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

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3
votes
3answers
2k views

Why does my SD data get messed up when i connect to PC with USB?

Every time I connect my phone to my computer via USB (Huawei U8666E, Android 4.0.3) even after I've disconnected my phone, the following 2 things happen (that I can tell): My ringtone goes back to ...
3
votes
0answers
788 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 ...
3
votes
0answers
144 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 ...
3
votes
1answer
1k views

Xperia Arc S typing problem while connected to PC?

I am having a problem with my Xperia Arc S, running Android v4.0.3. When I connect my phone to PC with USB cable, and trying to type anything while it's connected, my phone detects a single touch as a ...
3
votes
1answer
3k views

Android USB Gadget Driver

I am trying to get Ethernet over USB working for my Nexus S. I am running Ice Cream Sandwich v4.0.3 and have rebuilt the kernel with USB Gadget support turned on. When I connect the phone to my ...
3
votes
1answer
2k views

Can I input a video signal into my HTC phone to use it as an external monitor of a camera?

I'd like to use my HTC Evo 3D as an external monitor for my Canon 7D camera. The Canon 7D has a HDMI output. It also has an USB port, naturally. I was wondering whether this would be possible. I ...
2
votes
3answers
13k views

Can USB charging (via mains adapter or from PC/Mac) of Android tablets be the main, primary method of charging? Or are there design issues?

Are there design issues with tablets being charged by USB not seen with Android phones? I saw this on another forum, what are your thoughts on this with regard to my question? ...
2
votes
2answers
2k views

What Android distro can boot from USB stick in PC/Laptop?

I have an old HP Pavilion dv2000 laptop with a busted hard drive. I want to put a compatible Android distro onto a USB thumb, plug this in to the laptop and boot into it and use it for casual www ...
2
votes
1answer
2k views

Using USB peripherals with hardware debug

I have a developer tablet, and I also need some peripherals connected via USB to my tablet and debug cable at the same time. I tried to connect USB hub to my tablet using OTG cable, by got the problem ...
2
votes
1answer
5k views

Android USB tethering to an OpenWRT router

I'd like to USB-tether my Android phone to a local router. I have a tether plan, so that's not an issue. My reasons why I want it this way: the router should expose the internet to all ...
2
votes
2answers
20k views

“USB Storage damaged. It may need reformatting” error message in status bar

On rebooting my Samsung Galaxy S2 (running Villain ROM 3), I got an error in the status bar "USB Storage damaged. It may need reformatting". File managers like Astro fail to open the /mnt/sdcard ...
2
votes
3answers
78 views

Charge and USB keyboard through 1 USB port

I have a Samsung Tab E that only has one USB port. Can I charge the tablet and have a USB keyboard attached at the same time? I've tried a 3-way cable ( link to Amazon ) but it supplies power to the ...
2
votes
1answer
196 views

How do I get a ROM onto my ICS (Android 4.0) tablet?

I have a Galaxy Tablet 10.1. I decided to root it, that went fine. Then I decided to upgrade to Ice Cream Sandwich. That also went fine. It was only after upgrading that I discovered the camera does ...
2
votes
2answers
767 views

Share memory access on SD card between a PC and an Android App

When you connect an Android Phone with an SD Flash card to a PC, with the Disk Drive option selected, it temporarily will be impossible to access the flash from the an Android App. What about phones ...
2
votes
1answer
3k views

Recursive adb pull

How to copy a whole directory (and all of its content recursively) over USB with adb pull? For instance to backup the SD card. Attempt: $ adb pull /sdcard backup failed to copy '/sdcard' to ...
2
votes
4answers
10k views

Why can't I charge a Samsung phone?

I use a dual-port 2-amp charger with an Amazon Basics USB cable. This works perfectly fine to charge my Nexus 4 and the Nexus reports "AC" not "USB" as charging mode. From the recharge time it's also ...
2
votes
1answer
33k views

Tablet not recognized as removable storage

I have an Android A-13 Android tablet version 4.0.4 Baseband version 4.0.14 I have been trying to get my PC to recognize it so that I can download my music to it. But I do not know if the PC does ...
2
votes
2answers
851 views

How can I retrieve data from an Epic 4G without a working screen?

