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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EDIT: FIXED - USB Connection Not Registering on Phone

Starting about two weeks ago, I've been having some issues with my Android phone ( HTC Vivid running 4.0.3) regarding the usb port For charging, once I plug it in it takes about 20 seconds before it ...
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183 views

Sony Xperia Tipo dual can't connect to PC

My Xperia Tipo Dual cannot connect to my PC, but it charges if I reboot or power off.
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457 views

Samsung Galaxy S with CyanogenMod: USB connection problems

I'm using a Samsung Galaxy S with cyanogenmod 10.2-2013. From last few days I am facing problems concerning the USB connection: When I connect usb from pc to my phone then it displays a pop up USB ...
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340 views

How do I get my Dell Venue 8 to show up in the adb devices list?

I got a Dell Venue 8 that I'm trying to connect to my Windows computer for debugging over adb, see the logs, etc. I had a nexus 7 and don;t have major issues with it, the Adb works fine with it. When ...
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246 views

Mount kindle paperwhite on nexus 5 using USB otg

As the title suggests, I am trying to mount my kindle paperwhite on my nexus 5 in USB OTG Host mode. I tried using Total Commander with USB stick plug in but got the following error Here is a ...
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1answer
159 views

samsung tablet GT- P3113 have OTG USB support?

Does the samsung tablet model # GT-P3113 have OTG USB support already built in or do I need to get the cable? Am thinking of getting a keyboard for my tablet.
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2answers
70 views

When selecting an USB extension cable to extend power cord, what are the relevant considerations?

I want to use USB extension cords to extend the USB power cords for my Android device. What are the factors that could affect normal charging behavior? (Consider "normal charging behavior" to be ...
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1answer
2k views

Sony Xperia S - suddenly can't connect to PC anymore (it was working before)

I see there are various threads for Galaxy S3 having this problem, but my phone is Sony Xperia S. My phone used to connect to PCs fine, but today when I tried connecting to my laptop it wouldn't ...
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200 views

Install usb_modeswitch

I'm working on a project which we use a Beaglebone Black that runs on Android. We need to use USB storages for data transfer. When I plug in a USB storage to Beaglebone it works well. But if I remove ...
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38 views

Galaxy SII i-9100 is not recognised by windows

I have a Samsung SII which I was attempting to flash from the sprint to the US Cellular Network. I was successful in doing so but got a black screen as no application were installed on the custom os. ...
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1answer
298 views

View local website on an Android device

Web developer here. I have two devices, a Samsung Galaxy S3 & a Samsung Note 10.1. I have developed a website which is running on PHP and I would like to view my website on these two devices ...
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131 views

USB connection issues with Nexus 4

I've installed some app from Google Play called "franco.Kernel updater", which had an option to enable "fast charging" (the app claims it provides a custom kernel that saves battery life). After I ...
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29 views

How to stop USB charging? [duplicate]

I'm a developer so i plug in my device for quite a long time, so i think it might affect my battery life. Is there any way to disable usb charging?
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0answers
34 views

Display screen on [desk|lap]top

Is it possible to display the screen of my Android on a regular computer in a similar fashion as an emulator would ­– but with an actual device being displayed rather than an emulation? I am looking ...
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0answers
202 views

Losing connection to powered USB hub

Background (not a development question): I'm developing an application which allows multiple android devices to interact. I am trying to tether the phones through a powered USB hub to run some ...
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1answer
62 views

How to select a power supply for a given Android device

There are a variety of products on the market which provide a power supply for Android devices through the ubiquitous MicroUSB 2 port. These include adaptors for 12V "cigarette lighter" car DC power ...
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2answers
2k views

Increasing my phone's charging rate while tethered

I have a Samsung Galaxy S3 and a laptop with 2 USB 3 ports. When tethered to my laptop (to provide Internet access via GSM/HSPA data), the phone charges very slowly, especially if I am using it for ...
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3answers
5k views

Open command prompt to access folders of a USB connected Android phone

If I connect a Phone with my Windows 7 machine via USB, it shows up in explorer with a name e.g. Nexus 5. How can I open a command prompt and change directory to this device. For lettered drives, I ...
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299 views

How do I stop “USB debugging” mode auto-enabling and default to just charging in android 4.2.2?

I have an HTC one, running Android 4.2.2 overlaid with HTC Sense 5. I am trying to plug it into my car stereo. All I want to do is play audio from spotify via my car stereo (which wasn't a problem ...
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399 views

Nexus 5 USB not working on LinuxMint

I tried to connect my Nexus 5 to a USB on a LinuxMint (OS) PC. At first it worked; it asked me to choose MTP or something else. Now, it's not giving me any feedback. I tried resetting - still ...
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1answer
139 views

Make a device appear in ADB

I have a Zen Touch 2, a Cyclone Voyager and a Samsung galaxy Fame, all configured for USB debugging. I also have a laptop running Ubuntu 12.04, the standard ADB obtained from apt-get, and Fastboot ...
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1answer
413 views

How can I tell if I have mini port or micro port on my Android tablet?

