Where does thumb drive show up? - Xoom Q&A, Help & Troubleshooting

I am on a stock wifi xoom and bought a motorola camera connection kit. I put a several thumb drives in the cord and cannot seem to find the thumb drive using astro viewer. Where do the files show up? I have look in all the directories but I cannot find anything that looks like the files on the thumb drive.

For now, to use thumb drive, you need to be rooted on the xoom also you need to manually mount it into a folder.
But if you are on Tiamat's kernel, you can find it at /usbOTG

jiwengang said:
For now, to use thumb drive, you need to be rooted on the xoom also you need to manually mount it into a folder.
But if you are on Tiamat's kernel, you can find it at /usbOTG
Click to expand...
Click to collapse
I was under the impression that on 3.1 it would work.

yup. i was given the same impression too. thought with 3.1 i can just plug the usb and it will automatically detects the usb.

Related

Accessing Usb thumb drive.

I have been working my way thru several posts tonight but still can not access my thumb drive.
Wifi xoom running tiamat rom. Official Motorola camera connection cable. Sandisk cruzer USB thumb drive formatted to fat32.
I have a folder labeled usbotg on the xoom (not on the sdcard) but nothing shows. Whati step am I missing?
can you show us the outcome of "df" on your xoom?
rkboid said:
I have been working my way thru several posts tonight but still can not access my thumb drive.
Wifi xoom running tiamat rom. Official Motorola camera connection cable. Sandisk cruzer USB thumb drive formatted to fat32.
I have a folder labeled usbotg on the xoom (not on the sdcard) but nothing shows. Whati step am I missing?
Click to expand...
Click to collapse
Did you download the latest version of the USB Mass Storage Watcher app from the market? Also, I have found that when I insert a usb drive, I usually have to reboot to see it in the /usbOTG folder.
qwerp - "df" ? Is that an adb command? if so I assume I need run it after I have inserted the USB?
okantomi - Yes I installed it, but it does not see that I have plugged in a thumb drive.
A little more info - my USB mouse works without a problem - The light on USB/USBs flash and then does become solid.
rkboid said:
qwerp - "df" ? Is that an adb command? if so I assume I need run it after I have inserted the USB?
okantomi - Yes I installed it, but it does not see that I have plugged in a thumb drive.
A little more info - my USB mouse works without a problem - The light on USB/USBs flash and then does become solid.
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Click to collapse
df is the command you run in the terminal to see devices mounted on your drive.
if you are running the latest tiamat kernel, you do not need the USB watcher.
you see something like
/mnt/usbOTG 1G 1G xxxxxxx
also, can you do a "ls" under /dev/block/ ?
rkboid said:
qwerp - "df" ? Is that an adb command? if so I assume I need run it after I have inserted the USB?
okantomi - Yes I installed it, but it does not see that I have plugged in a thumb drive.
A little more info - my USB mouse works without a problem - The light on USB/USBs flash and then does become solid.
Click to expand...
Click to collapse
I'm not sure if its a power problem or the unusual way the built-in Sandisk software mounts the drive (it mounts as a "cd drive" in Windows); but Sandisks are problematic.
If you can, please try another thumb drive just to be sure. Preferably, one with no lights (to minimize power requirements) and not a Sandisk or Kingston, which both use proprietary built-in software upon insertion into PC usb ports.
Try downloading an app call USB Mass Storage. Its not in market but I found the thread. Hope it helps.
http://forum.xda-developers.com/showthread.php?t=1068999
Try flashing the kernel in that thread through recovery. Make sure you flash the correct images first.
When I run "df" in terminal i get/data/media/extrenal and /mnt/sdcard.
I am going to flash the tiamet kernal seperate from the rom and see if that fixes things.
Might be obvious to everyone else but when I first plugged a drive in I noticed two folders called usbOTG, one in the root and one in /mnt/usbOTG. The one in the root is always empty and the one in /mnt is the one I need to access. Again, not sure if relevant but just thought I'd share
burden010 said:
Might be obvious to everyone else but when I first plugged a drive in I noticed two folders called usbOTG, one in the root and one in /mnt/usbOTG. The one in the root is always empty and the one in /mnt is the one I need to access. Again, not sure if relevant but just thought I'd share
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Click to collapse
I just looked at my Xoom's file system again, and actually, the relevant usbOTG folder is on the root. It's on the same directory level as the internal sdcard that contains all of your apps. There is also a mnt/ folder that contains the external sdcard as well as another usbOTG folder (among other things), but that one is empty.
I apologize for having given a wrong location for the usbOTG in the past. I was being lazy.
Edit: I don't know, it's possible that your file system may show usbOTG at a different location, but I just checked again, and mine is on the root. Also can completely hot-swap, no reboot needed. (That's for fat32.)

