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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17 views

How to know which Dock Connector my Galaxy S2 has?

There are several revisions for Dock Connects/Charging Ports per model. I would like to know if there is a way to find which revision is installed on my phone without opening the device. If that's ...
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30 views

Can't adjust volume on USB Headset

I've recently purchased a Male Micro-USB to Female USB adapter (OTG). Now, I've connected my USB Headphones (w/ Microphone) but I can't adjust the volume. When I try, It either mutes it completely, ...
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32 views

Transferring pictures from Samsung with broken screen

A friend's Samsung Galaxy S4 has a broken screen, but otherwise seems to be recognized by a computer when plugged in via the USB cord. He would like to retrieve some pictures from it, but I believe ...
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151 views

Xiaomi 16000mAH Power Bank Needs Charge-only USB Cable to Work with Z3

The Xiaomi 16000mAH power bank, using its original USB cable, didn't work on my Z3. Though, to my surprise, it worked on other smartphones (have tried samsung and lenovo). So I tried my friend's power ...
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41 views

using usb connection instead of wifi

I own an Allview P5 Quad (Romanian smartphone brand) running Android 4.2.1 and a laptop running Linux Mint. For some time I've been using apps which connect my laptop to my phone, such as Remote ...
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75 views

Can I connect my android phone to the LAN, via an ethernet cable?

I want to connect my Galaxy S2 HD LTE SHV-120S Android version 4.0 (rooted) to the internet via a LAN connection. I am sensitive to wifi and network radiation, hence want to make a line connection and ...
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50 views

how can I usb tether between two android phones

I want to access the internet connection of my first android phone with my second android phone, via usb. I am sensitive to wifi/network radiation emissions, so I want to connect the first phone via ...
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31 views

I want to use my android phone as a usb scanner for my pc

Hi I have a program on my PC that uses a USB scanner i want to use my android phone instead of the USB scanner, is there an app for this?
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139 views

Cannot Connect to PC. No USB Connection Notification Bar on Device (Samsung Galaxy Tab S)

I updated my Firmware to 4.4.2 using Samsung Kies, and had just notice it recently that I cant connect my tab to PC again. Usually, the there will be a notification bar on the device (like to choose ...
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226 views

USB Debugging not working on CyanogenMod 12

I have the very latest nightly build of CyanogenMod 12 (March 21st, 2015) installed on a Nexus 4. For about a month I haven't been able to connect my phone to my computer. I have the latest USB/ADB ...
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80 views

Mounting USB in android 4.1.2

I am trying to mount USB pen drive in my old Xperia phone running andorid 4.1.2 When I connect OTG device to my phone I get an USB power consumption error. After little search I found a command to ...
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100 views

wifi tethering, but another way

I have PC with LAN connection to internet. Is it possible to connect my Samsung Note 3 via USB to PC and share internet to another phone via WIfI? I want to create a WIFI hotspot for another phone. ...
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27 views

Trying to get my HTC to connect to my computer, but it keeps saying I removed my microSD card

Just as the title says, trying to connect my HTC to my computer, and whenever I restart my phone, it reads my MicroSD card just fine. I go into my settings, set my Connect to PC as Disk Drive, and ...
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81 views

Nexus 5 isn't recognized by USB

I just tried to connect my Nexus 5 to my Computer via USB but it does not show up anywhere. There is no sound of a device connecting and the Device Manager doesn't list a new device when I plug it in. ...
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174 views

does not detect external usb drive to huawei s7-721u

I connected a USB driver and a USB external keyboard to my huawei s7-721u tablet. But it is not recognised.
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25 views

Create .img of current of android setup

I have an android setup (certain apps, wifi settings, backgrounds, etc) that I'd like to get on 20 other devices. I have physical and root access to all devices. I have been using a USB burner tool ...
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69 views

How to make sweep action with external mouse (broken screen)

Maybe a silly question, I have a Asus smart pad (Jelly Bean) with broken touchscreen. I connected an external USB mouse and keyboard to control the pad, but I cannot open the default lock app, i.e. ...
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422 views

How to connect to ADB without USB Debugging enabled?

I downloaded a game on my friend's phone and it crashed. I searched Google and when I turned it on the phone got stuck in a boot loop. I asked someone at my college and he said to come on here and ask ...
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28 views

my samsung galaxy ace is not opening after update

i try to install a new android version to my phone but my pc shut down and update interrupted ,now i can't open my phone? Can you help me what to do to install again android os from the begin ?
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240 views

mtp usage: how to mount and transfer files to and from a Samsung: Galaxy model Android phone

how do I use mtpfs to read/write to a USB connected Android phone, connected as a mass storage device: thufir@dur:~$ thufir@dur:~$ mkdir phone thufir@dur:~$ thufir@dur:~$ sudo mtpfs -o allow_other ...
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48 views

Is it possible to make an Android device appear and act as USB POST debugging dongle?

When a PC or laptop doesn't boot properly, you can listen to beep codes. Sometimes these aren't accurate or don't work, so you can use a POST card to see much more specific number instead. However ...
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83 views

Loose connection USB Debugging

Somehow my Nexus 5 has a loose USB-Debugging connection recently... I recently upgraded to Android 5.0.1 I had this once before, but than it could be solved by simply using a different USB cable. If ...
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87 views

USB Host Support

I have a HCL ME U1 tablet. This has a built in USB Type A socket as well as USB Mini Type B socket. I have tested the Type A socket with a standard mouse and it works well. I have also tested it with ...
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54 views

Can an Android device be used as a remote framebuffer?

I have an old HD2 a friend donated to me, which I recently flashed to a custom 4.4 (rooted) build. Since the device is old, not used for cell service, I was wondering if it could be used as a "remote ...
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173 views

Android File Transfer not working

I have a Samsung Galaxy SIII. I can connect it to my computer via a USB cable. Android File Transfer then opens. It lets me transfer files onto the device, but drag-and-dropping files from the device ...
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160 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?
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264 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 ...
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35 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 ...
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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?
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139 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 ...
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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 ...
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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 ...
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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 ...
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147 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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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 ...
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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 ...
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102 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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93 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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33 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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59 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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224 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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146 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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114 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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596 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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235 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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12 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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212 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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428 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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98 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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599 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 ...