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.

learn more… | top users | synonyms

1
vote
1answer
14k 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 ...
0
votes
0answers
15 views

Connect headset via micro USB input

Is there any possible way to run a headset that have micro USB output to connect to a Android LG phone by micro USB input?
0
votes
0answers
13 views

Android Open Accessory not detecting external Hardware [on hold]

I’m trying to set up an Android Open Accessory environment with no success. I’m using the PIC32MX250F128D controller on my board, I’ve implemented a Firmware that works in USB Host mode and handles ...
0
votes
2answers
1k views

Cannot access all my folders from my SDCard via USB

I plug in the USB cable to my computer. I click on Open Device to view files, I get to the root of my SDCard. The problem is that there is a directory missing. I can see it with my file manager on ...
7
votes
10answers
30k 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 ...
26
votes
8answers
28k 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.
0
votes
0answers
8 views

i still can't connect gt-s5360 Samsung phone to windows 7 PC

i still can't connect gt-s5360 Samsung phone to windows 7 PC but it charging i can't get "connect to pc" option and i can connect another Samsung phone to PC with same usb cable
1
vote
1answer
15k 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 ...
1
vote
1answer
1k views

samsung note 3 not getting recognized by my pc

when i plug my phone in to my PC which is having windows 7 OS only charging takes place.when i viewed my phone in device manager it says Samsung android files is not installed.but i installed those ...
1
vote
1answer
955 views

How to turn on USB connection to PC

I bought a KingSing K5 Android phone, and there doesn't seem to be an option for turning on USB connection to PC (to transfer files). I have the Google USB driver installed on the PC, but when I ...
1
vote
2answers
508 views

Does GT-I8262 Galaxy Core Support OTG?

I am using GT-I8262 (Galaxy Core) android 4.1 does it support OTG?
0
votes
1answer
8k views

How do I connect my Galaxy Y GT-S5360 via USB to my Mac?

I cannot connect my Galaxy Y phone to my MacBook for mass storage using a USB cable. I have installed Android File Transfer software but it does not detect my phone when I connect it. I believe I have ...
1
vote
1answer
37 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 ...
4
votes
1answer
1k views

USB connection broken, tried debugging

I have a Galaxy S2 that refuses to be picked up by any computer. I tried different operating systems, I tried a different USB cable, I tried debugging mode. The phone still charges fine through the ...
1
vote
1answer
1k 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 ...
1
vote
1answer
2k 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?
1
vote
0answers
66 views

Ultra slow speed while transfer files between PC and Samsung S5

I just got my new Samsung Galaxy S5, original ROM with version 4.4.2. It uses a new Toshiba 64GB speed U3 micro SD card. When I transfer my WhatsApp folder from PC to GS5, it took me more than 24 ...
1
vote
1answer
3k 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: ...
0
votes
2answers
3k 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 ...
0
votes
0answers
11 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
1answer
45 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 ...
1
vote
2answers
3k views

Samsung Galaxy S i897 not detected by PC

I have read every forum and every "help" site on Samsung's website and all over the internet. Nothing has worked. I bought an unlocked Galaxy S i897 on ebay, originally an AT&T phone but I'm using ...
1
vote
1answer
694 views

Nexus 7 (2012) no longer connecting via USB Mac OS X

I plugged my original Nexus 7 into my Mac earlier today to build an application onto it for testing. It failed, and then I realized that the tablet did not appear to actually be connected to the ...
4
votes
1answer
9k views

Non-root methods to mount USB storage devices

From my understanding, one can use StickMount to mount USB Sticks / Thumbdrive. However, StickMount require one to root phone. So, are there ways that I can mount a USB Sticks / Thumbdrive to a ...
2
votes
1answer
1k views

Xperia Arc S typing problem while connected to PC?

(First of all, sorry for any errors in my bad English.) 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 I'm trying to type ...
1
vote
1answer
2k views

I can't connect my Samsung Galaxy SL GT-I9003 via USB

I can't connect my Samsung Galaxy SL GT-I9003 via USB. When I try to connect via usb mode the phone doesn't respond, it only charges. I tried restarting and restoring my device, but it still won't ...
3
votes
2answers
122 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
23 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
votes
0answers
21 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 ...
3
votes
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 ...
0
votes
1answer
22 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
114 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
43 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 ...
0
votes
1answer
6k views

Samsung Galaxy Ace not detected AT ALL on Windows 8 Pro

Here is the exact same problem but with a different phone: Unable to connect Galaxy S3 to PC via USB This is not the standard device on recognized ordeal but a device is not even being detected at ...
0
votes
1answer
2k 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
2k views

tablet won't recognize usb keyboard

Azpen tablet android 4.2.2 won't recognize my usb keyboard. I downloaded external keyboard and a usb host controller and it doesn't work. I connected it to my pc and the keyboard works just fine. Any ...
0
votes
1answer
637 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: ...
1
vote
3answers
2k views

Sony Xperia U with my Windows XP laptop

I have Windows XP and every time I connect my Xperia U, the computer thinks it a camera. I think it's a driver problem so I found the drivers on the Sony Website, but I'm not sure how to install them? ...
0
votes
2answers
2k views

Samsung Galaxy Y GT-S5360 file transfer, USB not recognised. No USB options in Settings menu

I have a Samsung Galaxy Y GT-S5360 and I wish to transfer some audio files from it to my PC, running Windows 8. When I connect the phone to the computer with the USB cable, the phone beeps and begins ...
0
votes
2answers
909 views

Android tablet recognized as USB storage but not in Eclipse DDMS perspective

I'm creating an Android application for a Tablet PC (model: Q8H, probably this one), and now I'm trying to push an application to the device through the USB connection, with debug mode enabled, using ...
0
votes
1answer
3k views

How to see hidden files/folders on android internal storage over USB

I have a windows 7 pc and a Sony Experia Z android phone. I use a downloader app to download files to the phone, and then hook it up to USB to copy to the computer. The only problem is sometimes the ...
3
votes
6answers
14k views

How do I configure Android without using the touch screen?

I have an old Android phone around whose display broke after a fall. The touch screen has stopped working but I am reluctant to accept the device merely as a paper weight. I do have some use cases ...
11
votes
7answers
18k 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 ...
1
vote
1answer
1k views

Enabling Android as USB host on Galaxy Nexus or Nexus 10

I'm trying to develop applications that talk to USB devices, but nothing works. I installed a USB Host Diagnostics app, and it tells me that there's no OS support for device detection on the Galaxy ...
1
vote
1answer
10k views

How to use Generic USB Joysticks in Android via OTG?

I have a generic USB game controller (looks like a PS2 controller) and I just got my ordered USB OTG cable. So far keyboard and mouse work, however, when I insert the gamepad, I can't seem to make it ...
0
votes
0answers
11 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
vote
1answer
2k views

How do I force USB debugging?

I am trying to figure out why my apps don't work on tablets manufactured by the company Ainol. USB debugging is already turned on, and I took a look at all of the settings that I could find on it, ...
1
vote
1answer
7k views

Cannot connect my Moto X to Windows 7 PC

I cannot connect my Moto X to Windows 7, 32-bit PC via USB. After doing some research normal solutions people found were Enabling MTP in connection settings. Disabling USB debugging in Dev. ...
1
vote
1answer
5k 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 ...
1
vote
2answers
705 views

Android ADB drivers installation error

I am trying to install the usb adb drivers. I turned the debugging mode on in the settings of my phone, connected to the PC. I click update drivers and manually selected the folder where the drivers ...