rooted 3.2 - can i mount usb drives?

i m in rooted 3.2 with tiamat stock gpu kernel, can i mount any usb memory drives via otg? how should i do it? thx
omnia1994 said:
i m in rooted 3.2 with tiamat stock gpu kernel, can i mount any usb memory drives via otg? how should i do it? thx
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Yes! You need an OTG cable, such as the Motorola Camera Connection Kit. There are others available for less money, but you have to make sure it's really OTG, because it has a different pin configuration.
In addition, you may need to use one of two free apps to help mount the drive--USB Mass Storage Watcher OTG, or Drive Mount.
I've found that it may help to reboot with the drive plugged in (at least the first time).
With this set-up you can use a thumb drive or a large HDD.
My Xoom is fine but my friend bought one and he cant otg with 3.2 unless he roots, right? ... The toshiba does otg out of the box. This was his major buying point. Anyone know why xoom m doesnt yet others will? And yes, he has otg cable.
Sent from my Incredible using XDA App
okantomi said:
Yes! You need an OTG cable, such as the Motorola Camera Connection Kit. There are others available for less money, but you have to make sure it's really OTG, because it has a different pin configuration.
In addition, you may need to use one of two free apps to help mount the drive--USB Mass Storage Watcher OTG, or Drive Mount.
I've found that it may help to reboot with the drive plugged in (at least the first time).
With this set-up you can use a thumb drive or a large HDD.
Click to expand...
Click to collapse
I tried both of them n failed in both
The drive mount requires busybody. But after installed it, the drive mount apps keep DC.. couldn't use at all
And for the USB mass watcher, when i launch it it asked me to download the latest version, but the latest version isn't compatible with 3.2
What should i do now =(
omnia1994 said:
I tried both of them n failed in both
The drive mount requires busybody. But after installed it, the drive mount apps keep DC.. couldn't use at all
And for the USB mass watcher, when i launch it it asked me to download the latest version, but the latest version isn't compatible with 3.2
What should i do now =(
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Click to collapse
Sure it is compatible with 3.2. I use it.
Also it's busybox.
armychris28210 said:
My Xoom is fine but my friend bought one and he cant otg with 3.2 unless he roots, right? ... The toshiba does otg out of the box. This was his major buying point. Anyone know why xoom m doesnt yet others will? And yes, he has otg cable.
Sent from my Incredible using XDA App
Click to expand...
Click to collapse
I'm not certain if an unrooted Xoom can really access OTG/usb host mode. People say that, but I have been rooted from the start, so I never tested it out.
But i can't even download it from market @@
I jhave it now butkeep fc . Argh
Yeah, I have been rooted since day one as well, so I was unsure of the stock 3.2...
Sent from my Incredible using XDA App
but ii m on rooted 3.2, the apps keep fc when i insert my drive to otg
do i need to go through this process? note that i ve flashed the tiamat kernel already
omnia1994 said:
do i need to go through this process? note that i ve flashed the tiamat kernel already
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Click to collapse
Are you sure you have an OTG cable?
Also, what are you trying to connect? Some people have had issues with thumb drives but not with an HDD.
thumb drive.. yup i m sure its a otg
omnia1994 said:
thumb drive.. yup i m sure its a otg
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Tellme exactly what your doing and when the problem comes up. This should be working.
i installed busybox n drive mount. But whn i insert a thumb drive via otg, my device screen just turn black n its shut down.. weird
omnia1994 said:
i installed busybox n drive mount. But whn i insert a thumb drive via otg, my device screen just turn black n its shut down.. weird
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Click to collapse
Does it dim or does it crash? If it dims and you can't do anything, try turning the Xoom (like from landscape to portrait), with auto-rotate enable, and if a dialog box opens, choose an action.
If it is crashing, can you try an HDD like a Passport?
not dim nor crash. The device just suddenly go black n have to boot up