I was given an Android tablet. I want to hook up a keyboard and a mouse. By looking at it, how can I tell if it has a micro port or a mini port?
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2answers
2k views

Samsung Galaxy S4 “Prevention Information” USB OTG

I am trying to connect things to my S4 with a USB OTG cable. Standard devices such as mass storage, keyboard and mouse all work fine. My problem seems to be with vendor class devices. I connected an ...
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1answer
69 views

Linux connectivity

I am wondering how to best connect Android smartphones with Linux boxes. The best thing would be a program like Samsung's Kies, but Samsung seems to target Windows and Mac OS. Is there such an ...
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1answer
6k views

Phone isn't detected via USB but still charges

My Galaxy GT-S5360 is not being detected via USB when I connect it to my PC. It still charges however. It used to work and there was a prompt to connect it to the computer but now it just charges ...
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1answer
2k 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: ...
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1answer
3k views

HTC ONE - USB No longer recognized (but is charging)

I have a HTC ONE Google Edition on 4.3. I was in the middle of transferring some files to my phone over USB when Windows 8 locked up and stopped responding. Once I re-plugged my phone into the ...
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447 views

USB OTG not working properly in Sony Xperia P (Android 4.1.2)

I don't know if anyone has faced this kind of problem before. When I connect my flash drive (San Disk Cruzer 8GB) to my phone (Xperia P running Android 4.1.2) via OTG cable, most of the time it's not ...
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1answer
422 views

Android 4.1 tablet Model M736 not recognizing keyboard when connected through 4 port usb hub

I am having a Belkin 4 port USB hub and an Android 4.1 tablet Model M736 made by Kocaso. I am trying to connect USB keyboard and a USB WiFi dongle to the hub and not able to see either of the ...
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1answer
104 views

Enable USB Audio out on ASUS Slider SL101?

I have an ASUS slider SL101, and I want to know how I can enable USB audio out. Running Android 4.0.3. I broke the headphone port, so I need an alternative. Solutions greatly appreciated.
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1answer
111 views

Safely “unmounting” USB for Galaxy?

I wanted to delete all of the music (not pictures or apps) off my phone, and I read that you should just plug it into the computer and delete them from there. I plugged it in, and though my phone is ...
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5answers
5k views

How to access media files (photos and videos) on Samsung GT-I9082?

I have a Samsung GT-I9082 mobile phone (Android 4.1.2) with lots of videos and photos. I want to move them from the phone to my notebook running Windows 7. I connected it via USB and selected the MTP ...
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4answers
4k 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, ...
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144 views

Disable Android USB Auto-Detect

I have an android 4.2 embedded system. When I connect a USB cool-disk to my device's USB port, it recognizes the cool-disk and works just fine. But then the LED light on my connected cool-disk keeps ...
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1answer
571 views

Can't install USB driver for Zopo zp300+ on Win7 64

When I enabled USB debugging in settings, an unrecognized device appeared in device manager: H9000+ Then I followed this: ...
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2answers
389 views

adb shows devices as offline but system_profiler detects the devices fine

I have several devices (mix of tablets and phones) connected to my mac mini. Some of them are connected directly while some are connected by a good quality hub. $ system_profiler SPUSBDataType | ...
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1answer
147 views

Nexus 4 won't charge through laptop on low power

When my Nexus 4's battery is less than 5%, it won't charge while connected to my PC, but I can charge by plugging my Nexus 4 the wall adapter. I believe it is a hardware problem. Can you help me?
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769 views

how can i connect my samsung galaxy y s5360 via usb to pc by odin mode?

My Samsung galaxy y5360 operating system was gone.now i want to install Samsung by default software 2.3.6 Gingerbrade by Odin v1.85..but can't detect usb in my pc but also good in USB ...
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1answer
437 views

How to NOT charge when USB debugging? [duplicate]

I develop "on the road" using a laptop that's not connected to a power source, so when I debug on my android devices, they drain my laptop battery. Unfortunately, the laptop is a MacBook Air so spare ...
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1answer
10k views

I can't use my Galaxy S3 storage on my laptop

When I plug the USB on my galaxy s3 sprint it charges normally but no notifications appear about using the mass storage.. so how can I fix that and transfer the data from PC to my phone. NOTE: I cant ...
2
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1answer
3k views

Problem copying files from PC to Galaxy S3 (slow or frozen)

I have a lot of difficulty copying files to my Galaxy S3. My goal is to sync my music from MediaMonkey to my GS3. When I connect the phone, the computer sees it but the connection is incredibly slow! ...
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1answer
144 views

Why are these short USB cables not connecting my Android device?

I have a Galaxy S2 and a Linux Mint laptop. For a while I was using a long USB cable, maybe 1 metre in length, to connect my Android device to my laptop. It worked fine, but the extra length was ...
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196 views

Cannot connect Micromax A57 Ninja 3 with desktop PC

Device: Micromax A57 Ninja 3 Desktop PC OS: Windows 7 I cannot connect my smartphone with my desktop PC using a USB data cable. It keeps on showing device driver software not installed properly. How ...
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2answers
212 views

How can I pick the correct replacement usb charger for my phone?

My phone has a wall charger with outputs 5vdc and 850mA, which just broke (I saved the USB-microB cable which I've been using to charge from laptops). Unfortunately, OEM chargers of that particular ...
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0answers
1k views

Galaxy s2 is recognised by computer but doesn't charge

This is an odd one but today I noticed by S2 wasn't charging while plugged in. I tried connecting it to the computer and it came up as a media device as normal but still didn't charge, the battery ...
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2answers
688 views

Why does my Nexus 7 (1st gen) never let me copy my files to my PC?

I have a 1st gen Nexus 7 and I've been having trouble copying files to and from my Nexus 7. The first problem is that when I plug my N7 into my Windows 7 PC, using the factory cable, the device shows ...
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4answers
3k 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 ...
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1answer
655 views

printing solution on android which prints to a dotmatrix POS printer through **USB**

am newbie for android. I was looking for a printing solution on android which prints to a dotmatrix POS printer through USB. I'm able to print some non readable symbols from android tablet (through ...
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368 views

unable to charge Google Nexus I9250

I am unable to charge my phone most of the times. When I connect my phone to the USB cable which is in turn connected to the computer or charger, most of the times (about 90 percent), I am unable to ...
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1answer
4k 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 ...