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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68
votes
4answers
65k views

How to set up reverse tethering over USB?

My HTC G2 phone is rooted and running Cyanogenmod 7 I don't have a data plan. Sometimes I want to connect the phone to the Internet when there isn't Wi-Fi, to update Market apps, backup SMS messages ...
8
votes
2answers
26k 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 ...
12
votes
4answers
26k views

Can I use my Android device as Wi-Fi Dongle (ie Tethering to PC through USB, but using Wi-FI not Phone Network)?

I want to use my Android phone to connect a desktop (windows 7) PC to the internet via Wi-Fi (ie, not muching though my Data plan). Is this possible with the various tethering options out there? The ...
19
votes
2answers
19k views

Can you connect USB devices to an Android phone?

I have an HTC Desire and would like to connect USB devices to it, for example an external USB thumb drive to transfer files or a USB keyboard. Is this at all possible?
11
votes
5answers
15k views

Drive letter for MTP connection under Windows

In Android 3 the connection to PC as Mass Storage Controller feature was removed. Is there a way to access MTP-mounted phone as a drive letter? I want standard file manager programs (e.g. Total ...
12
votes
3answers
5k views

Are Android chargers universal in terms of power (Voltage, amperage)?

I would like to buy a car charger, wall charger and USB cables for my Samsung Intercept. However, $20 for a charger seems expensive and I want to avoid getting ripped off. The Samsung Intercept Manual ...
10
votes
4answers
6k views

Disable USB charging

For some reasons not related to the battery life, I need to disable the battery charging when a USB host is connected to my phone (a rooted Nexus 4). Taking a look around on the internet (link1, ...
26
votes
8answers
30k views

Why is charging from computer using USB slower than using an outlet?

And what is roughly the ratio of the charging speed in USB vs charger? My phone is Samsung Galaxy S, if that matters.
15
votes
10answers
156k views

“MTP USB Device” driver error (screenshot) when connecting my Galaxy S to my PC in Kies mode — How can I resolve this problem?

I always got this error when trying to connect my Galaxy S to my PC in Kies mode. I can connect it as "Mass storage" with no problem. But I need to connect with Kies mode to get 2.2 (froyo), but I ...
10
votes
7answers
1k views

Can I turn my Android device into a webcam?

If so, how? Could it be implemented via a USB, Bluetooth or Wi-Fi connection?
5
votes
4answers
4k views

Linux fails to mount Android device in USB MSC mode

I wish to mount my Sony Xperia ST21i (Android 4.0.4) under Linux (Debian) via USB. However, I get this error: # mount /dev/sdb /mnt mount: no medium found on /dev/sdb What I did so far: On the ...
11
votes
1answer
4k views

Android USB reverse tethering: How to fool the apps

USB reverse tethering = Cellphone gets network connection from PC via USB. I know how to do USB reverse tethering except for one problem: Many Android apps will check network connection using the ...
3
votes
1answer
10k 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.
15
votes
6answers
163k 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 ...
8
votes
5answers
4k views

Is there a quick-fix for the Galaxy Nexus when it signals “charging” without beeing connected via USB?

My Galaxy Nexus goes into charging mode but when it isn't plugged in. The battery symbol then indicates a charging and when in suspend mode, the display turns on which drains battery rapidly. I am ...
4
votes
2answers
45k 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, ...
4
votes
6answers
60k views

Connect an Android tablet to ethernet

I use tablet with Android in a professional environment and the it department doesn't accept to install wifi. My tablet need to synchronise with CSV file on a LAN share. I'm looking for solutions. ...
3
votes
3answers
8k views

Get root or re-install the OS without a USB cable?