[Q] otg with stickmount

I install stick mount to able otg, when i put the otg cable with a pen drive inside the device stickmount mount the pen drive but I'm unable to read it. what can I do?
Andagron said:
I install stick mount to able otg, when i put the otg cable with a pen drive inside the device stickmount mount the pen drive but I'm unable to read it. what can I do?
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Click to collapse
You need to mount manually in the app and go to the designated folder indicated by the app to access your pendrive.
Raven_Yen said:
You need to mount manually in the app and go to the designated folder indicated by the app to access your pendrive.
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I try, but don't work
Andagron said:
I try, but don't work
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"Stickmount, download from market, grant supersu access let it download necessary drivers wait till complete, restart if needed, put your usb, open stickmount >mount it'll toast notifications and tell you where the usb positions, use cm manager"
The exact answer replied by others when I asked.

USB otg not working on lollipop

As the title stats I cant seem to get it to work or find the appropriate folder in which its located any help would be appreciated
Hit Thanks if I Helped
-_-NAMELESS ROM 1+1-_-
Same problem for me. Installed the full image and it doesn't work. It didn't work when I had just installed it and it still doesn't work after rooting.
How are you using it? Custom kernel? App? Which ones?
Stock 5.0 image with root via chainfire autoroot. Solid Explorer file manager and I can't see the USB OTG
MasterTB said:
Stock 5.0 image with root via chainfire autoroot. Solid Explorer file manager and I can't see the USB OTG
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Click to collapse
Are you supposed to? I thought an app.was needed to mount it. Is ES supposed to do that? Did it on KK
rootSU said:
Are you supposed to? I thought an app.was needed to mount it. Is ES supposed to do that? Did it on KK
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ES used to (on 4.4.4)
I did notice that my Thermal Seek camera (also USB OTG) works fine with Lollipop, so I guess ES has to be updated.
Yes, I forgot about ES. It does open it. I had been using solid because I like it better but I also forgot that stock Android is NOT AOSP and that was my problem. It does see it now with ES so, problem solved. Also it reads both fat32 and NTFS. too bad it doesn't read exFAT
MasterTB said:
Yes, I forgot about ES. It does open it. I had been using solid because I like it better but I also forgot that stock Android is NOT AOSP and that was my problem. It does see it now with ES so, problem solved. Also it reads both fat32 and NTFS. too bad it doesn't read exFAT
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Click to collapse
That is so strange - I use ES and I am not able to get it to recognize my USB flash drive! Sheeeeeeesh! :crying:
Well we are all seeing strange things with 5.0 For example, root is not working as it should, apps like App Quarantine can't seem to properly disable some system apps or Google Apps, I can't seem to be able to correctly install a recovery and most apps that should allow to do reboot options (like flashify or twrp manager) don't work. My guess is that we'll have to wait a few days until development has matured a bit..
Then, I can use/see/write my USB by otg only with Es explorer without stickmount or I have to use stick mount mandatorily ?
sorry if you give the answer already but did not understand English very well
Always i used stick mount, but it would only need/use ES Explorer
I can only add that on nexus7 (2013) official 5.0 OTG doesn't work either.
I can access external drive through ES or stickmount, but the system itself is 'blind'.
Using custom kernels (e.g elementalX) built for lollipop which in theory should support OTG break stickmount (and still no OTG support, possibly something in OS beyond the kernel) - internal memory is not mounted anymore to /storage/sdcard0. ES still works though.
lolote said:
Then, I can use/see/write my USB by otg only with Es explorer without stickmount or I have to use stick mount mandatorily ?
sorry if you give the answer already but did not understand English very well
Always i used stick mount, but it would only need/use ES Explorer
Click to expand...
Click to collapse
Yes, you can just use ES Explorer to use USB OTG devices. No need for stickmount.
Update your drivers.
Please read here what I did.
http://forum.xda-developers.com/showpost.php?p=56789129&postcount=50
Work fine.
MasterTB said:
