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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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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15 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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1answer
27 views

Does the Grand Neo GT i9060 have USB OTG?

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 ...
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12 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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10 views

phone screen runner program [duplicate]

The other day I broke my screen and digitizer on my phone, now its completely blacked out and won't respond to any touch at all, and there is stuff on my phone that i need to get and need to have the ...
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1answer
18 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 ...
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21 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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14 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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1answer
42 views

Can't connect Samsung Note 3 to a Windows 7 VM in VirtualBox

I'm trying to connect my Android to my Linux Laptop, I use VirtualBox and in it a Windows 7 Ultimate 64 bit virtual machine. I've been able to connect in the past but it's not working anymore. I have ...
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1answer
14 views

How come moving files on my phone when it's connected to my computer actually does a copy instead?

So, I copied a file from my desktop to the phone's microSD card. Then I realized that I'd like the file to be in a subdirectory on the card, so I initiated a move. Shouldn't take long at all, as it's ...
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1answer
21 views

Can I use USB gamepad without any setup?

I connected USB gamepad to my tablet. I noticed that sowtware like Tincore KeyMapper requires root access to connect to this gamepad. This type of software recognizes all buttons, but ask me to map ...
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21 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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11 views

How to disable phone from charging without rooting [duplicate]

I have recently bought a galaxy grand 2 and I want to disable it from charging when it connects from usb. I want to have option whether to allow charge or not.
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2answers
37 views

Can I attach a USB mic to any Android phone?

Can I attach a USB mic to any Android phone? Which one? I am asking since I need to be able to shoot video with sound clear of noise. Hence, I need the phone to shoot good video quality as ...
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66 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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58 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 ...
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1answer
46 views

Using IP to ping a real Android device that is plugged by USB from computer

I plugged my Android tablet to the computer with USB cable and looked at the IP of Android device and tried something like ping 160.xxx.yyy.zzz on the computer. There is no response. I wonder, does ...
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3answers
84 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 ...
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2answers
18 views

Smartphone on usb rings on computer [duplicate]

I got a smartphone on android, and when it is attached trough USB to my computer (windows or linux), I'd like to have it ring or do notifications in the headphones of the computer. Is there a way to ...
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38 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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1answer
231 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 ...
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1answer
45 views

Why are USB cables of two different OEM's different

The USB has various purposes for data transfer, movement of input and output signals for hardware like connecting an Android device to another Display screen (USB on the go), charging the device ...
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0answers
15 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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115 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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2answers
27 views

Charging from different USB cable

I have USB cable meant for Sony Xperia, the USB cable can be detached. Will using this USB cable to charge other phones like Nexus cause any issue?. I am not using the entire charger, I am just using ...
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3answers
53 views

Are 'Apple/Android Specific' USB charging ports really different?

I have a portable battery with two USB ports. One is labelled Android and one is labelled Apple. Apparently each has charging circuits optimized for that particular type of device. This sounds ...
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57 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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1answer
27 views

Micro Usb to HDMI without MHL

I've got a cable without MHL adapter. I just want to know How can I connect it with TV. Of course I've tried much but it was incompatible. Is there any way to make it compatible. I've Samsung Galaxy ...
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0answers
8 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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1answer
31 views

Android webserver via usb not wifi

I was wondering is there a way to run an android websever via usb? I can find lots of wifi version of this but I would like to use this locally only while the pc is connected to the wifi and have it ...
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1answer
27 views

Maximum number of devices an Android can handle from USB hub

We are planning to work with multiple USB devices from a tablet. For this implementation, we are planning to connect a HUB ...
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69 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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1answer
35 views

What is the diff between the Media transfer protocal and Picture Transfer Protocol

After connecting my device for data transfer the device asks for mode of USB transfer MTP or PTP. I googled it and found that MTP(Media transfer protocal ) and PTP(Picture Transfer Protocol) are some ...
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1answer
122 views

Is it possible to connect Nexus 4 to Windows Server 2012 R2?

I'm trying to connect Nexus 4 (Android 4.4.4) to Windows Server 2012 R2 DataCenter for purpose of debugging from Xamarin Studio. What I did: Activated Developer Settings Checked USB Debugging ...
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134 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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26 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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1answer
57 views

Does Android support the external USB devices?

Does Android support the external USB devices like PC keyboard, joystick, camera or other devices that can be connected to the PC? If so, then do I need some additional software, or is it enough to ...
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6 views

Reverse Tethering [duplicate]

I want to know how to perform Reverse Tethering for non root device. I have Canvas A110 to use usb to connect directly with My pc please help me
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2answers
47 views

How do you eject the samsung device when the device is currently being used for testing using the Android-ADT

I connected my Samsung Device(Android 4.1.2 ) for testing my app through the Android-ADT(Eclipse). After closing the workspace when I tried to eject the device through Eject I get a dialog box ...
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233 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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0answers
19 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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24 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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1answer
1k views

Samsung Galaxy Tab GT-P1000 USB Cable Problems ; Charging Problems

Galaxy Tab is an old tablet.Yesterday,I can "resurrect" it from the dead,and I buy a fake USB cable to charge and exchange data. Since I have a worser phone than the Galaxy Tab,I really want to play ...
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1answer
93 views

unable to connect i9100 in cwm recovery mode

phone; i9100 maguro galaxy nexus. From CM, I got a message stating a new update was available: the CM11. I accepted. The update failed to install. Now on reboot the phone enters CWM Recovery mode. BUT ...
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1answer
59 views

USB File Transfer difficult on Cy10.2 ATT GS2 Skyrocket

Okay so I have a Samsung Galaxy S2 Skyrocket (ATT) and I just upgraded the firmware from the the stock ICS to Cyanogenmod 10.2-20131214-SNAPSHOT-InstallerWPPQ50S-skyrocket. When I try to transfer ...
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2answers
410 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 ...
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1answer
621 views

Disabling MTP/PTP/all USB stuff except charging

Is there a way to disable all USB functionality except for charging? I don't really use MTP or PTP and would like to disable it if possible.
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15 views

Is it possible to mock a usb device?

I want to mock a usb device which gets attached to ttyUSB0. I need it for debug purposes. It needs to be done without actually connecting a device. Is it possible? Maybe there is an APP out there ...
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1answer
801 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 ...
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1answer
50 views

Subfolders and files ignored when copying from sdcard to PC through USB

So I have a music folder that I'm trying to copy from my sdcard onto my PC using Windows Explorer. For some reason, when I attempt to do this, it 'completes' really quickly and I only end up with a ...