Universal Serial Bus (USB) is an interface to communicate between the mobile device and the computer. This is for questions regarding connecting an Android device to a computer's USB interface.

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3answers
992 views

Android OS 4.0 - USB host mode support for external keyboard

I would like to use an external USB keyboard with the Odys Next Tablet. Does Android OS 4 support USB host mode and will an USB external keyboard work with that tablet if it's connected with an OTG ...
4
votes
2answers
3k views

Galaxy Nexus does not charge when turned on

Galaxy Nexus does not charge when powered on, but it charges properly when powered off. Phone doesn't detect USB connection also. This happened without any reason. Phone is not rooted. Tried ...
2
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0answers
371 views

LG-P870 USB not detected in Windows 7

I'm trying to connect my LG-P870 to my laptop running Windows 7, so I can drop some music and contacts onto it. My software version is P87010i. I installed the USB driver (tried two versions) as ...
1
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1answer
5k views

Galaxy Note II USB connection not working

On my Galaxy Note II (android 4.1.1), any time I try to connect to something over USB, it doesn't seem to want to connect. Specifically: -iSyncr gives me errors connecting; so does Android File ...
3
votes
1answer
5k views

Is it possible to boot an Android phone from a USB drive?

Is there any way to boot an Android phone* from a bus-powered USB drive**? If so, what are the steps to achieve this? * E.g. one with USB OTG functionality. ** E.g. a flash drive.
0
votes
1answer
449 views

How to connect Galaxy S2 m250s model via USB?

I have a Samsung Galaxy S2 that my uncle brought for me from Korea. This model of the S2, for some reason, has connecting issues through USB. The computer does not detect it at all! I tried connecting ...
2
votes
0answers
130 views

How to disable USB data connectivity on rooted device

I have a Transformer TF101 and I have Android 4.0. I want to disable the USB data connectivity of it for my purposes. The device is rooted. How can I do that, and can I change the implementation of ...
1
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3answers
12k views

Android ADB Shell Recovery Mounting

*Question: I need assistance mounting an Android phone's internal data using the Android ADB Shell while the unit is connected via USB and in recovery mode. How do I form a proper mount command? See ...
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0answers
1k views

How to activate usb port, -sc3 usb host driver not found

I have an unbranded rck30sdk tablet running Android 4.1.1. I have run USB diagnostics, plus host controller which gives me the messages: sc3 usb host driver not found, root hub present, usb host ...
0
votes
1answer
948 views

How do I get my Android Phone to connect its internal SD to my PC via USB?

For some reason my Galaxy Y GT-55360T phone running Android 2.3.6, won't connect its SD card to my Ubuntu 12.10-running PC when I plug the USB cable into it. It did before, I have no idea what I did ...
2
votes
2answers
3k views

Cannot see the video files in the phone on my PC

I have this very strange issue which I discovered on my month-old Note 2. I never had this issue with my previous device which was a Nexus S. I hooked up the phone via USB to my PC, and selected ...
1
vote
1answer
423 views

UMS protocol on Android Tabs

I'd like to have a android tablet on ics which allow UMS (usb mass storage) I saw that some of the current models didn't propose UMS (like galaxy tab 2 or google nexus), only MTP. It sounds like a ...
1
vote
1answer
681 views

Can I boot into other OS (such as Ubuntu) from an Android OS tablet that have a USB host?

I have the following scenario: A user have a Android OS tablet that have Android 4.0 The tablet have a full USB port (not the mini USB port) The user have a thumbdrive that have a boot from USB ...
1
vote
1answer
1k views

How to install Android completely as new to ASUS Eee pad transformer?

I have ASUS eee pad transformer. I used OLife to use Ubuntu on it, it worked but it crashed Ubuntu. Now when i boot it always goes to APX mode, so i have black screen only. No Android, No Ubuntu i ...
3
votes
0answers
275 views

Verizon Galaxy Nexus Discharging When Plugged In Even After USB Replacement

I've got a Verizon Samsung Galaxy Nexus that as of a few weeks ago quit charging - in fact it quickly drains the battery (discharges 2% / minute if not more) while plugged in. I tried different ...
15
votes
1answer
57k views

Are there USB settings in CyanogenMod 10? If so, where?

