This is for questions regarding connecting an Android device to a computer's USB interface. USB (Universal Serial Bus) is an interface to communicate between the mobile device and the computer.

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-2
votes
0answers
10 views

UVC compliant USB camera interface with non v4L2 compliant Android devices

AFAIK, If I want to connect An UVC compliant USB webcamera to android device there must be UVC i.e USB Video Class driver and V4L2(Video for Linux2) is needed, If there is UVC but not V4L2 in kernel ...
-1
votes
0answers
25 views

No debug icon on Nexus 5 with Android 6.0.1 Marshmallow

When I plug the USB cable, the debug icon doesn't show up. adb devices doesn't see it. I am already in developer mode. Yesterday it showed up after insert sim card and reboot but this morning ...
-1
votes
1answer
27 views

iFont app caused a bootloop and I cannot see the data despite connecting to a computer

I have a rooted phone on which I installed the iFont app I selected a font and downloaded it. When I installed it, it asked me to restart the phone. I rebooted it and then my phone keeps restarting. ...
0
votes
1answer
5 views

How can I connect my Logitech “unifying” controller, to my Android device over Bluetooth?

Logitech's Unifying standard seems very similar to Bluetooth(same 5-device limit, similar range, similar specs from what I've read on the Internet). I'm trying to connect a Logitech F710 wireless ...
0
votes
0answers
24 views

OTG-USB: Can a device be charged and offer a USB and an ethernet conection at the same time?

I have a device that supports OTG over it's micro usb port. I'm looking for a device that connects to that micro usb port and offers a female micro usb port for charging, a female USB port for flash ...
0
votes
0answers
21 views

Can I use a USB Wifi Dongle in my Smartphone?

I would like to know if it's possible to use a USB Wifi dongle(like this one: Usb wifi dongle) could be put inside my smartphone and increasing it's wifi strength. Possible via a usb to phone adapter ...
0
votes
0answers
44 views

How to dynamically switch control of USB powered devices?

I have a remote controller that acts as a usb host and when connected to an Android device, multiple apps that can control this device are displayed for the user to select through the app selection ...
0
votes
0answers
38 views

I cant find my files on sdcard!

So, i want to transfer pics from my phone to pc(i have sony xperia e3), but when i connect it via usb and go in sd card i cant find all of them and when i go to file manager on my phone and go to ...
-1
votes
0answers
13 views

how do i Reinstall stack Rom of lenovo ideatab s600h

My Tablet was reset ed by a friend i don't know how, but now it wont show the navigation keys and/or notification panels. I ran a factory reset it is stuck on the "Now install package"screen. when i ...
4
votes
0answers
25 views

Windows claims that my device has malfunctioned?

The issue (summarized) My phone will not be recognized by ANY computer, regardless of OS, with or without drivers. Kies is not installed, nor Android Transfer (in the case of my iMac), and I am at my ...
1
vote
0answers
56 views

Make android phone as driver-free USB Webcam

I have a video call device which only works with driver-free usb webcams attached. Since I dont have a USB webcam at hand, so I wonder if I can make Android phone (rooted) emulated as a driver-free ...
0
votes
0answers
15 views

Nexus 7 (2012) only recognized when in fastboot mode

I have a problem. My Nexus 7 (2012) device is not recognized by any computer, except when it is on fastboot mode (volume down + power). I checked with both a notebook where Windows 8.1 is installed, ...
3
votes
1answer
364 views

USB charger produces high-pitched noise while charge is at 100%

I recently bought the European version of the PowerCube, which combines three power outlets with two USB chargers. I noticed that as soon as my smartphone charge is at 100%, it starts producing a ...
2
votes
0answers
43 views

Phone doesn't charge via USB while on

I'm trying to figure out a charging issue with my Nexus 6 (Marshmallow 6.0.1). While I'm in Windows (10) and the phone is on, it won't charge over USB. If I turn off the phone it charges via USB. If ...
-1
votes
2answers
46 views

Cannot connect Android device via USB

Whenever I connect my note 3 sm-n900 to my laptop, it doesn't connect and also the usb icon doesn't appear on my notification panel. My Android version is 5.0
0
votes
0answers
41 views

can't connect to my lan with my ethernet cable?

hi everybody this is my first post and i hope i might answer here my phone model is huawei y625 (rooted) and I bought this adapter and when i connect this adapter to my phone is gives me nothing so ...
4
votes
3answers
213 views

What is the standard voltage and current levels for an android battery?