Yes, you can just use ES Explorer to use USB OTG devices. No need for stickmount.
Click to expand...
Click to collapse
but in nexus 5 lollipop ?
Because i when connect my usb 8gb Es explorer askme and showme a pop up, and later show a usb1002 but when i want open it is load for ever and frezze the app.
with stickmount nop frezze no load, open fine.
i mean?
Works fine with this app.
https://play.google.com/store/apps/details?id=com.kyuudroid.nexususbotgfilemanager
Yes in 5.0.
I have the google stock image, rooted with CFAR and all I use is ES Explorer to see my USB OTG. You have to be in either NTFS or Fat32 for it to read the drives.
It does show as a USB 1002 like you say and if you click on it it will open a new window with the contents of the drive. That's all I do.
No tweaks or apps to mount the drives.
MasterTB said:
Yes in 5.0.
I have the google stock image, rooted with CFAR and all I use is ES Explorer to see my USB OTG. You have to be in either NTFS or Fat32 for it to read the drives.
It does show as a USB 1002 like you say and if you click on it it will open a new window with the contents of the drive. That's all I do.
No tweaks or apps to mount the drives.
Click to expand...
Click to collapse
Hi all,
I can see on ES Explorer the US1002 tab like you, and if I click on it, I can see the file inside the USB storage, but i can't put other files on the drive, even if I try to create a new file, the app show up a pop up with the message "unsupported operation", instead the copy from the USB drive to the phone is possibile.
This happens since I flashed the Stock Lollipop build.....
Have you tried to copy or create a file on the drive?
Many Thanks! Bye!
Russosniap said:
Hi all,
I can see on ES Explorer the US1002 tab like you, and if I click on it, I can see the file inside the USB storage, but i can't put other files on the drive, even if I try to create a new file, the app show up a pop up with the message "unsupported operation", instead the copy from the USB drive to the phone is possibile.
This happens since I flashed the Stock Lollipop build.....
Have you tried to copy or create a file on the drive?
Many Thanks! Bye!
Click to expand...
Click to collapse
Yes, I get the same message. You can read files, copy them TO your phone but not copy from your phone to the USB OTG. I guess we will have to wait for some developer to patch things or for AOSP roms to catch up...
MasterTB said:
Yes, I get the same message. You can read files, copy them TO your phone but not copy from your phone to the USB OTG. I guess we will have to wait for some developer to patch things or for AOSP roms to catch up...
Click to expand...
Click to collapse
Probably kernel related. Might need to export to usb otg properly. Probably mounted with no permissions. You can check when OTG is plugged in by typing the "mount" command into a terminal emulator
rootSU said:
Probably kernel related. Might need to export to usb otg properly. Probably mounted with no permissions. You can check when OTG is plugged in by typing the "mount" command into a terminal emulator
Click to expand...
Click to collapse
Ehi guys!
I think I found the problem, my usb drive was formatted in NTFS, android can't white on it, but only read!
I formatted in FAT32 and the problem is solved!! I was so stupid
Bye!!

[HELP][usb-otg] not work using twrp multirom

hi,
i want to install ROM on my usb ptg drive but in twrp multirom in addROM input i can choose my otg drive without problem but in zip file browsing i can't access to my otg drive.
in mount input i tape on otg choice but it does not active in drive choice i also can't choose external drive (otg) someone can help me ?
before some update of multiROM usb otg work nicely
anyone can help me ?
I ran into the same problem , and it turns out for some reason while it doesn't act as though it's mounted when you first access it to flash a zip, if you go back a few folder levels to the main Root-level of files choices and select the USB-OTG folder all your files should be visible. It's weird, but only through that method of accessing it does it give you full access. Super weird.
Also, I just got my first OTG drive for this phone like an hour ago so I'm flashing a ROM using OTG for the first time right now and it appears to be slow. As. Heck.
I imagine somewhere in the four months after positing this you found an answer to your question, but on the off chance that you haven't or that someone else stumbles across this thread looking for an answer I thought I'd try and help. That plus I found the solution to the problem while tinkering with TWRP MultiRon while waiting for this page to load, so it just felt right, you know?

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