My epic 4g served me well for 10 months before the screen died out on me. I bought a new one and would like to transfer data from my old phone to my new phone, however, it seems impossible when the ...
2
votes
5answers
22k views

Android phone doesn't pops up with “USB connected” message

We have a Samsung GT i5800 with Android 2.1update1. When I put a memory card in it, it recognizes it, great! But: When I want to connect the phone via USB to my PC: this picture DOESN'T comes up: ...
2
votes
1answer
6k views

How to view pictures from Samsung Galaxy Mini on Sony Bravia tv?

Any idea how can I connect my Samsung Galaxy Mini to Sony KDL-22EX320 Bravia tv? I cannot get it to show up as a USB device. The tv manual also mentions the possibility of browsing wifi devices but I ...
2
votes
1answer
3k views

Possible to charge one phone off another?

What's stopping the ability of charging a cell phone from another cell phone? If I were to create a crossover/patch USB cable and connect it between two phones or tablets, would there by any way to ...
2
votes
2answers
823 views

Connecting USB mouse to Galaxy SIII

I bought a basic female to female USB adapter and connected my Galaxy SIII USB cable to the mouse. This didn't work. What am I doing wrong? Do I need an OTG cable? Something about USB hosts? I don't ...
2
votes
1answer
3k views

Mapping Xbox 360 (wired) controller buttons on SuperGNES

I'm trying to map A & B buttons on a android snes emulator (on ACER A500 running android 3.2) but it seems that A & B buttons are mapped as "back" action by default on android. Is there any ...
2
votes
1answer
932 views

Can you get MAC drivers for Huawei U8180?

I have a Huawei U8180 (sometimes called X1). When I mount the USB I can see the SD card and there is also a tool on the device to install the Windows drivers. But can't seem to find anything for ...
2
votes
3answers
7k views

Is there a way to stream all audio from PC to Android via USB?

My headphones socket on my laptop is busted, and I'm wondering if I can stream all the audio (every sound the PC makes) from my laptop to my Android, so I can use the headphones connected to the ...
2
votes
1answer
2k views

Substitute Win7 USB drivers for ADB mode

Under Mac OSX there is no need for a USB driver for ADB mode. Under windows, apparently, there is. I'd like to be able to adb shell to my android tablet from my Win7 PC. This table gives a list of ...
2
votes
1answer
148 views

Writing an ISO file to flash memory

I have an Ubuntu DVD ISO file downloaded in my android phone. Is there any way or any app I can use to write the ISO file to a USB flash memory connected to the phone so that the flash memory can be ...
2
votes
1answer
10k views

Can I play movies on an Amazon Fire HD from an external USB hard drive?

I read the some Android devices are able to mount USB hard drives or pendrives connected directly to the miniUSB of the Android device: ...
2
votes
1answer
434 views

Is it possible to use Samsung Galaxy Nexus as a bootable USB stick?

I want to install centOS linux distro on my desktop, which does not have a disk drive. Moreover, I posses a 4GB usb stick which is insufficient for installation. I need a usb stick with atleast 8GB to ...
2
votes
2answers
4k 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.
2
votes
1answer
4k 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 ...
2
votes
2answers
3k 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
2answers
5k views

How to use USB Keyboard and USB Mouse In Android Tablet Simultaneously

My Android Tablet is having one Standard USB port and One Micro USB port I use Mini for 3G Dongle..... Tablet is not having Bluetooth. I want to know is it possible to connect mouse and keyboard from ...
2
votes
2answers
1k 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 ...
2
votes
1answer
1k views

Does Galaxy Tab 10.1 USB adapter allow an external web camera?