When I shut off USB Debugging in the developer settings I get a USB Mass Storage prompt upon connecting the device to my computer. However, for the life of me I can't find a place to shut off this ...
0
votes
0answers
1k views

Connect Android phone to router via USB-to-Ethernet

I own an HTC Desire HD and it currently has the IceColdSandwich custom rom on it. I also own a usb OTG adapter and a D-Link USB 2.0 Fast Ethernet adapter DUB-E100. What I want to achieve is to ...
0
votes
1answer
495 views

Connecting to PPPOE ethernet over USB to ethernet adapter

I have an ASUS Infinity tablet, running Android 4.1.1. I plugged in my USB to Ethernet adapter, and it said that the ethernet port was detected. How do I set up my ISP username and password?
2
votes
2answers
2k views

Can I use usb OTG for serial connection between nexus 7 and Arduino?

I got myself an OTG cable for Nexus 7, which works just fine. Now, I am wondering if I can connect the Nexus 7 with my Arduino for serial communication between the two.
1
vote
1answer
278 views

Samsung Galaxy 2.3.5 usb storage broken

My Samsung Galaxy 2.3.5 is showing the tool bar message 'USB storage broken' . I'm unable to enter the gallery, photos or videos. I have no SD Card in the phone, all all the storage I have is ...
2
votes
0answers
296 views

Android Tablet (Sony Tablet S) with USB Barcode Scanner

I have a USB barcode scanner which, when plugged into a Windows PC works fine, just as a keyboard it 'types' the barcode into whatever software is open. I am attempting to use this with an Android ...
1
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1answer
1k 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 ...
7
votes
1answer
8k views

What is JTAG in regards to Android?

I see the term JTAG used for reviving dead Android devices that otherwise don't respond to anything and aren't seen when USB connected. It seems that it's something done from the physical hardware ...
2
votes
2answers
964 views

Can't connect an already booted device to adb

Every time I want to connect my phone to adb via USB I need to turn it off, plug the cable and turn it back on. Is this the right way to go or am I missing something? Documentation doesn't seem to ...
0
votes
0answers
446 views

Transfer a large file from PC to smartphone

I have a Samsung Galaxy S2, and a PC with Windows XP (I do not have WiFi). I want to transfer a 2.1 GB file from the computer to the phone. If I transfer the file as usual, I have the following error: ...
3
votes
2answers
11k views

My screen got broken, how to see on the computer what I'm doing in my device?

My Android device screen got broken and I can't see what I'm doing. That's the only wrong thing with my device, the rest is apparently working OK. Is there any way to send my device screen to my ...
1
vote
0answers
633 views

MTP mounts vs USB storage - restrictions

Just got a nexus 4, and tried to copy files from my nexus one to it. Copying the N1 SD data to my linux box was a breeze, but the N4 doesn't offer simple mounting. Shows up as a USB Camera, with ...
1
vote
1answer
3k views

How do I use an external USB keyboard?

My tablet's running Android 4.0.3, and I'm trying to use an external keyboard with it. My tablet isn't detecting the keyboard, but it works when I plug it into my computer. This keyboard uses a normal ...
1
vote
1answer
469 views

galaxy tab 2 usb issues

My new Galaxy Tab 2 can't connect to my PC via USB. When I plug it in my PC, it plays a tone. It means some new hardware has been connected. It appears in Kies as GT-P3113. But when I mouse-over it, ...
6
votes
1answer
177 views

How can I see what kind of car charger I have?

I noticed that when using navigation plus GPS my phone (Galaxy S2) still discharges a bit even so its connected to a car charger. While googeling, I found out that regular USB chargers only charge ...
1
vote
0answers
1k views

Why won't my Galaxy Tab 2 connect with WiFi or USB?

Whenever I try to connect to WiFi or my PC with USB, it always just says "connecting..." indefinitely. It detects my WiFi signal, kies detects the tablet, but neither one has managed to actually ...
2
votes
1answer
317 views

Pandaboard ES OMAP4460 USB Ports Technical Specifications Question

Technical specifications for Pandaboard ES OMAP4460 shows that it has 3 USB ports. 1x USB 2.0 High-Speed On-the-go port 2x USB 2.0 High-Speed host ports My question is that what's the difference ...
5
votes
2answers
7k views

Connecting multiple USB devices using a USB hub that connect to the USB port of a Android devices

Is it possible to use and connect a USB Hub on any generic and major Android tablets that only have 1 USB port and connecting multiple USB devices (depending on how many port the USB Hub have) such as ...
1
vote
2answers
2k views

