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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17
votes
1answer
6k 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?
11
votes
11answers
103k 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 ...
5
votes
6answers
54k 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 ...
6
votes
5answers
46k 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 ...
4
votes
3answers
215 views

What is the standard voltage and current levels for an android battery?

I am using Micromax Canvas Nitro A310; recently, I bought a new USB cable and it seems its not doing the job as required. My phone is not getting charged as it was before. Either it takes too long ...
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 ...
7
votes
5answers
8k views

USB transfer speed ridiculously slow

My Android connection to my computer is ridiculously slow. Just previous to this, I used Banshee to transfer some songs to my Android, and it took nearly two hours two transfer 23 songs. (The problem ...
7
votes
3answers
713 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 ...
6
votes
2answers
5k views

Can Android devices access an iOS file system via USB-OTG?

Using an OTG cable, Stickmount, and Root Explorer, I can view files on my USB flash drives with my Android device. On Windows, it's possible to view an iOS device's filesystem using programs such as ...
5
votes
2answers
15k views

Is it possible to do a complete image backup of an Android device via USB connected to a Windows PC without the Android device being rooted?

I recently purchased a Nexus 7 tablet from Google and I also have a Samsung Skyrocket from AT&T. Neither of the devices is rooted. I'm not too enthusiastic yet about rooting either of them, ...
1
vote
2answers
649 views

How to connect to multiple devices at the same time using adb?

Things I'm using: PC: MacBook Pro (Late 2013), OS X Yosemite version 10.10.4 USB: ORICO H7928-U2/U3 USB 3.0 Smartphones: LG G4, Samsung Galaxy Note 2 ADB version: 1.0.32 I'm trying to connect ...
1
vote
1answer
4k views

How to use an USB 3G modem data connection with an Android phone (Galaxy Nexus)?

I own a Galaxy Nexus phone and i'd like to know if there is a way i can use an USB dongle to provide it with an Internet connection. I imagine I will need some kind of adapter (and some Google ...
1
vote
1answer
2k views

Unable to mount Galaxy S2 on Debian Squeeze laptop as storage device

I am trying to mount my Galaxy S2 on Debian Squeeze laptop. I turned off USB debugging and then in: "Wireless & Networks" → "USB Utilities" → "Connect storage to PC" it asks me to connect a USB ...
8
votes
10answers
39k views

Galaxy S2 not recognized by computer

When I try to connect my Galaxy S2 device to my computer via USB, I get an error saying that the device has malfunctioned and is unrecognized. It appears as "Unknown device" in device manager. I'm ...
7
votes
2answers
757 views

Every time I plug in my phone via USB it automatically mounts the SD card

I have a Motorla Droid running CM6 (essentially Android 2.2). I'm connecting to Windows 7 machines via USB. Every time I plug in my phone via USB it automatically mounts the SD card as external ...
6
votes
2answers
13k 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 ...
6
votes
0answers
5k 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 ...
6
votes
2answers
433 views

Why do all the directories on my tablet have all these weird numbers? [closed]

I have a Samsung Galaxy 10.1, running Android 3.2, which I've rooted. When I plug it in by USB to my Ubuntu computer, it looks like this: There's about 24 or so directories, all numbered as shown ...
6
votes
3answers
4k views

Can I connect to a shell from a PC to my Android using bluetooth or USB?

I want to run some commands on my rooted android phone. It is not very practical to interact with a shell using the touch screen, therefore I wanted to run a daemon on it and connect to it from a PC. ...
5
votes
1answer
11k 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 ...
5
votes
1answer
11k views

Do Samsung tablets have the same USB connector as Apple's iPad?

It seems that the USB cable for the Samsung Galaxy Tab 10.1 (and other Samsung tablets) looks like the one used for Apple's iPad or iPhone. Is it the same?
5
votes
2answers
7k views

Can I stream video from PC to an android device over USB?

I'd like to be able to stream video to my android phone (Samsung Galaxy S rooted 2.2) from a PC running Windows XP (I'm at work!). There's no wireless network here, VLC and similar marketplace apps ...
4
votes
1answer
5k views

Battery life cut in half recently - DrReadUsbStatus issue?

