[Q] Usb host on the go

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potenza1985

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Oct 31, 2011
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Is there native support for Usb Host (like Samsung GS2)?

PS: I read the FAQ,but I didn't fount any video showing a nexus plugged to a usb pen o other peripherals
 
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gokpog

Senior Member
Nov 30, 2009
383
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Because this time your phone will be the host and not your PC. That the internal storage can't be connected as ums doesn't mean your phone can't play host for usb thumb drives. All the honeycomb tablets do that already and some of them also just use mtp, like the Galaxy Tab 10.1 I'm typing this from.
 
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vADimko

Member
Nov 11, 2009
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AllGamer said:
this was actually pointed out many times

yes it is supported

it was even mentioned on the launch day event on stage
Click to expand...
Click to collapse
is it only your supposition? or you have already checked this?
as it says the link above:
"What we will probably do eventually is add an import/export concept to removable storage. So the Camera will always save to internal-16GB, and when you pop in an SD card (or insert a thumb drive on USB host devices) you can start a migration or import/export dialog."
Am I right that there is no ability to connect usb flash drives for now on this device? Sorry, English is not my native language so I could make a mistke while translate this.
Explain to me please. usb-host for usb flash devices present or not?
Thank you in advance.
 
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skanj

skanj

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Sep 2, 2008
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vADimko said:
is it only your supposition? or you have already checked this?
as it says the link above:
"What we will probably do eventually is add an import/export concept to removable storage. So the Camera will always save to internal-16GB, and when you pop in an SD card (or insert a thumb drive on USB host devices) you can start a migration or import/export dialog."
Am I right that there is no ability to connect usb flash drives for now on this device? Sorry, English is not my native language so I could make a mistke while translate this.
Explain to me please. usb-host for usb flash devices present or not?
Thank you in advance.
Click to expand...
Click to collapse

Id like to know as well..

Sent from my GT-I9100 using XDA App
 
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vADimko

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Nov 11, 2009
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I got some answer from modaco forum. man said:
"I tried it with my OTG cable from my Xoom. Plugged in a flash drive and nothing happened... Did not show up in astro either."
It's strange that nobody who already own nexus from this forum didn't tried this function yet. only conjectures that "it must have usb-host".
meanwhile this is very important function for device that doesn't have micro SD support.=(
 
suomaf

suomaf

Senior Member
Jul 14, 2010
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Google Pixel 4 XL
Sony Xperia 5 III
vADimko said:
I got some answer from modaco forum. man said:
"I tried it with my OTG cable from my Xoom. Plugged in a flash drive and nothing happened... Did not show up in astro either."
It's strange that nobody who already own nexus from this forum didn't tried this function yet. only conjectures that "it must have usb-host".
meanwhile this is very important function for device that doesn't have micro SD support.=(
Click to expand...
Click to collapse

oh no! wonder if anyone with the phone can confirm this? honestly this shi* happened with the nexus S with the hdmi out. It was possible on the galaxy s, but not the nexus s. Now it seems the otg works on the galaxy s2 but not galaxy nexus. Sigh, love Samsung.

Sent from my Google Nexus S using Tapatalk
 
S

sblantipodi

Senior Member
Nov 7, 2011
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can't belive that this phone doesn't support USB OTG, please give us more info on this if you have a nexus and you can try it.
 
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vADimko

Member
Nov 11, 2009
42
8
suomaf said:
oh no! wonder if anyone with the phone can confirm this? honestly this shi* happened with the nexus S with the hdmi out. It was possible on the galaxy s, but not the nexus s. Now it seems the otg works on the galaxy s2 but not galaxy nexus. Sigh, love Samsung.

Sent from my Google Nexus S using Tapatalk
Click to expand...
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I think that it isn't samsung fault. GN have the same USB swith that Galaxy Note have. so the hardware is similar. I think the reason may be in new ICS (in that case I hope we will get host later) or in same that GN doesn't support usb mass storage (in that case we can forget about host).
 
suomaf

suomaf

Senior Member
Jul 14, 2010
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Google Pixel 4 XL
Sony Xperia 5 III
vADimko said:
I think that it isn't samsung fault. GN have the same USB swith that Galaxy Note have. so the hardware is similar. I think the reason may be in new ICS (in that case I hope we will get host later) or in same that GN doesn't support usb mass storage (in that case we can forget about host).
Click to expand...
Click to collapse

My past 3 phones have been samsungs. I like the brand but I have this suspicion that they like to keep their better features for their own flagship phones. Not that I can blame them.

Would really appreciate it if anyone can confirm or deny if the otg works on browsing thumb drives.

Sent from my Google Nexus S using Tapatalk



Sent from my Google Nexus S using Tapatalk
 
M

mortenmhp

Senior Member
Jul 23, 2008
685
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Hedensted
vADimko said:
I think that it isn't samsung fault. GN have the same USB swith that Galaxy Note have. so the hardware is similar. I think the reason may be in new ICS (in that case I hope we will get host later) or in same that GN doesn't support usb mass storage (in that case we can forget about host).
Click to expand...
Click to collapse

It's neither.

ICS obviously supports it, as it was part of the sourcecode from hc and onwards.

And it cannot have anything to do with the way it connects to a pc, as that is nothing but a problem with the fact, that the storage for the pc and the storage for app-data is on the same partition, meaning that mounting this partition to a pc in ums would render the phone useless meanwhile.
 
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vADimko

Member
Nov 11, 2009
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mortenmhp said:
It's neither.

