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[APP][v1.8 (+US)] SGS3 Easy UMS - Mount external microSD card as USB mass storage

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harise100
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Doesn't work for me either!

I'm kind of puzzeled how this can work in the first place. I thought the S3 has no UMS because Samsung didn't want to pay the license fee.

Doesn't UMS require some kind of driver/modules on the device and are they present regardless of licensing ??

Can somebody please enlighten me?
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Kopfgeldjaeger
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Originally Posted by Big_Balls View Post
same for me only 2 empty drives on Win7 64
Strange. Does it work with a card reader? Then we would at least know that the filesystem isn't the problem.

Do you maybe have a slightly different SGS3? I guess it could be possible that this method doesn't work on all devices.

Have you tried a phone reboot?

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BoneMo
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(Last edited by BoneMo; 15th June 2012 at 11:37 AM.)
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Originally Posted by Kopfgeldjaeger View Post
Strange. Does it work with a card reader? Then we would at least know that the filesystem isn't the problem.

Do you maybe have a slightly different SGS3? I guess it could be possible that this method doesn't work on all devices.

Have you tried a phone reboot?

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tried reboot, Windows 7 64bit, Windows 8 Consumer Preview 32bit, 4 usb connectors, even wrote the usb mass storage command that this app do into shell...but nothing....so maybe you must have a good luck to make it work
and when i unmound sdcard in phone and put it to card reader...it works and is on FAT32 for being sure

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ArbiterGR
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Works like a charm! Thanks!

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BoneMo
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Works like a charm! Thanks!

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how ? have you unmounted sdcard in phone to make it work or something like that ?

i have tried reboot, Windows 7 64bit, Windows 8 Consumer Preview 32bit, 4 usb connectors, even wrote the usb mass storage command that this app do into shell...but nothing
SONY Y U NO MAKE AOSP ROMS

PHONE: Sony Xperia Z Black
ROM: cm-11-20140414-NIGHTLY-yuga
RADIO/MODEM: 9x15A-ACEFWMAZQ-30110057-39
KERNEL: CM11 Stock
RUNTIME: DALVIK
History:Samsung Galaxy S III | Samsung Galaxy S II | HTC HD2 | HTC Touch HD | HTC Touch Diamond | Nokia 6600 | Nokia 5100 | Alcatel OT-300
 
dehaani
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Quote:
Originally Posted by harise100 View Post
I'm kind of puzzeled how this can work in the first place. I thought the S3 has no UMS because Samsung didn't want to pay the license fee.

Doesn't UMS require some kind of driver/modules on the device and are they present regardless of licensing ??
No, UMS is a standard driver and it's the basis for many USB device drivers. There are no patent or licensing issues that I know of. Although FAT32 is patented by Microsoft but that's not an/the issue here.

The reason UMS is not used is to keep the filesystem available to applications. UMS denies the phone access to it's internal storage when it's in use and can cause redundant data replication across storage devices etc.
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ArbiterGR
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Originally Posted by BoneMo View Post
how ? have you unmounted sdcard in phone to make it work or something like that ?

i have tried reboot, Windows 7 64bit, Windows 8 Consumer Preview 32bit, 4 usb connectors, even wrote the usb mass storage command that this app do into shell...but nothing
Nope nothing like that,I started the app, gave it root permissions with supersu and then i connected the device to the usb port on my pc. It recognised it and populated the external sd. That's all. I'm on windows 7 x64 with the latest samsung drivers posted around here.
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BoneMo
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Originally Posted by ArbiterGR View Post
Nope nothing like that,I started the app, gave it root permissions with supersu and then i connected the device to the usb port on my pc. It recognised it and populated the external sd. That's all. I'm on windows 7 x64 with the latest samsung drivers posted around here.
strange...i did the same and result is..no external sd connected to pc
SONY Y U NO MAKE AOSP ROMS

PHONE: Sony Xperia Z Black
ROM: cm-11-20140414-NIGHTLY-yuga
RADIO/MODEM: 9x15A-ACEFWMAZQ-30110057-39
KERNEL: CM11 Stock
RUNTIME: DALVIK
History:Samsung Galaxy S III | Samsung Galaxy S II | HTC HD2 | HTC Touch HD | HTC Touch Diamond | Nokia 6600 | Nokia 5100 | Alcatel OT-300

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galaxy s3, mass storage, sgs3
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