I am using Micromax Canvas Nitro A310; recently, I bought a new USB cable and it seems its not doing the job as required. My phone is not getting charged as it was before. Either it takes too long ...
0
votes
0answers
31 views

LinuxMint not detecting Nexus 5

I'm trying to test a custom ROM for my Nexus 5 however I can't get started because my computer can't detect my phone. I've switched on USB debugging and downloaded adb/fastboot however my adb devices ...
1
vote
0answers
28 views

Apple Mac will not see HTC Desire 620 via USB

I have used HYC Sync manager previously but now both this software and double twist will not recognise my HTC Desire 620 when plugged in via USB.I have used both MTP and PTP settings on the phone but ...
0
votes
0answers
56 views

Cant copy files via USB onto Moto G after cyanogenmod installation

I have just flashed my Moto G 2013 and it is working fine, but when I connect it to my PC it opens up as an empty folder. The name of the phone is there and when I click on it...it is all empty. None ...
0
votes
1answer
75 views

How many phones it is possible to connect to single PC via USB? [closed]

I am Android dev. I have two Android devices connected to my PC via USB and they work great. I am wondering what is the upper limit of Android devices I can connect? I have 4 USB on my PC, but I can ...
0
votes
0answers
59 views

How do I use external web camera though USB OTG on Huawei Honor 6?

Built-in kernel does not come with USB Video support and when using sideloaded uvcvideo.ko the camera works very bad (image is distorted, the device often crash). I can barely get even single 160x120 ...
0
votes
0answers
89 views

Convert Android File Transfer to USB Removable Device in Lollipop

I have a ASUS Zenfone2 Laser 500KL whose configuration are 8Gb Internal, 2gb RAM, QuadCore Processor and Android Lollipop 5.0. For some days, i am using the phone but i don't like the file transfer ...
0
votes
0answers
39 views

new android with no sim card - trying to upload app - no device ip address

I'm running Ubuntu and have just installed android-studio and compiled a hello-world app. I have the phone (no sim card) attached with a USB cable. I want to run: adb connect "device ip ...
1
vote
0answers
52 views

Need direction on best course of action with an lg16c with Kitkat

I have recently started teaching myself Android systems, and I'm not sure if I bricked or what happened. Now I could seriously use some direction as to the best course of action. Somewhere in the ...
2
votes
3answers
78 views

Charge and USB keyboard through 1 USB port

I have a Samsung Tab E that only has one USB port. Can I charge the tablet and have a USB keyboard attached at the same time? I've tried a 3-way cable ( link to Amazon ) but it supplies power to the ...
0
votes
0answers
14 views

Droid 4 ethernet adapter

Is there any way to get an ethernet connection working on a droid 4? Are there any MicroUSB to ethernet adapters that work well with the Droid 4? If so, which ones? Thanks.
0
votes
1answer
70 views

Nexus 4 shows up empty on Windows Explorer

I connected my Nexus 4 to my PC via USB. When I open the device in Windows Explorer, though, it's empty. I made sure to install an MTP driver. How can I access the file system of my phone? Edit: I ...
3
votes
0answers
42 views

How to get USB Game controller to work on rooted Xperia Z Tablet

I have a USB game controller I always use in my rooted Tecno Phantom Pad running Android 4.2.1 which works fine but can't get it to work on my rooted Sony Xperia Z Tablet running Android 5.1.1. I ...
1
vote
0answers
22 views

Samsung Galaxy S3 cannot be accessed by pc after root

I did this to my samsung galaxy s3 and it cannot be accessed by a pc using usb. Rooted android 4.2.2 using kingo root Installed TWRP Installed LiquidSmooth for galaxy s3 Installed GAPS Apparently ...
0
votes
0answers
21 views

USB HUB for tablet

I wanted to connect USB HUB to my tablet, because mine tab has only 1 USB port, so I bought an Usb hub and connected it to my tab, and then I connected for example a keyboard to one of the ports on ...
2
votes
1answer
93 views

Update/Reset android firmware by SD Card. Verizon Samsung S4

I have a Verizon Samsung Galaxy S4 that was rooted on the 4.3 build with the saferoot method (I think, it's been awhile). I had since installed Xposed framework and installer, etc. I unrooted with ...
0
votes
0answers
21 views

I need to access the “system disk” on my Android phone from my laptop

I need to copy text messages from an Android phone to my laptop. When I look at the contents of my Android phone from my laptop through a USB connection I can only see and copy the "local disk" ...
0
votes
0answers
29 views

Soft Bricked HTC m8 after update, Need to recover data

I did an OTA update for my htc. But now its soft-bricked and my USB debugging is OFF. I am running stock everything. As far as I have checked I am S-OFF. My usb connection still works but HTC SYNC ...
3
votes
1answer
49 views

How to use android device as display or terminal?

