Starting with Android 3.1 and higher, the device USB port, if supported by the hardware, can be used in host-mode, which allows applications to manage connected USB peripherals such as audio devices. input devices, communications devices, and more.

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How can I revoke an app's permission to access USB after granting it permanently?

I have an app that requested USB access, and when prompted I selected "Yes, allow this app to use USB" and checked the "permanently" checkbox. Now I would like to revoke this permission so that the ...
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93 views

Is it possible to plug a thumbdrive / portable harddisk that have multiple partitions to a tablet

Is it possible to plug a thumbdrive / portable harddisk that have multiple partitions to a tablet (any generic tablet or tablets in general) or there is a need to use a Apps to perform such actions?
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1answer
2k views

Enabling Android as USB host on Galaxy Nexus or Nexus 10

I'm trying to develop applications that talk to USB devices, but nothing works. I installed a USB Host Diagnostics app, and it tells me that there's no OS support for device detection on the Galaxy ...
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1k views

Copy SD Card contents to USB HDD

I'm considering to buy an Android Tablet (e.g. Nexus 7). One of the things I would like to do is, copy some content of my SD Cards (e.g. camera, gopro) to a USB HDD. Can I do this with an android ...
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567 views

How can I connect a USB portable printer with a Samsung Galaxy Note 2 without rooting phone?

How can I connect a USB portable printer with a Samsung Galaxy Note 2 without rooting phone?
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1answer
4k views

Since which Android version can you use Ethernet through the USB port? Which makes are repotedly work with CyanogenMod?

As far as I know Android supports Ethernet via USB, right? If yes, since which version of the OS? What are makes of Ethernet USB adapters which are reportedly work with CyanogenMod? What are makes ...
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1answer
9k views

Successfully activated USB host mode using terminal emulator; now mass storage won't work

I have a Huawei u8160 running Cyanogenmod 7.2 . I've recently been digging into USB host mode and I finally activated it. However when I connect my phone to the PC it doesn't give me a notification ...
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2answers
17k views

How can I format a flash drive using terminal emulator?

I have a Huawei u8160 running Cyanogenmod 7.2. I've recently installed the usb host package and some time then I successfully activated the usb host mode. after that I needed to format a flash drive ...
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2k views

Connecting Android smartphone/tablet to PC and another device through USB hub

I am going to connect a USB device to Android mobile phone, using Android ICS 4.0 USB OTG. Can I connect this device to smartphone through USB hub and connect the phone through USB hub to PC in order ...
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1answer
704 views

Configuring wired network connection with WiFi still enabled

I have a Nexus tablet and a USB-OTG + USB/ethernet connected. I have proved the hardware works by disabling WIFI and ifconfig'ing up eth0 with netcfg eth0 dhcp ping, traceroute all work as ...
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1answer
471 views

Creating USB connector cable using female-female adapter

In order to connect a pen drive to One M8, I tried using a female-female USB adapter with one end connected to my phone via the provided USB cable and a pen drive inserted into the other end.. however ...
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1answer
2k views

Do all Android devices have USB OTG support?

I am using celkon A98. The specification of my device says it does not have USB OTG support .. I tried OTG troubleshooter app... it says USB host is supported ... Do I have USB host functionality ...
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1answer
3k views

Must a USB OTG adapter be used to connect a DAC/amp to an Android or can I use a Micro USB to Micro USB cable?

I'm trying to connect a DAC/amp with a micro USB connection to my Android smartphone. Is it possible to get the DAC/amp to work without the larger "adapter" type OTG cable, and use something like this ...
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1answer
538 views

rooting device stops usb-host-mode working

After I rooted a Nexus 10, the USB Host mode is no longer available. I have checked the original unrooted device with Chainfire's 'USB Host Diagnostics' tool and it recognises a plugged in Arduino ...
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31 views

How do i connect my usb device always in a same port?

I am having little experience in Linux. When working with USB, after I disconnected and reconnect the USB device, linux itself create a new port(/dev/bus/usb/005/007). Then again I disconnect the USB ...
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126 views

Why won't my generic USB gamepad work on my MK808B Plus?

I recently bought a MK808B Plus HDMI-stick (http://www.cnx-software.com/wp-content/uploads/2014/11/MK808B_Plus.jpg). I have installed a custom ROM (4.4.2) but I can't for the life of me get a generic ...
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5 views

Samsung Galaxy tab S . Need to both charge it and attach a usb barcode scanner at the same time. [duplicate]

Is there a cable or USB hub that will allow me to both charge the Tablet and run a usb bar code scanner at the same time? Blue tooth scanner not suitable for the environment.
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1answer
621 views

Share Android cell phone network connection over USB OTG to Wifi Android tablet

How do I share my cell phone's network connection with a Wifi tablet? Specifically I'm using a Samsung Galaxy S6 and a Nexus 7. I bought a USB OTG cable. Which end do I plug the USB into, and which ...
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1answer
795 views

Send data to usb port

i want to send data from my HTC Incredible S to my Arduino Uno. I want to do this by using the micr usb port. But it seems like my smartphone is not supporting the usb host mode. Will it still be ...
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1answer
136 views

music play back via USB connected to karaoke player

I am trying to play music on my Nexus7 via USB connected to a karaoke player. It does not play through karaoke player speakers. What should I do ?
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1answer
398 views

Unlocking Droid XT912 with a Fully Broken Screen/Digitizer

I am trying to pull data off a Droid Razr XT912 with a broken digitizer and screen from last summer which has been under pattern lock since then. I purchased a Micro-to-HDMI cable, which successfully ...
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239 views

High current negotiation using hub on USB OTG?

I have been tinkering with an Android USB-OTG project and could use some assistance. I have been able to invoke USB-OTG power delivery in my host device (Galaxy S3) to a peripheral through a makeshift ...
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112 views

Can android devices with the exynos 5 chip provide 900ma in USB 3.0 host mode as per spec?

I'm interested in the possibility of supplying peripheries with 4.5W, with a exynos 5 android device as USB host. It would seem there is USB 3.0 support as host, though I'm wondering if it would ...
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499 views

Stop device connected as host charging connected device

I am connecting a Nexus 10 to an Arduino board in host mode. The Arduino board has its own power supply, but is still drawing power from the tablet. This post suggests that this may happen if the ...
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1answer
1k views

Suppress “autoplay” when external USB drive connected

On some phones, when an external USB drive is connected to the phone, there is sort of an autoplay function where it automatically brings up the "My Files" screen. Is there a way to suppress this? ...
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1k views

USB host port via Android accessory protocol adapter

Is it possible for an Android 4 phone with only a standard micro-USB port (not OTG), to be provided with a USB host port through an adapter using the Android accessory protocol? Do such adapters ...
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2answers
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Does LG Optimus G (E-0975) support USB host mode?

Device: LG optimus G (E-0975) Android: 4.1.2 Does LG Optimus G (E-0975) support USB host mode? If yes, what can I do with that? How do I use it?
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291 views

Using Micromax 353G Dongle with Penta IS701C tablet

I have purchased Penta IS701C recently. I have a Micromax 353G dongle, and want to know if it supports my Penta tablet. If yes, how could I use the dongle in the Penta tab?