My regular uptime on Samsung Galaxy S2 was around 6 days. For the last couple of weeks it is down to less than 3 days. The change was instant, but I was hoping it would come back - it did not. Running ...
4
votes
1answer
4k views

SGS doesn't go to download, recovery mode nor does it connect via USB after installing a battery MOD

I installed some app called "Galaxy s battery icon mod 2" on my rooted Samsung Galaxy S (with a lagfix OCLF), it required rebooting my handset. Then, it didn't boot up, my handset entered an infinite ...
3
votes
3answers
17k views

Can I use USB gamepad without any setup?

I connected USB gamepad to my tablet. I noticed that software like Tincore KeyMapper requires root access to connect to this gamepad. This type of software recognizes all buttons, but asks me to map ...
3
votes
2answers
3k views

How to copy a file into Micro SD via USB in Android?

How can I copy a file into micro SD of an Android phone connected via USB to a PC with Windows?
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
0answers
4k views

Enable usb debugging mode from adb under clockworkmode “Broken digitizer” [duplicate]

My friend brought me a Xtreamer Q mobile phone with broken screen, clockworkmode is working, but USB debugging mode is disabled, I found some posts about how to enable it from adb i tried them and ...
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
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
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
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
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
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
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
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
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 ...
1
vote
1answer
224 views

No USB connection mode available; PC shows the error: “USB device not recognized”

My Huawei Honor 7 is unable to be detected by my computer. Whenever I plug it in, my computer shows the error USB device not recognized. My phone automatically starts charging but there are no ...
1
vote
5answers
25k views

Galaxy S6 not seen by pc at all

I have one week old S6 and now tried to use adb. I unlocked developer mode, enabled USB debugging, connected to usb and nothing happened. adb devices shows empty list, lsusb on mac and linux as well ...
1
vote
1answer
168 views

Is it possible for a device to consume more power than it is wall-charging?

I have a 2012 Nexus 7 running KitKat. I have a hunch that it is not charging properly. Specifically, if the system is on and the device is plugged into the USB wall-charger, the battery indicator says ...
1
vote
1answer
4k views

Sony Xperia Z1 won't start up again!

As you may know, you have to backup the TA-partition before you put a custom ROM on the Sony Xperia Z1. I've backupped the partition with this .bat file: ...
1
vote
1answer
6k views

How to enable USB debug on Note 2?

No matter what setting I change, my Samsung Note 2 is always entering "USB media mode" instead of "debug mode". I have the USB debug option set and the Google USB driver from the SDK installed, but ...
1
vote
3answers
9k views

Trying to install ADB USB Drivers, but Nexus is never appearing in Device Manager

I'm trying to install the google-adb-drivers.zip file (obtained here) on a Windows 7 64-bit system. The phone is the Nexus S 9020T. USB connectivity works correctly for file transfer mode. When I ...
1
vote
1answer
1k views

4 Android Devices on a USB Hub [closed]

I need to be able to see 4 devices using adb with a hub. When all 4 are connected with usb debugging enabled only 1 of 4 shows up, and even if that devices is unplugged and a different device uses ...
1
vote
3answers
572 views

does Cyanogenmod 7.2 Madteam release 16/6 on Vodafone 858 support USB host?

I've a Huawei u8160 which is running Cyanogenmod 7.2. I saw in the change log that it has better support for USB mouse and keyboard and it was written beside it COMMON. Quoted from the Cyanogenmod ...
1
vote
1answer
13k views

Google Nexus S USB Drivers for Windows 7 64Bit

Anyone knows how to get the Google Nexus S to be recognized by the Windows OS. The only option I could find was to download the Android SDK and then use the driver from there, but unfortunately, it is ...
1
vote
1answer
3k views

USB tethering with Cyanogenmod 7.0.3

How do I enable USB tethering with Cyanogenmod 7.0.3 and Ubuntu Lucid? http://oldwiki.cyanogenmod.org/index.php?title=Tethering mentions Settings » Wireless & networks » Tethering » USB ...
1
vote
0answers
255 views

How to make programs be aware of network connection provided by USB tethering [duplicate]

Possible Duplicate: Android USB reverse tethering: How to fool the apps I use USB tethering to connect my HTC Hero to a computer. And the cellphone can surf the Internet through the ...