[Q] USB Mass Storage - Galaxy S III Q&A, Help & Troubleshooting

Is making the internal SD card act like a USB Mass Storage possible but not implemented in any kernel (or mod) because the lack of source code or is it just impossible?
Sent from my GT-I9300

Related

[Q] Why there's no "plain USB storage mode"?

I've tested both CM v10.1 and ARHD v18.
Neither has a "plain USB storage mode" for the internal/external storage.
I mean, I would expect the phone to behave like a "usual" USB memory stick when plugged into my PC.
Instead I only get MTP and PTP modes which don't work well with my Linux boxes (my house has no windows at all!)
Any advice?
Uqbar said:
I've tested both CM v10.1 and ARHD v18.
Neither has a "plain USB storage mode" for the internal/external storage.
I mean, I would expect the phone to behave like a "usual" USB memory stick when plugged into my PC.
Instead I only get MTP and PTP modes which don't work well with my Linux boxes (my house has no windows at all!)
Any advice?
Click to expand...
Click to collapse
Theres currently no way to use the internal memory as a USB device since it uses the MTP protocol.
However you can use your external SD as a usb device using SGS3 Easy UMS. Check here http://forum.xda-developers.com/showthread.php?t=1711009
Search on Google, it's a design of jelly bean, decided by Google, to secure internal emmc and to be able to use dynamically all the internal space for data. Internal sdcard is in fact a folder in data folder virtually mounted as a device by android os. On the contrary before that internal sdcard was a separate partition.
That explain why it can't be mounted as usb mass storage, which is only possible with plain partitions.
There are ways to bypass it either with the above mentioned app, either with a tweaked kernel.
While I can understand the limitation for the internal storage, I don't really get the point with the external storage.
The limit just makes things harder: I could eject the uSD and push it into a reader...
By the way, which kernel supports USB storage mode for whatever storage?
I run cm 9 / cm 10.1 .
Thanks.
You can use Easy UMS to mount the external card in mass storage mode
Yes. But why needing an extra app when it is a built-in feature with other (cheaper) phones and ROM?
Why, if the recovery (PhilZ Touch 3) CAN DO IT?
This was my original question, though.

[Q] About CM10.1 with usb mass storage enabled

Hi ,
http://forum.xda-developers.com/showthread.php?t=1800935
According to above thread, I enabled mass_storage and work for ext sd card only. How can I mount the int sd card with usb mass storage?

[Q] Slimkat USB Mass Storage problem?

Hi
I've been having problems with my USB mass storage mode. It turns on fine, and I can transfer whatever files I want, but after I'm done and I turn off the USB storage mode, the ROM crashes. I've ejected the phone and the SD card from the computer before switching off the USB storage, but it crashes still.
Is this a known issue or there's something wrong with my phone / me?
Mass storage is been buggy for all kexec based ROMs for Razrs.
I suggest use AirDroid.
DROID RAZR with Tapatalk 4

Mass Storage

help!! I need an application that allows me to handle the internal memory of my phone samsung s3 international version from the PC as a mass storage device and not as multimedia .
If your trying to say to convert an sd card into internal storage, change your rom to to an android 6 based one (i.e CM13) and there is this sd card setup allowing to let you use it as portable or mass storage.
Jericho Arcelao said:
If your trying to say to convert an sd card into internal storage, change your rom to to an android 6 based one (i.e CM13) and there is this sd card setup allowing to let you use it as portable or mass storage.
Click to expand...
Click to collapse
I'm around trying to say that I want to use internal storage memory of the phone as a mass storage drive , I tried some apps does not work
Oh, that isn't really possible. A phone cannot be converted into a mass storage drive for PC. You will need a proper hard drive in order to do it.

Connect G5 as USB mass storage?

Hi all!
Does anybody know, if it is possible to connect LG G5 (both internal memory and external sd card) in the simplest USB mass storage mode without root?
I really miss this option since my car stereo (VW RNS-510) can read files from USB mass storage and can't from MTP.
Thank you!

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