Not able to connect xperia tipo to Ubuntu

I can connect my Xperia Tipo to Windows but not able to connect Ubuntu. Why is it so? Is there any changes that I need to make to my phone ?
2
votes
0answers
1k views

Communicating with micro USB to Ethernet

I am trying to communicate with an ethernet enabled devices from my Android phone. My phone has Android 2.3.6 and the device I am trying to communicate with has a mini web server running on it. The ...
11
votes
6answers
124k views

Unable to connect Galaxy S3 to PC via USB

I've had my Galaxy S3 for a few months now, and have always been able to connect to my PC via USB. A few days ago, it suddenly stopped working. I've found many other Android.SE threads, but none have ...
-2
votes
2answers
547 views

How to access a webservice running on a Win7 PC from an unrooted Android device via USB?

I have a use case where my app running on an Android device need to communicate with a web service running on a Windows 7 PC. This was achieved using wifi successfully. But now I need to achieve this ...
4
votes
1answer
6k views

Non-root methods to mount USB storage devices

From my understanding, one can use StickMount to mount USB Sticks / Thumbdrive. However, StickMount require one to root phone. So, are there ways that I can mount a USB Sticks / Thumbdrive to a ...
2
votes
0answers
428 views

How to setup VLAN on Android?

Can anybody give me idea how to setup the VLAN on android. I get VLAN 200 tagged traffic from some device. So how can I configure or setup the networking stuffs in android to allow traffic tagged with ...
1
vote
1answer
186 views

HDMI + USB communications

I have a LG-P930 cellphone with Gingerbread 2.3.5. This device has a micro-USB connector that shares pinout with HDMI. I bought a MHL adapter but it seems that the USB plug on this device is for power ...
0
votes
1answer
90 views

Access PC drives

Is there a way to access a PC's drives from a Galaxy Note (4.0.4) through the USB port at the initiative of the phone itself. Ideally I would write an Android application which would - permissions ...
0
votes
1answer
275 views

Why LG GT540 after boot it disconnects with ADB

Why when my phone LG GT540 is running and seen by ADB after bootup it disconnects (not from PC just from ADB, as PC still can see it it Device Manager) after few seconds after bootup sequence? The ...
5
votes
2answers
11k views

What are my options for connecting my Android to Ubuntu?

I have a Samsung Galaxy S2 running rooted Jelly Bean 4.1.2. My computer is running Ubuntu 12.10. Before, in Android 4.0, I simply plugged the USB in, and a notification would pop up, and I was ...
1
vote
2answers
2k views

Sony Xperia U with my Windows XP laptop

I have Windows XP and every time I connect my Xperia U, the computer thinks it a camera. I think it's a driver problem so I found the drivers on the Sony Website, but I'm not sure how to install them? ...
1
vote
1answer
4k views

Bluetooth USB on Android

Is there any way to add Bluetooth USB dongle support to Android OS? My version that I use for an embedded device doesn't contain any BT dongle support I think. What has to be done to add this ...
1
vote
1answer
1k views

Can the MK802 III use an ethernet connection instead of wifi?

Just got the MK802III and got some Ice Films related apps installed. A lot of the content is streaming, so I'm wondering if I use an ethernet cable to connect to my router via USB to the 802, if I'll ...
1
vote
0answers
182 views

Routing uPnP over USB to ethernet on Ubuntu

My phone has a uPnP server app (MirrorLink) that should connect to an in-car dash via USB. However, for testing out I have downloaded the Nokia Qt Client, but as far as I can tell from the source code ...
1
vote
1answer
821 views

Want to root Using windows which is on VirtualBox.How do i make it recognise the fone when phone is off?

I want to root my phone (Micromax A52) and i got the procedure. But I use Ubuntu for everyday use and now for rooting i need Windows. I installed it in virtualbox. Now in vbox,the usb device is ...
4
votes
2answers
34k views

Samsung Galaxy Tab, charging technique through USB Cable

From Galaxy Tab is not being charged through USB Cable @Chris Stratton Tablets have larger batteries than phones and may be unable to sufficiently charge from the half amp limit of a USB port, ...
3
votes
1answer
6k views

Can I use my android as a wifi bridge via USB?

I have a broadband connection to my computer, but no wireless router. I would like to know if I can connect my android as a wifi bridge; using my broadband connection instead of my mobile internet ...