needed to able to help me.
Click to expand...
Click to collapse
What carrier are you on?
Try to flash TWRP again. And update the version. Sometimes this alone will fix the data partition not mounting bug.
whataboutthis32 said:
so through a lot of searching, I think that my main problem is because i can not mount my data folder. Everything I do, I get the message E: Unable to mount '/data'. I look inside data and the folder is empty. I tried this "How to: Fix a corrupted DATA partition on the HTC One" on Android Revolution HD (can't link the site since i'm a new member) and it didnt help. I got stuck at the "mount /data" command. The whole folder seems corrupt. I read on some places that I should format it in windows manager but that doesn't seem possible. My phone appears as a "CD-device(F" on my computer and I cant format that.
This is my only working phone and I really need it to work. plz help.
I've tried dozens of unrooting guides but none of them seem to work because of my mount problem.
Click to expand...
Click to collapse
Hey, i just got the EXACT EXACT same problem! Did you manage to workout a solution for it? I've been reading all
day threads of the "E: Unable to mount '/data" problem, and i'm really really confused about what to do.. would be great if you could tell me how it went. :good:

unable to mount /data

Hi all,
Let me start with the fact that I did something really stupid, I formated the storage in TWRP (version 2.8.0), instead of just wiping the dalvik, data and other. After that I installed the custom ROM, however the tablet would not boot, it stays at the boot animation. If I go to the TWRP, I see that the internatl storage is 0MB and it says it cannot mount \data and other files.
I tried installed other ROM as well but same thing.
Tablet is rooted.
Help me please to recover the tablet (P600)!!
Kyrillos said:
Hi all,
Let me start with the fact that I did something really stupid, I formated the storage in TWRP (version 2.8.0), instead of just wiping the dalvik, data and other. After that I installed the custom ROM, however the tablet would not boot, it stays at the boot animation. If I go to the TWRP, I see that the internatl storage is 0MB and it says it cannot mount \data and other files.
I tried installed other ROM as well but same thing.
Tablet is rooted.
Help me please to recover the tablet (P600)!!
Click to expand...
Click to collapse
Load the rom on an external sdcard, and flash from there. I usually wipe everything when flashing a new rom except for the external sd card. If that doesn't work, try booting into the odin download mode and reflash to stock firmware via ODIN. Then try flashing again.

0MB Internal Storage in TWRP

Hello everyone,
I have a little problem with TWRP on my LG G3 (D855, 32 GB).
I installed TWRP two months ago and flashed CyanogenMod 12.1.
Now I've noticed that TWRP (2.8.6.0) shows the Internal Storage with 0MB.
When I tap the middle Icon on the bottom of the TWRP Main screen, I get an (maybe helpful?) output:
Code:
E: Could not mount /data and unable to find crypto footer.
E: Unable to mount '/data'
E: Unable to recreate /data/media folder.
Updating partition details...
E: Unable to mount '/data'
...done
E: Unable to mount storage
E: Unable to mount /data/media during GUI startup.
Full SELinux support is present.
E: Unable to mount /data/media/TWRP/.twrps when trying to read settings file.
E: Unable to mount '/data'
MTP Enabled
I'm a bit confused. Could this be, because I used CyanogenMod's Device Encryption?
I'm planning on reverting to Stock Rom (...i quite liked it. And considering the camera quality, CM isn't really any better), but i fear this (or flashing anything different) could brick my phone, since there seems to be something strange.
Is there any way to debug or even fix this?
Is it safe to revert to Stock, when TWRP doesn't even detect the Internal Storage? (following this Guide: http://forum.xda-developers.com/showthread.php?t=2785089)
I'd be glad about any help oder hint, about how to proceed. Thanks in advance!
First, update your TWRP version to 2.8.7.0 (available here: http://forum.xda-developers.com/lg-g3/orig-development/recovery-twrp-touch-recovery-2-8-2-0-t2966129 )
Then, boot into TWRP, go to Wipe and choose "Format Data".
After done that, reboot your device into recovery again.
Thank you very much. I will try this.
i had that , but dont remember what i did ,, but i do know you need to format , by fastboot or twrp and repair partitions
It happens often to me when I upgrade.
I use 3 phones: Xperia Z2, LG G3, Samsung Galaxy S2 and when I've updated to Lollipop it happened all three times.
Recently I noticed that also on the S2 happened this and I suppose it's because partitions are not initialized.
I was unable to write to internal partition (0 MB) and I've solve this way:
I've flashed CyanogenMod, mounted the internal memory as flashdrive under windows and simply formated it.
When I've disconnected the phone from the pc, Android was able to write normally to the internal storage and everything worked like a charm.
I know it's not possible (AFAIK) to mount internal memory on stock roms as Mass Storage, but perhaps someone will point you on how to correctly fix partitions without using my method.
Looks like Kill Switch Wiped
Did you find any solution, even i am struggling with same problem. I think LG G3 has kill switch that wiped out everything, but not sure just guess.
Have same problem any help?

Motorola MZ601; TWRP Failed to mount /data /cache; Internal Storage 0MB

Hay guys,
ive just tryed to install cyanogenmod with TWRP.
What ive done:
fastboot oem unlock
TWRP 3.0.2-0 install
SuperSU flash
cyanogenmod flash
After reboot i was in a bootloop. I decided to go to TWRP again and look for any problems. There i saw that the internal storage is at 0MB and that i was unable to mount it.
What ive tryed:
tryed to change the file system from ext4 to ext2 (did not changed)
install everything new
tryed to wipe everything
fastboot erase userdate; fastboot erase cache
And if i try to flash another OS it says thats there is not enough space free.
Do you guys got any idea how to fix this problem?
Best regards
Cross-Post: https://stackoverflow.com/questions...iled-to-mount-data-cache-internal-storage-0mb
Is there still nobody to help me?

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