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USB Mass Storage not showing

Hey so not sure if this is sense thing or Android OS thing, but basically when plugging in my phone to the PC, Mount SD card is not an option.
I know this isn't the card, phone hardware, pc, or cable. Has to be something in the OS. I've searched all over and I can't find a option in the UI to enable / disable this....
Troubleshooting steps:
1. Tried Different Cable.
2. Tried different PC.
3. Formatted SD card and re-enabled.
4. Tried Differnt SD card (at this point I thought it was phone hardware)
5. I loaded ICS and noticed mass storage was there and working fine.
6. Loaded CoreDroid (was using RCMix3D). Option was there.
7. Did a Titanium Restore and tada option gone again.
8. Loaded RCMix3D again, option there again, until I did a titanium restore.
9. Tried with and without USB Debugging.
So this tells me something I changed somewhere disabled this (no idea how I did it because I wouldn't intentionally do that). Any help would be appricated such a weird thing... and I've seen a couple threads where this was a problem, but never saw a solution posted ... and I think this is not Sense but Android as it seems to be an issue on different models other than HTC as well.
Thanks for any help in advance!

What are you restoring with Titanium? Titanium should be used to backup user data and user apps ONLY. That is it. Sounds like you are restoring system files/apps too which is a big no no and is possibly causing your problem.

I have been doing system files too ... probably a good call on that one!! I'll reflash my rom now and let ya know, I've always done system files, but it makes sense why that is the issue.... still don't know how it's happening..
Corruption maybe?

xtremedelta said:
I have been doing system files too ... probably a good call on that one!! I'll reflash my rom now and let ya know, I've always done system files, but it makes sense why that is the issue.... still don't know how it's happening..
Corruption maybe?
Click to expand...
Click to collapse
well, to be plain and simple about it, restoring SYSTEM data from TiBu has ALWAYS been a no-no going from ROM to ROM.
restore MISSING apps and data only....never system stuff.

So that didn't work. Did an App Data only restore, not even an app restore, but that didn't fix it. I did check and USB Mass storage was working before the restore right after I flashed the new rom...
So maybe an app breaking it? Weird scenario for sure. I mean worst case scenario is I only do a restore on apps I know I need data from. Other than I dunno.

xtremedelta said:
So that didn't work. Did an App Data only restore, not even an app restore, but that didn't fix it. I did check and USB Mass storage was working before the restore right after I flashed the new rom...
So maybe an app breaking it? Weird scenario for sure. I mean worst case scenario is I only do a restore on apps I know I need data from. Other than I dunno.
Click to expand...
Click to collapse
*/MISSING APPS AND DATA/*
thats the key....dont just 'restore apps and data'

xtremedelta said:
So that didn't work. Did an App Data only restore, not even an app restore, but that didn't fix it. I did check and USB Mass storage was working before the restore right after I flashed the new rom...
So maybe an app breaking it? Weird scenario for sure. I mean worst case scenario is I only do a restore on apps I know I need data from. Other than I dunno.
Click to expand...
Click to collapse
What didn't fix it? Your ROM is screwed up and you have to start fresh and quit making the mistakes you are making. Did you wipe and reflash your ROM? And it worked, you can connect to mass storage? Then it is fixed. Then when you go to use Titanium backup to restore your apps choose "Restore all apps with data". Then on the next screen you have to uncheck everything that is NOT in white text. Red is system apps and Green is your accounts and settings. While restoring the green items in most cases is safe, it can still cause many conflicts. So lets not do the green restore yet. We can go back and pick through the green items later.
After you restore the white items only report back if mass storage is working correctly.

Agoattamer said:
What didn't fix it? Your ROM is screwed up and you have to start fresh and quit making the mistakes you are making. Did you wipe and reflash your ROM? And it worked, you can connect to mass storage? Then it is fixed. Then when you go to use Titanium backup to restore your apps choose "Restore all apps with data". Then on the next screen you have to uncheck everything that is NOT in white text. Red is system apps and Green is your accounts and settings. While restoring the green items in most cases is safe, it can still cause many conflicts. So lets not do the green restore yet. We can go back and pick through the green items later.
After you restore the white items only report back if mass storage is working correctly.
Click to expand...
Click to collapse
Thanks... thats pretty much what I've been doing. When I saw the Rom was working pre-restore I knew what was breaking it (especially when only restoring app data. I just didn't know what EXACTLY was breaking it, and wanted to see if anyone else heard of this. I've been starting fresh and I'll admit to the system data restore (didn't know that was a "no no") but other than that ,, yea I'm trying to quit making the mistakes I'm making.... Thanks for the advise tho.