Usually, the guides for getting root or re-installing the OS on an Android device (I have a Samsung Galaxy S, which I'm mostly inetersted about) tell to flash the device from another computer through ...
14
votes
0answers
15k views

Use USB as network access for an Android device (reverse tethering)? [duplicate]

Possible Duplicate: How to set up reverse tethering over USB? Note I'm not talking about getting my PC network access through my Android device, I'm talking the opposite. I sit in a dead ...
10
votes
8answers
46k views

Use an Android tablet as a Wacom drawing tablet for a PC?

Since a nice Wacom tablet is a bit pricey, especially for someone like me who doesn't do much graphic editing, I was wondering if it is possible to use a tablet (i.e. my Nexus 7) as a Wacom-esque ...
5
votes
1answer
2k views

USB Mass Storage Not Working

I have spent a few hours trying to figure out why my USB mass storage function is not working with my laptop. Here's what I've done: Installed Android 2.3.2 (Pete's GPA12) Uninstalled, cleaned, and ...
0
votes
1answer
80 views

Why are USB cables of two different OEM's different

The USB has various purposes for data transfer, movement of input and output signals for hardware like connecting an Android device to another Display screen (USB on the go), charging the device ...
19
votes
4answers
7k views

What is USB debugging? Can I keep it ON forever?

Sometimes I need to transfer some music from my PC to my Galaxy S2 and must always activate USB debugging. Then I think, can I keep it ON forever? I mean, Keep it ON for ever can give me a problem ...
15
votes
5answers
14k views

Is there a way to see the device's screen *live* on PC, through ADB?

I am a vlogger and after getting HTC Desire HD, found out its camera was all I ever needed. However, I usually have to see myself while recording video, to control my facial expressions, and with a ...
13
votes
2answers
21k views

What's the difference between “sd card” and “usb storage”?

Under Settings -> Storage, I see entries for both "SD card" and "USB storage". What's the difference? What should I be using each of those for? In addition, how can I control what data goes where? ...
16
votes
16answers
70k views

Samsung Galaxy S3 not connecting via USB

Since about a week, my S3 doesn't connect anymore via usb to any computer. I don't think it's driver related as it was working before and I didn't change anything on the computers. It now runs Jelly ...
5
votes
2answers
17k views

Problem connecting Nexus 7 as mass storage device on Windows 7

I have an Asus Nexus 7 tablet, and was trying to connecting it in MTP (Media Transfer Protocol) mode to my Samsung Series 5 laptop running Windows 7 SP1 Home Premium Edition. I have a bunch of Android ...
5
votes
1answer
2k views

ICS and support for gamepad/controller devices

I own an Asus Transformer TF101 and finally the official upgrade to ICS has been released. I remember some ICS video previews where they said that ICS would have native support for ...
6
votes
7answers
21k views

How do I get my phone to connect the internal SD by USB?

I recently rooted and upgraded my Samsung Galaxy S2 to version 4, ICS. Since doing so, when I connect my device by USB to my Ubuntu computer, only the 12GB internal storage shows up on my desktop and ...
4
votes
4answers
11k views

Why does my Samsung GT-i9000 not detect USB connectivity (not a driver problem)?

I have made several searches across many boards but failed at finding a solution for my problem yet, even though it's been reported by some. My phone was working fine for about a month, I was using ...
3
votes
2answers
9k views

Installing USB driver for Micromax A50

I have to install USB driver for Micromax A50 . I have google USB driver installed through SDK Manager, but need a USB driver specifically for this device. To install this USB driver I think, I need ...
8
votes
2answers
558 views

Other manufacturer's USB data cable for charging?

Is there any harm in using a USB data cable of any other phone (say LG) for charging up a Nexus S? "Any harm" here means will it adversely effect my battery life or the Nexus S device in any way?
5
votes
1answer
1k views

How can I charge an ASUS Transformer while connected to USB?

