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USB OTG?

OP pyro42

22nd April 2012, 11:16 PM   |  #1  
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i recently bought a cheap USB On-The-Go cable for the Razr hoping to be able to use my droid 4 with the DSLR controller app https://play.google.com/store/apps/d...ntroller&hl=en but i am having no luck. i'm on stock w/ root, recently did the 219 update with no change. problem is i have no solid means of troubleshooting. i have a touchpad with cm9, droid 1, droid 2, and my droid 4, but i cannot get the cable to work with any of them even for mounting a usb drive. but i'm also having trouble finding solid info on if it should work with any of them.

has anyone had any luck using usb otg with the D4?

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23rd April 2012, 02:37 AM   |  #2  
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I've gotten it working with a cheap Staples USB hub, a USB Y cable (2 male USB one end, 1 male microUSB on the other end for the hub), and a USB charging brick, the USB OTG cable itself. From what I've put together, it's sensitive to where it gets power from. That's why I had trouble with it at first.

Long story short, USB OTG does work on the D4 stock rom, updated and bone stock
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23rd April 2012, 08:59 PM   |  #3  
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Quote:
Originally Posted by bohhad

I've gotten it working with a cheap Staples USB hub, a USB Y cable (2 male USB one end, 1 male microUSB on the other end for the hub), and a USB charging brick, the USB OTG cable itself. From what I've put together, it's sensitive to where it gets power from. That's why I had trouble with it at first.

Long story short, USB OTG does work on the D4 stock rom, updated and bone stock

Thanks. i actually was fooling around with my touchpad last night and found out it needs external power as well. so with a y-cable from a seagate portable harddrive, i was able to test that the OTG cable i have is indeed working. however, i could not get my D4 to work using extra power from my PC, but I picked up a kodak power brick today and its charging, so here's hoping that works.

actually nevermind, after playing around with a hub and a usb stick, it decided to work with my PC supplying extra power. after that, DSLR controller worked as long as there was extra power supplied. i imagine the battery pack i picked up should work quite nicely. now to go take HDR photos of the entire world! bwhahaha
Last edited by pyro42; 23rd April 2012 at 09:17 PM.
24th April 2012, 03:32 AM   |  #4  
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Glad you got it working. From my reading, the thing to do is get power on the +5v rail of the micro-usb 'input' port, that will allow power to flow from the USB hubs power brick, thru the hub, up to the phone. Can't help you with that however, it's a bit beyond me.
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