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Support USB OTG mounts microSD via USB adapter?

Discussion in 'Android Devices' started by JimmyTheSaint, Jul 9, 2011.

  1. JimmyTheSaint

    JimmyTheSaint Well-Known Member
    Thread Starter
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    Jun 5, 2010
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    台北
    I use the USB OTG cable to mount USB flash drives on the Galaxy S II, no problem. I tried putting a micro-SD card in a USB adapter and mounting that via OTG, but the micro-SD card is never recognized. I get no notice of media scanner running, etc. Yet, this same USB/micro-SD combo works fine in my laptop. Any suggestions how to get it to work with the SGS2?
     

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  2. 3waygeek

    3waygeek Well-Known Member
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    Note that the USB OTG doesn't support NTFS, so make sure you're not using that format. Also, the USB adapter might want more power than the SGS2 can provide; try another adapter if you have one handy.
     
    JimmyTheSaint likes this.
  3. JimmyTheSaint

    JimmyTheSaint Well-Known Member
    Thread Starter
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    Good call. I tried another adapter that looks to be of better quality, and it worked. It took about 1 minute for media scanning to begin, then another 2 minutes or more to complete the scan--that kind of slowness really cuts down on the utility. The other crap adapter works fine on my laptop, but the phone simply never recognizes it.

    Mounting a USB thumb drive is recognized immediately, then the scan completes in 1 minute.
     
  4. chiefroastbeef

    chiefroastbeef Well-Known Member
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    I bought a generic adapter from a computer mall here in Hong Kong for cheap, but it doesn't work. Hopefully I can find something better around here.
     
  5. JimmyTheSaint

    JimmyTheSaint Well-Known Member
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    My bad adapter was very flimsy, but wafer thin. Too bad it only worked on a PC. The adapter that works on both is branded "Ronald M2." It's clearly built better, but it's not wafer thin.
     
  6. Whatstreet

    Whatstreet Well-Known Member
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    Apr 23, 2011
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    Engineer
    Fremont, CA
    I am interested OTG. Where do you get these adapters?
     
  7. chiefroastbeef

    chiefroastbeef Well-Known Member
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    You can get them online, if you don't want to risk having a dud, just get the official Samsung brand. I am still trying to find one that works (haven't looked very hard). :)
     
  8. vtax

    vtax Well-Known Member
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    Jun 19, 2011
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    or you can just buy a male/female usb extension cable from your local computer store, add that with your existing micro usb cable and you have a otg cable ;) does the same thing, just a bit lengthy.
     
  9. 3waygeek

    3waygeek Well-Known Member
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    That probably won't work -- for the SGS2 to switch into OTG mode, it needs pins 4 & 5 to be shorted together.
     
  10. zigmaram

    zigmaram Member
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    Jun 17, 2011
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    why samsung not providing its acessories....(eg:eek:tg adaptor) before time...its almost 2 months it got launched in India.
     
  11. lotus49

    lotus49 Well-Known Member
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    May 9, 2011
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    Yorkshire
    I bought mine on eBay for
     
  12. Maturola

    Maturola Well-Known Member
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    Oct 24, 2012
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    Senior Hardware Designer
    Atlanta, GA
    There is a project on Indiegogo with an adapter like that. It doesn't required the OTG cable

    MicroSD to MicroUSB Adapter | Indiegogo
     

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