Currently I'm developing with my Nexus S but would like to use Asus Transformer for that. So far I figured that device won't charge from USB. And for me - I need to have it on USB for debugging while ...
4
votes
5answers
22k views

Samsung Galaxy S III (S3) Won't Connect via USB with Android File Transfer with MacBook Pro - Mountain Lion

I saw some similar questions along these lines with newer Samsung devices, but I will post a question here anyway in case an answer for me ends up being an answer different than that for someone else. ...
3
votes
1answer
3k views

Micro USB cables that only charge but no data, no mounting etc (Samsung Galaxy S)

Not all cables seem to be created equal but I've never got to the bottom of why so many (cheap) cables I try only charge - no data. Anyone know why? Certain pins not connecting? I do know that longer ...
3
votes
3answers
15k views

How to use an Android device as bluetooth USB dongle?

Is there a way to use my android device as a bluetooth USB dongle without rooting it?
2
votes
4answers
7k views

File Transfer: How to transfer files betwen my Xperia Neo (Android 2.3) and Kubuntu Linux?

I have bought a Xperia Neo which runs Android 2.3 and I'm running Kubuntu Linux on my Laptop. I just connected the Phone using a USB Cable and set it to Mass Storage Mode. I expected to have the ...
2
votes
1answer
2k views

Connect Android device as wifi adapter to a PC to create an ad-hoc network

Sometimes when being at a friends house there is no wifi but wired internet access. In these cases it would be extremely useful if I could plug my phone in and create a wifi network just like when ...
0
votes
1answer
118 views

USB Connection Not Working After Recent AT&T Update on Galaxy S3

I found I failed to transfer pics in galaxy to my computer using USB connection after my recent AT&T update. I chose settings->network->more network. And there is an option to tethering via USB ...
7
votes
2answers
939 views

Optimal Linux Distro to Install to SD card to use as USB-Bootloader for PC?

Many people install Linux-based distros on USB drives to use for, largely, basic PC troubleshooting. Has anyone tried installing such a thing on their Android phone's SD card? That way instead of ...
15
votes
1answer
4k views

Charging over USB can be harmful?

Considering that charging over USB can take around 5 hours (to only 1-2 hours it would take from the wall mounted plug), can it be harmful for the smartphone battery if it's always charged from USB?
12
votes
7answers
20k views

Not all files are visible over MTP

I have LG L5 (e610 model) device with Cyanogenmod 10. When I connect the phone to a computer with Linux (I have mtpfs installed), I can see both internal storage and the SD card. However when I ...
11
votes
11answers
71k views

Galaxy S3 is unable to transfer files over USB: “USB device not recognized”

I have Galaxy S3 with baseband version I9300XXLFB and I'm having problems when it is connected to the PC. I cannot transfer or retrieve any files or data over USB. When I plug it in to my PC, it ...
11
votes
7answers
4k views

Stream Sound from Ubuntu to Android

I got tired of replugging my headset between a desktop and Android when someone calls me. Is there a way to stream sound from Ubuntu (I use Pulseaudio) to Android phone over wifi or usb?
5
votes
6answers
37k views

Why doesn't my Samsung Galaxy S communicate via USB?

I discovered today that I cannot connect my PC with Samsung GT-I9000 any more: when I plug in the microUSB cable, nothing happens other than that the phone starts to charge. Earlier I got to see ...
3
votes
3answers
16k 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 ...
6
votes
5answers
38k views

Any success with external microphones for Android phones or tablets?

What's the best way to record a video with high quality audio? Specifically, this is for a presentation where a microphone could be placed by the speaker. I know that an app that records with the ...
2
votes
2answers
799 views

Is it possible to use an Android phone as network disk, so I can browse it on my TV?

Is it possible to connect an Android phone to my TV with a USB cable, and then browse a network disk instead of the SD card? To answer comment questions: HTC Desire HD, TV is able to browse USB ...
7
votes
3answers
422 views

Touch input does not work right when phone is plugged in

Basically touch input either doesn't work at all, or works erratically. This includes the the lock screen too. It happens both plugged in to a USB port or to the outlet. I've had this problem on ...
6
votes
2answers
12k 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 ...