I want to use an android phone as a USB terminal/display for a headless system. The ideal user experiece would be: Plug phone to the usb port. System starts sending status info, phone displays it. ...
0
votes
2answers
27 views

how to download pictures from sd card to phone?

I have a droid turbo and i bought a sd card reader to plug in an sd card from my game cameras into my phone so i can see these pictures without bringing my laptop to my cabin. But i cant find ...
0
votes
0answers
80 views

Is there a way to remove all other USB options except charging?

Is there a way to disable MTP/PTP and all other USB options except Charging option from the Android system? I'm using LG G4 beat, Android 5.1.1 and i want to remove it for my new ROM that i working ...
1
vote
1answer
100 views

How to turn on phone from computer

I got an old phone, HTC WildFire S, which works perfectly expect one thing, the power button has gone bad. Can I start my phone from computer using USB connection somehow?
-1
votes
1answer
27 views

Why my pc usb discharge my smartphone?

When i'm using regular cable to my smartphone connecting to the electric in my house it's charging the smartphone fine. My smartphone is lg g3. But when i'm connecting my smartphone to my pc usb and ...
1
vote
3answers
49 views

Use an usb printer from an Android device

I have an old usb printer and I'm wondering if it's possible to use it to print from an Android device. I'm thinking a micro-usb-to-usb adapter and then just plug it in... Will it work? If not out of ...
4
votes
2answers
159 views

Forcing Higher USB Current

The Big Problem: Like a lot of people we are finding that our tablet does not maintain charge when connected to USB (PC or other device, not AC jack, we need data and charging simultaneously). What ...
0
votes
1answer
73 views

How to get files from a Galaxy S6 Edge with Android 5.1 to a computer with Windows 10 by USB

How is it possible to transfer file over USB from an Android phone to a computer? Situation: Windows 10, Galaxy s6 Edge on Android 5.1.1. (I've read articles, followed dozens of tutorials, ...
0
votes
0answers
16 views

Enable usb debugging on a non-functioning screen (S3) [duplicate]

My S3's screen got smashed a few months ago- and after replacing the screen twice, I bought the S5; and kept the old phone. For some reason, I just remembered about it and wanted to try and restore ...
-2
votes
2answers
44 views

Samsung S3 will not get detected by computer

I think my power plug is the problem. How can I make sure? PC's USB is working fine.
0
votes
0answers
598 views

Reverse Tethering over USB with non rooted Android 5.1 Phone and Linux PC

I have a PC running Slackware Linux and a non rooted Motorola Moto-G with Android 5.1. Following this guide I should be able to share PC internet connection with my phone. But when I finally launch ...
0
votes
0answers
47 views

Programmatic control over USB of Android Camera

Thanks for taking the time to look at this question. I'm trying to build an automated lab imaging solution that integrates with our information system, and am finding webcams too low-res, and SLR ...
0
votes
0answers
28 views

PANASONIC USB connection problem

sir! i am using Panasonic phone. when i'm trying to connect my phone to PC using USB cable,i don't get any notification regarding USB connection neither on phone screen nor on PC. i can connect any ...
0
votes
0answers
17 views

I can use a USB keyboard and mouse with my phone but no terminal app will use them

I have a Samsung Mega (SPH-L600) and I have it working great with USB Keyboard, Mouse and HDMI monitor by using this: . However, I cannot find an SSH client that will use the keyboard exclusively. ...
1
vote
1answer
157 views

Slow charging, random wake-up and dead USB connections

My phone, Asus Zenfone 5 (A501CG), takes too much of time to charge (6-7 hours). Also, the screen wakes up randomly every 5 seconds (approx.). The phone doesn't connect to a PC (it's not recognized) ...
0
votes
0answers
39 views

USB device exceeds power limits

OK, the android studio really drive me crazy. At first, AVD cannot launch and I have post my issue here to http://stackoverflow.com/questions/33417842/avd-not-running and failed to create new ...