ICS obviously supports it, as it was part of the sourcecode from hc and onwards.

And it cannot have anything to do with the way it connects to a pc, as that is nothing but a problem with the fact, that the storage for the pc and the storage for app-data is on the same partition, meaning that mounting this partition to a pc in ums would render the phone useless meanwhile.
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Click to collapse
maybe I don't understand but we are talking about connecting usb flash drive to nexus via otg adapter but not about connecting nexus to pc as a mass storage.
If I understood you properly correct me.
 
J

jms.flynn

Senior Member
Jul 10, 2008
205
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I have just tried this and did nothing, like it wasn't even connected. I tried it with a 8gb kingston flash drive and a 250gb samsung drive. Both nothing sorry. :(
 
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potenza1985

Member
Oct 31, 2011
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You have to use a cable like this to test:


xxx.ebay.it/itm/Micro-B-USB-Host-OTG-Cable-for-Samsung-Galaxy-S2-SII-/320739400862?pt=UK_MobilePhones_MobilePhoneAccesories_MobilePhoneDataCables_JN&hash=item4aad8edc9e
 
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    Chirality
    xinn3r said:
    From all the technical requirements, the Galaxy Nexus SHOULD be able to act as a host, but the question is why flash drives won't work, while the Galaxy S2 can
    Click to expand...
    Click to collapse

    Because the Galaxy S2 is running custom Samsung firmware, not stock Android.

    There seems to be some confusion as to what it means to support USB-OTG. Let me try to clarify it. Just because you have USB-OTG support doesn't mean you'll be able to attach a flash drive to the Galaxy Nexus and be able to utilize it. Here are a list of different scenarios, from worst to best:

    1. The Galaxy Nexus does not have the hardware to support USB-OTG. This is the worst case scenario, and there's nothing you can do about it.

    2. The Galaxy Nexus has all the hardware needed to support USB-OTG, but stock ICS doesn't support USB host mode at all. This is bad but not too bad, it should be possible to add in support for USB host mode to ICS with a custom ICS build, by for example merging in the relevant code from Honeycomb for USB host support that ICS is lacking.

    3. Galaxy Nexus has the hardware for USB-OTG support and ICS has USB host support, but ICS doesn't auto-mount attached USB mass storage volumes. This is the most likely scenario, as this is the current state of the latest stock Honeycomb builds. In this case you should be able to attach USB peripherals like gamepads and keyboards to the Galaxy Nexus and some of these peripherals would work out of the box, but if you attach a flash drive nothing would happen. In this case you just need to make a custom ICS build that auto-mounts attached USB volumes.

    4. Galaxy Nexus has the hardware for USB-OTG support and ICS has USB host support and also auto-mounts attached USB mass storage volumes, but without root apps can't make use of attached USB volumes because ICS lacks the API and permissions to let apps do that. This is an easy fix: you just need root, and then apps like Root Explorer will then let you work with files on attached USB volumes.

    5. Galaxy Nexus has the hardware for USB-OTG support and ICS has USB host support and auto-mounts attached USB mass storage volumes, and has the necessary APIs and permissions to let non-root apps work with attached USB volumes. This is the best case scenario because it lets you work with USB volumes out of the box without rooting. But this is highly unlikely because the latest SDK makes no mention of the necessary permissions needed to let non-root apps do this.

    So don't just try to attach flash drives to the Galaxy Nexus and conclude that it lacks USB-OTG support because it doesn't recognize the USB mass storage volume on the flash drive. There are many intermediate steps between USB-OTG support and actually being able to utilize USB volumes. Take it one step at a time.
    View
    5
    DJTaurus
    DJTaurus
    PaulOBrien Paul:
    USB stick successfully mounted on the Galaxy Nexus. Handy.

    453994996.png
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    3
    sn707
    sn707
    Good news if your rooted and on 4.0.2 there is an app in the market called usb storage manager for the xperia arc. The good news is it works flawlessly. Mounts with my 32gb lexar micro with a cheap adapter from amazon. App is paid and costs $1.67 USD.


    Added:
    Or Stickmount v1.1 by Chainfire
    http://xdaforums.com/newreply.php?do=newreply&noquote=1&p=20460953
    View
    2
    J
    jms.flynn
    Ok, FAT 32 is not working either on either device so sorry it may be my cable, although it did used to work on my SGS2 I have ordered another cable so when it comes i will report but i imagine somebody would have done so already.
    View
    2
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    Chirality
    gambiting said:
    What are you talking about? There is no such thing as a "host cable". These cables are completely passive and their only job is to change the micro-usb socket into a USB-A socket. Nothing more.
    Click to expand...
    Click to collapse

    Andrmgic said:
    Ah. I just saw reports that certain cables didn't work.. some are labeled Usb OTG cables, so I thought there was a difference.
    Click to expand...
    Click to collapse

    Dmw017 said:
    Well the cable for the Moto Xoom says the cable puts the Xoom in host-mode or whatever so... yeah, dunno, but I bought the Samsung one so we'll see when I gets the cable n Nexi :}

    edit: btw thats not why I bought the Samsung cable.. that would be stupid, its just something to test out, for the hell of it ;p i would have bought the $20 cable anyways
    Click to expand...
    Click to collapse

    There is a difference. A peripheral cable has the ID pin floating. A host cable has the ID pin shorted to the ground pin. That's how the device that the adapter is plugged into knows whether it's acting as a host or as a peripheral.
    View

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