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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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 ...
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 ...
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60 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 ...
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88 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 ...
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114 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 ...
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70 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 ...
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311 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 ...
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39 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 ...
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45 views

How can I recover data from my android tablet?

My brother had some important data on his android tablet. Unfortunately the touch screen on this android tablet (Azpen model A700) is no longer responding. I would like to put the data on my pc before ...
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20 views

Can Android TV Dongle be color corrected?

I need to display a slideshow of products that require accurate colors. The TV itself (Samsung 40") can display photos correctly when played via USB thumb drive plugged directly into TV. However when ...
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49 views

establishing USB connection takes > 3 minutes and times out, charging works

Some time ago I've been able to connect my "Smart"phone to my Ubuntu 14.04 PC as mass storage device with an micro USB cable hitting the ~"Activate USB storage" (translated) button in the notifiaction ...
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168 views

Can Asus Nexus 7 WiFi support a Huawei E3276 4G usb dongle SIM holder to achieve telephone functionality?

I could connect (with an usb adapter) a Huawei usb dongle that I normally use with my laptop computer and contains a SIM card for mobile internet and phone functions like SMS and phonecalls, but it ...
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0answers
78 views

Android usb otg high current negotiation though hub?

I have been tinkering with a android usb-otg project and could use some assistance. I have been able to invoke usb otg power delivery in my host device (galaxy s3) to an peripheral through a makeshift ...
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0answers
38 views

Why does the screen flicker when connecting to a third party wall mounted USB charger

After going through this post(Why does my phone have erroneous input when connected to a non-OEM power source?) I am asking this question the above post does not solve my question up to the mark. I ...
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367 views

How to root SNT-210, an Android 4.4.2 chinese CarDVD (no standard methods work)?

The device: Model SNT-210 Android 4.4.2-0140516-sntb-HOMEMADE Kernel 3.0101-gdaab9de-dirty QDroid@DevServer #9 Build omnisntb-eng 4.4.2 KOT49H eng.QDroid.20140516.133512 test-keys I found out ...
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0answers
128 views

Geeksphone Revolution device only working with adb when charging

I have: Geeksphone Revolution (Installed android 4.2 yesterday) adb 4.4.2_r2-1 Arch Linux (Updated packages) adb/Configuring USB Access With Firefox OS everything worked fine. Now I can only use ...
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9 views

“In the setting will not be less than 2mb” Trying to enable adb debug

So, when I try to go to Settings > Applications > Development it simply states In the setting will not be less than 2MB. I have a stock Alcatel One Touch Revolve. Literally just got it. ...
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0answers
171 views

Restoring USB Audio after accidental /Music deletion on Nexus 4

I used to be able to have my Nexus 4 play audio via USB to my basic Kenwood car stereo. The controls weren't great, as the device isn't specifically Android-compatible: next folder, and next/previous ...
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0answers
285 views

samsung galaxy tab 3 can not connect to pc via usb

I am trying to connect my galaxy tab 3 to my pc via usb, however my pc does not recognise it and nothing is shown on my computer on the usb drive. However when I connect it to the pc I get the message ...
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0answers
64 views

Where has /sys/bus/usb/ gone in Android JB4.2?

I'm running a rooted stock Samsung Galaxy S4-mini (GT-I9195) with 4.2.2 SELinux in Enforcing mode. When issuing lsusb, I get the following result: u0_a202@MSM8960:/ # lsusb lsusb: ...
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543 views

Use phone as USB Bluetooth adapter

I know this question has been asked before, but I've never found a definitive answer. I have a Bluetooth keyboard that I would like to use with my computer. My PC is fairly old, which means it doesn't ...
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22 views

Is there a way to have your phone light stay when it is charging only from a laptop?

When I have the my device plugged into my laptop while working I want the light to stay on, but I want my light to turn off when I'm going to sleep when it is charging. I know I can have the light on ...
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46 views

How can I make my Android phone request (negotiate for) more charge from (with) the host PC?

Hello there is a wonderful Q&A here about detecting how much charge your phone is drawing from the computer host: How do you check how much power a USB port can deliver? In my particular case, my ...
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123 views

“Windows was unable to install your Nexus 7.” I'm having troubles getting the drivers to work in a way that allows me to run to device

My goal: I want to be able to run to device from an IDE, like eclipse/intellij. My problem: I cannot get the usb drivers to install. I have tried many guides, but they all fail at the step where I ...
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148 views

what is the requirements to charge android tab via USB cable?

I wanna charge my android tab ( not a prestigious brand ) via a USB cable connected with my laptop. I tried but it wont charge, Is there any requirements to do that?
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124 views

How to traverse camera from device via adb to my Ubuntu?