Similar issue.
i dont wana be a F****** noob and post everywhere. so this is the closest i could find. anyway, htc inspire, at&t, no option to mount as usb drive. i have had my phone rooted running rcmix3D. changed the boot logo option and it got stuck at the boot screen. eventually restored to a previous save (still rooted). i have to sd cards. 32G and 8G. i have booth backed up to my computer from a previous version as well. my 32 will not read on my phone after the fix. i tried reformatting it on my phone through the hboot and it will not mount. so i pluged it into my computer and it freezes "my computer" whether i double click it or right click it it does the same. so i am trying to mount my phone as a usb drive to get my computer to read the sd card to whip it. i have been trying via hboot but i get the error "E:unable to write to ums lunfile (no such file or directory)" excuse the long reply

If I gather what you are saying, your sd card is corrupted or damaged? Your phone and your computer won't read it? But you want to put it in your phone and have your computer read it in mass storage mode? Sounds like to me the card is fried no matter how you look at it. If it is under warranty, contact the manufaturer. If not, then toss it and get a new one.

you go it. i did call the manufacturer and they said it was a hardware issue. did not specify what kind. but they suggested to to return it. if the store wouldn't take it to just call them back and they would exchange it. pretty much the only solution to the "I/O device error" thank you for the responce though

Full Android backup to PC possible?

Hello I wonder if making a full phone backup to PC's hard drive would be possible...I mean something similar to Acronis trueimage of Windows partition...but do this on phone with exclusion of the main firmware. Because of no SDcard slot I need store everything to connected PC HDD...
Looked at TitaniumBackup which probably is close to what I need but I'm afraid it lacks support for storing to networked location. Any working solution is highly appreciated

bflmpsvz said:
Hello I wonder if making a full phone backup to PC's hard drive would be possible...I mean something similar to Acronis trueimage of Windows partition...but do this on phone with exclusion of the main firmware. Because of no SDcard slot I need store everything to connected PC HDD...
Looked at TitaniumBackup which probably is close to what I need but I'm afraid it lacks support for storing to networked location. Any working solution is highly appreciated
Click to expand...
Click to collapse
Take backup using Cwm and u can reflash it using ir phone again.
Sent from my GT-I9103 using xda premium

You need to root (gain root/superuser access) your device and install a custom recovery. Clockwork Mod is one of the (CWM), TWRP is another (having used both, I prefer TWRP - but you can try either/both yourself). You can then copy or cut the backed-up files from the recovery's folder to your computer.

Thanks, probably give it a try if anything else fails. Would it be possible to mount a windows shared drive to phone's internal filesystem? So that TB could access it as internal folder...

use nandroid backup (cwm)
you must root your device

backup cwm will get what you want
or you can try this GO Backup Pro 2.9
http://www.1mobile.com/go-backup-pro-550518.html

Thanks for your suggestion
LEON_HEART said:
backup cwm will get what you want
or you can try this GO Backup Pro 2.9
Click to expand...
Click to collapse

Thanks for the advices. I finally managed to install CWM
CWM's backup = Nandroid?
This works for SDcard, however the condition to backup directly to my PC's hard drive is not met
Remember I suffer with lack of space on builtin SDcard so I need to exclude it from backup process at all even as temporary location.
One more question about CWM, where can I find the latest version? I have 6.0.1.2.

bflmpsvz said:
Thanks for the advices. I finally managed to install CWM
CWM's backup = Nandroid?
This works for SDcard, however the condition to backup directly to my PC's hard drive is not met
Remember I suffer with lack of space on builtin SDcard so I need to exclude it from backup process at all even as temporary location.
One more question about CWM, where can I find the latest version? I have 6.0.1.2.
Click to expand...
Click to collapse
Yeah, you need to be able to access files in the phone not on sd card, the phone has a seperate memory he wants to access, I think he is asking how to put the phone (everything) onto PC.... im not sure how to do this myself but I will look into it for you, I believe you can access that info but im not sure where the files you want are.

