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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1
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1answer
108 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
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1answer
3k views

I cannot charge my tablet

I only have a USB cable to charge my tablet and I plugged it into my laptop to charge and a little red X shows up on the battery thing. How can I charge my tablet?
0
votes
0answers
12 views

Connect to USB printer and charge tablet at same time [duplicate]

To connect a USB printer to my Android tablet I'd use a cable like one of the two shown below But this means that my only USB port on the tablet is gone and the device won't charge. What's the ...
0
votes
0answers
261 views

External keyboard, missing physical keyboard section in settings

I have just bought usb keyboard for my galaxy tab 3 8.0 with android 4.4.2 Keyboard is working well, device automatically detects it and i can type quite all right with it, however for my purposes I ...
3
votes
2answers
228 views

Most efficient method of tethering?

I'm aware of this other quesion, but it doesn't answer with regards to usb-tethering: Which method of wireless tether uses the least amount of power? Bluetooth or Wifi? I'm going to use my android ...
0
votes
1answer
29 views

Can I perform phone tasks through a Windows 7 PC directly?

As an developer and QA tester, spending hours on my Xperia Z1 Compact isn't too cosy. Therefore, messing around with android emulation software like BlueStacks, I run into compatibility problems, ...
0
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0answers
34 views

Recover files programs dont recognise note 2

So... I was very, very proud of my collection of almost 800 songs on my phone, and yesterday I deleted 700 by accident. I had just inserted my new SD and had transfered all my songs to the SD, but as ...
1
vote
1answer
906 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 ...
1
vote
2answers
454 views

Android - 2-ways USB sync for multiple calendars from outlook 2013 to phone

I use an iPhone since 5 years, and I'd like to switch to an Android phone, under KitKat and probably soon Lollipop. I've checked all my needs and there is still one for wich I didn't find how to ...
0
votes
1answer
88 views

Need to reboot Android to see new files

After recording with Field Recorder, I connect my Lenovo S6000L via USB to my PC. However, the newly recorded audio files in WAV format are not visible until I reboot the tablet. Android version is ...
1
vote
1answer
3k views

Unable to connect Galaxy Note3 N9005 to windows 8

I'm having trouble connecting my N9005 to my pc using Windows8. The problem is it does not recognize the phone's storage and is not able to mount it. I've tried installing Samsung Universal USB ...
0
votes
1answer
749 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: ...
0
votes
0answers
23 views

Uncommon Android brand shows HTC with lsusb

I have an Android phone of an uncommon brand. When I connect it to my PC (using Ubuntu 14.04) and use the lsusb command, it shows HTC as the vendor. Why does this happen?
1
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0answers
52 views

usb storage usaged instead of sd card

I have a samsung galaxy exhibit 2 how do I use my SD card instead of using my USB storage which is almost full and my sd card is empty
0
votes
1answer
301 views

MTP usb driver failed

I upgraded my Samsung Galaxy Ace 2 GT-i8160. Everything went smoothly during the upgrade, but when it's almost finished, it got disconnected from the PC for no reason. When it reconnected again, it ...
0
votes
1answer
30 views

How do I download videos from my phone (or card) to my PC?

How do I download videos from my phone (or card) to my PC? Once I connect the phone and PC only my photos are visible on the PC screen. I can only see the videos on my phone screen.
1
vote
0answers
62 views

Phone in always on usb not shown in my computer

When I plug my phone (Galaxy S2, I9100) in an ordinary usb port on a HP Folio laptop it appears in windows explorer and I can browse phone content. But when I plug it in an always on usb the phone ...
0
votes
1answer
740 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 ...
0
votes
1answer
79 views

Can I use an Adafruit Trinket as a simple Android peripheral?

I want to control the standby state of an LCD panel through an android media PC. I'm thinking of using a Trinket as a cheap android USB peripheral. Is this possible? I'm new to Android and Adafruit ...
1
vote
1answer
162 views

Why can't I upload binaries to Android Sony Xperia Z?

I recently upgraded my Android to 4.4.4 via 4.3.? When I was on 4.2.* I had no problem either uploading apks and pictures via usb nor via adb install / push. Symptoms below, any help appreciated. I'd ...
0
votes
2answers
669 views

PIM alternative to Outlook that syncs through USB?

I find Outlook 2007 slow and bloated. Before I check Outlook 2010 to see if it's any better, I was curious to know if there's a PIM (Personal Information Manager) that can sync with Android ...
0
votes
0answers
138 views

Control Mobile via pc using USB (No URL Control)

I want to control the mobile via pc using usb cable, I found out lot many solution like Droid@Screen & AndroidScreenMonitor etc., but this is an one way communication am not able to control from ...
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
5k 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! ...
0
votes
0answers
101 views

Problem with connecting my Sony Xperia Miro to computer

When I connect my Sony Xperia Miro to my computer, regular icon 'Sony xperia miro' pops up on the toolbar but when I want to browse files or import pictures and videos - when I click on it, it says 0 ...
1
vote
0answers
178 views