What is the best way to traverse web camera? E.g. there is great number of web servers for android with video translations. How to get access to its via adb? Or wi-fi would be a easiest way?
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34 views

correct usb cable for Asus OTG usb adapter connected to transformer f300

I purchased the ASUS USB adapter that goes into the charging port. I would like to attach to my Tablet via a USB cable for the adapter appears to have the USB port as my laptop. Would anyone know of ...
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91 views

why does my power drain when i use usb otg ethernet on my galaxy nexus?

i've noticed a massive power drain using usb otg ethernet on a galaxy nexus (running cyanogenmod 11), compared to plain wifi. was wondering if anyone knew why ? and how i might resolve this ...
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306 views

How to find and access USB drive in android x86?

I've installed Android x86 4.3 version on my Asus laptop but the WiFi feature is not working so I can't download and install apps I want. Then I thought about installing apk from a USB flash drive ...
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3k views

Mount USB OTG to specific destination folder

I've got a Moto G with 4.4.2 and, as stock OTG functionality is broken in the latest android version, I need a way to mount my mini USB card reader (meenova) to /sdcard folder. From what I've found ...
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159 views

LuxePad A120 Keyboard doest not work on QM-P1000s

My tablet QM-P1000s does not recognize the Genius LuxePad A120 wired keyboard. Please help! Thanks & Regards Shmuel Naarai
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349 views

Does Android Jelly Bean 4.1 Support Microphone Audio Input from mini USB Headset?

Samsung Galaxy Tab 3 7.0 (WiFi) 16Gb device running Android Jelly Bean 4.1 This tablet has a 3.5mm jack for stereo audio out. No microphone jack. At least this is the way I'm reading the specs: ...
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0answers
252 views

Control Android device when USB cable plugged in from PC

I'm looking for an app that is able to control a Galaxy S4 from my PC when the USB cable is plugged in please? I have used TeamViewer and although that is great, I was hoping there might be a more ...
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0answers
1k views

USB driver for Samsung Galaxy Gio S5660

I have some trouble, When I try to run the android-project(Eclipse IDE) on a real device Android-Manager does not see my phone connected via USB. I don't know how to install usb driver. OS: Linux Mint ...
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184 views

Can't tether my android galaxy note 2 with usb to my ubuntu 12.04

I turn tethering on and the wired connection shows up in ubuntu. I can connect to it but Internet doesn't work there like it does on my phone. Can't load pages or ping google. When I look at ...
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230 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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470 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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188 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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258 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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0answers
162 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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406 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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3k views

Connecting to COM serial port through USB with Putty

I am trying to use my android phone connected to my PC as an SMS gateway by executing AT commands. I have attached the phone to the PC (Windows 7), and device manager shows that it is in COM4 port. I ...
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101 views

Why the battery drain while plugged in doing nothing? (omap2_mcspi)

I usually leave my phone plugged in to the wall charger at night. This morning, to my surprise, the battery was not charged. According to the System Panel app, System Processes were taking almost ...
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211 views

How can I fix phone corruption when using USB mass storage mode?

It used to happen in stock ICS and remains in CyanogenMod 9. Whenever I connect my phone to computer through USB using mass storage mode (MSC), my phone gets crazy. In ICS, I remember it used to mess ...
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346 views

I would like to use an android phone as a blutooth to usb passthrough

I would like to be able to connect to a system via bluetooth that does not have bluetooth capability. I know that they make usb to bluetooth adapter dongles. That solution doesn't work for me ...
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2k views

Connecting USB Gamepad to Samsung Galaxy Tab 2 7.0 P3100

I bought an adapter to use an USB gamepad with my Samsung Galaxy Tab 2 7.0 P3100 but I can't make it work. At first I though that I was plug and play and that's it. My tab supports USB OTG because I ...
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1k views

how can i enable usb otg feature on my android (1GhzDual core mtk 6577)

i have a 1Ghz dual core android with 512mb ram. The original model of this phone is called Gionee GN700W, i have attached the debug info of my phone. kindly guide me to enable this usb otg feature in ...
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0answers
543 views

Transfer a large file from PC to smartphone

I have a Samsung Galaxy S2, and a PC with Windows XP (I do not have WiFi). I want to transfer a 2.1 GB file from the computer to the phone. If I transfer the file as usual, I have the following error: ...
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528 views

Permission denied when try to write to USB pendrive

I am trying to write a file to my pendrive from my android tablet, but it keeps saying permission denied. Should it not be me who determines the permissions?
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1k views

USB host port via Android accessory protocol adapter

Is it possible for an Android 4 phone with only a standard micro-USB port (not OTG), to be provided with a USB host port through an adapter using the Android accessory protocol? Do such adapters ...