The backup is saved into /sdcard/clockworkmod/blob/ but the problem I have with it is that used soace in internal memory is over 1.5GB while free space on Sdcard is usually several 100s MB...
Sent from LT22i using Tapatalk 2

[Q] File Removal Help

So I have kind of a noob question.... after factory reset and install a new ROM using CWM there are still tons of old files both on my internal storage and on my SD? Is it safe to just erase them all (the ones I see when I plug the device in via the USB as a drive)?
I want to clean all this crap out of my storage but I am afraid I am going to mess something up. THanks!

Mebby make a backup of what you have now, after that is complete, reboot and then do your file deletions-
You mentioned they are old files, if true, should not have adverse effect on your current setup if you delete them.
When in doubt, prolly best to leave it .

Complete phone backup?

I'm trying to clear up a confusion in my mind about how to really backup a rooted Nexus 5.
(For privacy reasons I use a firewall, etc. and do not sync with Google or the cloud).
- I know that Titanium Backup will backup all the installed apps and their data.
- I know that a nandroid backup (I use twrp) will backup the android system and apps.
But there seems to be gap here - unless I am mistaken. Over time, most users add new folders in the sdcard for downloads, documents, genealogy, and the like. I tend to think of a nandroid backup as similar to an "image backup" in windows, but I suspect it might not be because the nandroid backup does not backup these newly created folders. Am I correct? Does a nandroid backup these additional sdcard folders? I think most people assume they do, but a friend just told me they do not and he lost a lot of data because of that erroneous assumption. I hope he is wrong!
Does a nandroid backup the system and the entire sdcard - or not? If not, why not? I'm not a programmer but it would seem to be a simple thing to include any additional sdcard folders? What am I missing? Is there a technical reason why a complete backup is not possible in android?

A nandroid doesn't backup 100% of the device.. I'm not sure why, but I know it doesn't. /sdcard (or whatever its called lol) is not backed up.
Sent from my Nexus 5 using Tapatalk

You're correct that there is no simple way to back up your entire device. Even using Google will not back it up.
A nandroid will back up your system, apps and app data. It will not backup your /sdcard. That means any photos, music, downloaded files, etc.
Unfortunately, to backup your device you really need to use a nandroid, the cloud and your pc.
Sent from my Nexus 5 using XDA Free mobile app

That's a shame. I was hoping I was wrong! I bet a lot of users have been burned by that! :crying:
Seems to be a glaring opening for a "killer app" that would
a) reboot the phone into recovery
b) do a nandroid backup
c) append a backup of remaining folders
Then the whole could be copied to a pc or flashdrive. Maybe even done in one swoop while attached by usb to a pc. Like a pc backing up an image to an external hd - which I do all the time.
It's so obvious that I wonder what is making this unachievable in android.
Is there such an app? Looks like I have been living dangerously.......

If you could do that you'd run out of storage space before it completed
Sent from my Nexus 5 using Tapatalk

I just create a folder called backup on my comp. Then do a:
Code:
adb pull /. backup
It takes two hours but pulls the entire phone to my comp. Or at least as close as you'll ever get with android.

Ben36 said:
If you could do that you'd run out of storage space before it completed
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
I thought of that. That is why it would be an app to run while your device was connected to the pc. Just like when I do an image backup of my windows laptop to an external HD.
You need to connect to a PC or other drive to transfer the nandroid anyway.

theesotericone said:
I just create a folder called backup on my comp. Then do a:
Code:
adb pull /. backup
It takes two hours but pulls the entire phone to my comp. Or at least as close as you'll ever get with android.
Click to expand...
Click to collapse
That is what I will have to do. Thanks for the adb command to use.
But, it is a two step procedure: first create a nandroid, then connect to PC to move everything there. Unless I am wrong, without a nandroid, just copying everything on the phone will not let me restore the system. (Maybe I am wrong).
I am not knowledgeable enough, but, if not an app, maybe a script that you run - while connected to the PC (or external HD? with stickmount?) - would either boot the phone into recovery, do the nandroid, and copy everything (including the nandroid) to the pc. Unless one can skip a step by creating the nandroid directly on the PC instead of on the phone.
I'm a relative newbie and could be talking nonsense - sorry if I am - but if it can be done in Windows, it should be abe to be done in android/linux.

maybeme2 said:
That is what I will have to do. Thanks for the adb command to use.
But, it is a two step procedure: first create a nandroid, then connect to PC to move everything there. Unless I am wrong, without a nandroid, just copying everything on the phone will not let me restore the system. (Maybe I am wrong).
I am not knowledgeable enough, but, if not an app, maybe a script that you run - while connected to the PC (or external HD? with stickmount?) - would either boot the phone into recovery, do the nandroid, and copy everything (including the nandroid) to the pc. Unless one can skip a step by creating the nandroid directly on the PC instead of on the phone.
I'm a relative newbie and could be talking nonsense - sorry if I am - but if it can be done in Windows, it should be abe to be done in android/linux.
Click to expand...
Click to collapse
Honestly the only time I've used that command was a few years ago when I was looking into what your asking about. Long
story short, it was a complete failure. lol The best bet is just using a nand and copying your sdcard over to the comp whenever you feel the need. It's really easy to restore the sdcard. It's really hard to use ADB to restore anything else. It's possible but takes way more time than just restoring a nand.