Does the Galaxy Tab 10.1 USB adapter allow you to plug in an external web camera? The Samsung site does not appear to say either way (or to even list what you can use with the USB adapter.) And if ...
2
votes
1answer
2k views

USB drivers on the xperia play

I'm helping out a friend with rooting Xperia play, I spent 5 hours trying to root it yesterday with him and we couldn't. We tried gingerbreak and z4mod but they did not work, so we tried the fastboot ...
2
votes
2answers
4k views

Usb connected constantly flashing on screen

The USB connection keeps coming up on the top bar of my Samsung Galaxy S. It wears down the battery and the phone turns itself off randomly, sometimes its hard to get it to turn back on, I have tried ...
2
votes
1answer
498 views

How can I connect my A500 to an iMac for charging and file transfers?

I have a Acer Iconia A500 and I am using an iMac. I cannot charge or share my device as mass storage with my computer over USB, though I am able to use bluetooth for transferring data. Are there any ...
2
votes
1answer
141 views

Does dual core help transfer speeds?

I read a review of a dual core mobile recently and the reviewer was of the opinion that dual core processor helped the usb transfer speeds. This doesn't seem to make much sense to me. When the phone ...
2
votes
2answers
3k views

Connect XOOM to internet using a USB UMTS Stick

I have bought a XOOM WiFI, and would like to know if it would be possible to connect it to internet using an external USB UMTS Stick (Huawei E122 HSPA USB Stick). I am aware this is not supported out ...
2
votes
1answer
95 views

Update/Reset android firmware by SD Card. Verizon Samsung S4

I have a Verizon Samsung Galaxy S4 that was rooted on the 4.3 build with the saferoot method (I think, it's been awhile). I had since installed Xposed framework and installer, etc. I unrooted with ...
2
votes
2answers
1k views

Nexus 5 in recovery mode not being recognized

I wanted to sideload Android 5.1.1 (currently running 5.1) to my Nexus 5. I've sideloaded before and it's really easy, but now I've ran into a weird problem I can't seem to fix. The Nexus 5 is ...
2
votes
3answers
7k views

How do I get my Samsung Note 3 to be recognized by my PC?

When I plug my phone into my PC (which is running Windows 7 OS) only charging takes place. When I view my phone in Device Manager, it says that Samsung Android files are not installed. But I installed ...
2
votes
1answer
38k views

Can't connect Samsung Note 3 to Windows 7

I am having problems connecting my Samsung Note 3 to Windows 7 64bit on my laptop. I have installed Kies and drivers already and still nothing. Under device manager it is still labeled "Unknown ...
2
votes
1answer
694 views

External harddrive case to spin-down drive when idle

I try to make external 2.5 hard drives automatically spin down when idle and connected to android devices. The device I have got in mind is a HDMI TV-Stick with USB connector. I tried a few ...
2
votes
1answer
527 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 ...
2
votes
1answer
2k views

Linux ADB Driver for LG Viper (LG-LS840)

On most devices I've run across I can plug the device into a Linux machine and no additional drivers are needed in order for ADB to communicate with the device. However on two LG devices from last ...
2
votes
1answer
188 views

Can I update my android system although the USB port is broken?

The USB port of my LG-p500 is not capable of exchanging data anymore (the device or any dmesg do not show up when connected to a computer). Charging still works, fortunately. Due to some annoying ...
2
votes
2answers
6k views

My Samsung Galaxy S doesn't recognize when it is plugged in to USB

When I plug in my Samsung Galaxy S (Model SAMSUNG-SGH-I897, Firmware 2.2, Kernel 2.6.32.9, Build FROYO.UCKB2) to a computer, it starts charging, but does not recognize the USB connection for data. I ...
2
votes
2answers
9k views

USB Driver for HTC Dream G1 - 64 bit Windows 7

I have a HTC Dream G1 (T-Mobile) - android version 1.5 and I have 64 bit Windows 7 on my laptop. I am unable to access the memory card in my phone through my laptop. Can someone tell me how to install ...