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Since upgrading to CyanogenMod 10, the dropdown notification when I connect my phone to the computer no longer appears. How do I mount the SD card via USB MSC in Jelly Bean? Note that the drive still appears to the computer, just empty. My phone is an Xperia Arc S.

Update: I see no mass storage mode under USB connection settings:

Settings
Settings screen (click image to enlarge)

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  • Similar questions that may have relevant answers: phone mounts as media device not usb storage, How can I use my Galaxy Nexus as an external USB storage drive? Commented May 30, 2013 at 14:15
  • @eldarerathis this is not a CM-specific problem, while this is an attempt of imposing DRM by Google (see here).
    – kinokijuf
    Commented Jul 13, 2013 at 12:09
  • First, I read that comment, and I've already gone to great pains to explain that other devices (literally, the ones on my desk) do not experience the behavior you're describing, so I'm not really sure why you would point me to that comment again (or how that proves your point). Regardless, the question is not directly related to DRM or interacting with DRM'd content. So even if we assume you're correct (and I don't) the tag would be describing the content of your answer, not the question, which is incorrect use of the tagging system. You're basically using tags as a soapbox. Commented Jul 13, 2013 at 17:17

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Seems as if Google is evil¹ and removed that option from Jelly Bean to enforce their DRM schemes². I found however a tool which restores it: Automated Framework Kit


¹Like we didn’t already know that.

²I have no idea what was the rationale behind it, but remember it’s the company which has a mail service that’s immensely popular despite not properly working with any major mail client.

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  • What does this have to do with DRM, though? The intention behind the switch was that you would have one partition for all of your data rather than having to fiddle about with moving apps and such between the internal storage and the SD card. Here's Dan Morril's explanation on Reddit as to why they've been moving in that direction. Commented May 30, 2013 at 14:05
  • @eldarerathis They’ve made it impossible to access the SD card from computer.
    – kinokijuf
    Commented May 31, 2013 at 19:18
  • Well...no, they haven't. MTP provides access to the SD card, just not at the block-level; if you can't access the storage at all then that's a bug, possibly even in CM rather than upstream Android. If it's a physically separate card then you can always remove it and put it in a reader as well. They've moved from one access method to a different one, not made it "impossible to access". Commented May 31, 2013 at 19:24
  • @eldarerathis MTP requires drivers,while MSC is part of the USB standard. I access my phone often from different computers.
    – kinokijuf
    Commented Jun 1, 2013 at 11:26
  • “What does this have to do with DRM, though?” Preventing user from accesing the .android_secure folder, which contains app files (of course, that doesn’t matter anyway when your device is rooted).
    – kinokijuf
    Commented Jun 1, 2013 at 11:34
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I don't know whether it will work for your device, but the XDAs have a tool supposed to work with several LG devices at least. You can find it in here, and it looks like this:

USB Mass Storage

You might want to browse through the linked thread at XDAs. As far as I remember, there were some people trying it on other devices, and had success. No guarantees, however :)

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  • Your screenshot shows the built-in interface.
    – kinokijuf
    Commented Jul 15, 2013 at 11:59
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    Tell the guys at XDA: if you follow the link I posted, you see where the screenshot comes from. I didn't test that tool yet. And even if it's the built-in interface: on many devices (including my Optimus 4X), manufacturers simply removed the links to several configuration screens -- so other tools sometimes do nothing but invoking the corresponding activity directly. Of course, in such cases the "built-in" interface is shown.
    – Izzy
    Commented Jul 15, 2013 at 14:15

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