Impossible to delete the data on my phone via the usb cable connected to my PC.

I have a Huawei P30 Lite New edition phone (Emui 12, Indeed I connect the phone to the machine, the internal storage appears well, I delete files. when I look at the remaining storage capacity it has been deleted, but as soon as I restart the phone the files that I thought I had deleted are there again.
What to do ?
Thanks

ththugues89 said:
I have a Huawei P30 Lite New edition phone (Emui 12, Indeed I connect the phone to the machine, the internal storage appears well, I delete files. when I look at the remaining storage capacity it has been deleted, but as soon as I restart the phone the files that I thought I had deleted are there again.
What to do ?
Thanks
Click to expand...
Click to collapse
why cant you just delete the file in tour phone directly? regarding in your files its possibly that there is a conflict with your dm-verity of your phone
dm-verity helps prevent persistent rootkits that can hold onto root privileges and compromise devices. This feature helps Android users be sure when booting a device it is in the same state as when it was last used.
deleting or modifying the phones system without correct permission is bad specially when you use pc to delete or modify your phone there is possibility that you deleted the temp files only in your via pc and its not really deleted in the physical memory the pc thought that it deleted it the files but no, its not deleted or there is possibility that when you delete the files in your phone via pc the phone restored it back to original state because of the dm-verity the phone thinks that there is wrong in the filesystem or that you used unauthorized method to modify your phone thats why the phone reverts it to normal, unless you delete the files in your phone directly it will only revert back to normal again and again. BTW what files are you deleting??

Anonymous V said:
why cant you just delete the file in tour phone directly? regarding in your files its possibly that there is a conflict with your dm-verity of your phone
dm-verity helps prevent persistent rootkits that can hold onto root privileges and compromise devices. This feature helps Android users be sure when booting a device it is in the same state as when it was last used.
deleting or modifying the phones system without correct permission is bad specially when you use pc to delete or modify your phone there is possibility that you deleted the temp files only in your via pc and its not really deleted in the physical memory the pc thought that it deleted it the files but no, its not deleted or there is possibility that when you delete the files in your phone via pc the phone restored it back to original state because of the dm-verity the phone thinks that there is wrong in the filesystem or that you used unauthorized method to modify your phone thats why the phone reverts it to normal, unless you delete the files in your phone directly it will only revert back to normal again and again. BTW what files are you deleting??
Click to expand...
Click to collapse
Thank you for your reply.
I cannot delete this from my phone because my phone starts in emergency backup mode (See attached photo), probably due to a lack of space problem because when I look in the PC my remaining storage is 300Mb (probably low so that the phone can start normally).
Indeed the folder that I want to delete is the download folder which weighs more than 60GB mainly videos and movies downloaded from the internet.
How to circumvent this reinitialization to the previous state?
Looking forward to reading you
THANKS

ththugues89 said:
Thank you for your reply.
I cannot delete this from my phone because my phone starts in emergency backup mode (See attached photo), probably due to a lack of space problem because when I look in the PC my remaining storage is 300Mb (probably low so that the phone can start normally).
Indeed the folder that I want to delete is the download folder which weighs more than 60GB mainly videos and movies downloaded from the internet.
How to circumvent this reinitialization to the previous state?
Looking forward to reading you
THANKS
Click to expand...
Click to collapse
hmmm i see your phone thought that there is important files contained in your phone thats why it protected it (its only base what i read in the error in the picture) ,in the picture its said you can back your files in an external drive or sd card or something and reformat your phone thats a first option , second possible option is if your willing to lose your files and all then reformating your phone is the best way to fix it if it you can reformat anything using fastboot fastboot too if i were to choose i would choose option 1 but its up to you. btw to understand more about your problem may i know the full specs of your phone? but im guessing its huawie right? even so pls tell me the full specs