Unable to copy anything to internal storage

my phone is a Xperia Z1 Compact, with Android version 4.4.4 and no SD card in. It's supposed to have around 1 Gb of free storage left, but when i connect it via USB to my pc i cannot copy any file to ...
1
vote
3answers
6k 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 ...
1
vote
2answers
21k views

“USB Debugging” mode not visible, Samsung Galaxy Note II

resolved (see below) The only options I see are "Media device (MTP)" and "Camera (PTP)", I can browse the phone files and download images from the camera directory, so the USB plug and cable are ...
1
vote
1answer
5k 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 ...
0
votes
0answers
94 views

A10 chinese tablet- CloudNine Neuropad2

My tablet would not boot up after leaving it trying for ages. Tried to get into the system to do a factory reset but when I did get into a menu with about 15 options they were all in Chinese - took a ...
0
votes
0answers
104 views

Android phone USB connection

I Have just had a Kenwood DDX4250 head unit fitted by a recommendation. It will not recognize my Samsung Galaxy S3 connected by the USB. It will connect by Bluetooth. I was told I would be able to run ...
2
votes
1answer
6k 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: ...
0
votes
0answers
145 views

Is it possible to emulate a small separate mass storage device as a USB guest?

I am working with a set of embedded devices, that take configuration from a plugged-in USB flash drive over mass storage, and I have no way of modifying this behavior. Upon their boot, they will read ...
0
votes
1answer
250 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 ...
0
votes
1answer
211 views

Root Samsung Galaxy S3 with broken USB port

I recently purchased a Sprint Galaxy s3 on ebay with a broken charge port, and have revived it with a wireless charging reciever and charger. I want to root it but there is no way to connect it to my ...
3
votes
0answers
963 views

How to mount two USB drives from same device on Android?

I'm wondering how I can mount two USB drives from a USB device on Android. I have a Garmin Oregon GPS device with a USB port. When I connect it to a Windows PC, I get two drives: one for the internal ...
0
votes
1answer
711 views

Unable to charge my device

I connected my device to the laptop through the U.S.B cable and tried to charge but it's not charging the device.Although it is connecting the device normally for data transfer but it's not charging ...
9
votes
8answers
24k views

ADB constantly disconnects, shows device offline

I'm not 100% sure if this should go here or the main Stack Overflow, but I decided to go with this area in hope I might catch someone with more specific experience with a similar problem. I have a ...
0
votes
0answers
5 views

How to make an Android boot USB stick which can let phone boot from OTG connected USB? [duplicate]

I want to create an Android boot USB stick which can let user boot the Android system inside USB stick for a phone which connected with OTG and USB.
17
votes
5answers
17k 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 ...
0
votes
0answers
110 views

Android can't see usb connection

When I connect my device (Nexus 7 2013) to PC or charger by USB, android can't see this connection. It shows that baterry don't charges, but it charges. When tablet is off and I connect it to charger ...
0
votes
1answer
7k views

Does the Grand Neo GT i9060 have USB OTG? [duplicate]

Does the Samsung Galaxy Grand Neo GT-i9060 have USB OTG (usb-on-the-go)? Can I instantly watch movies directly from OTG without copying files into my phone? If not, is there any other way to get OTG ...
0
votes
1answer
144 views

How can I determine USB host controller type

I'm trying to determine wheter my tablets have: Open Host Controller Interface (OHCI) Universal Host Controller Interface (UHCI) Ehanced Host Controller Interface (EHCI) Is there any tool that ...
0
votes
0answers
1k views

micro usb flash drive not detected

My Samsung Galaxy Mega 5.8 (android 4.2.2) is not detecting SanDisk 16 gb pen drive (which has a micro usb socket on one side & normal usb socket on the other side). I have tried various usb ...
2
votes
1answer
739 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?
0
votes
0answers
99 views

Where does Android 4.4+ temporarily copy video files to when playing them over usb in windows directly?

I was trying to play some big video files (~3gb) on my device in windows while my nexus 5 was connected over usb. (usb debugging disabled) The video didn't play right away however, as it first had to ...
1
vote
1answer
11k views

Qualcomm HSUSB device driver issue

I have a Qualcomm HS-USB device on which I want to test my developed application. The problem I am facing is that the device drivers are not getting installed. I have tried the following steps: ...
7
votes
3answers
1k views

Can I recharge my Android smartphone at any USB port?

My girlfirend has just installed a new CD Player on her car that comes with a USB port to connect external devices(Flash card, external hard drive, etc). My question is based due the fact that I told ...
3
votes
4answers
2k views

How to run an SFTP server on my CM9 RC2 Galaxy Nexus

I want to run an SFTP server on my GSM Galaxy Nexus (Cyanogenmod 9 RC2). I plan to connect to the Galaxy Nexus from a Kubuntu 12.04 PC via USB cable (not wireless). It is my understanding that ...
1
vote
0answers
236 views

USB connection unreliable while tethering

Device: Galaxy Nexus Android: CyangenMod 11.0 (Android 4.4.4) The IT department of my company doesn't support access of Mac devices to its network, but it does for Android devices. So I would like to ...