Questions tagged [usb]

questions regarding connecting an Android device via USB to e.g. a computer's USB interface

394 questions with no upvoted or accepted answers
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votes
1answer
9k views

How to prevent Android from creating Android and Lost.dir folders on external otg storage?

If I either connect my Camera using a USB cable via OTG or inserting the SD card in a OTG reader connected to the phone Android creates automatically two folders: an Android folder an a Lost.Dir ...
5
votes
1answer
2k views

Make android phone as USB Webcam

I have an Android tablet based on Android Lollipop (5.1.1) and I want to use this device as a webcam via USB. I know some apps could work (e.g. DroidCam or WO WebCam) but they require extra clients ...
4
votes
0answers
2k views

How to change default microphone input at Android devices?

I have an android box (not tv box) that doesn't have a built-in camera or mic. I have connected Logitech c920 webcam via an USB port. (The android box: supports OTG port and jack 3,5 but I want to ...
4
votes
0answers
549 views

Mount external USB drive as read-only, without root

If I wish to visit someone and bring with me my phone, chromecast or miracast, and an external USB drive, to show pictures and home videos, I want to do that without risking clobbering up my external ...
4
votes
0answers
2k views

How to mount two USB drives from same device on Android?

I'm wondering how I can mount two USB drives from a USB device on Android. I have a Garmin Oregon GPS device with a USB port. When I connect it to a Windows PC, I get two drives: one for the internal ...
4
votes
0answers
336 views

Verizon Galaxy Nexus Discharging When Plugged In Even After USB Replacement

I've got a Verizon Samsung Galaxy Nexus that as of a few weeks ago quit charging - in fact it quickly drains the battery (discharges 2% / minute if not more) while plugged in. I tried different ...
4
votes
0answers
1k views

Using OTG cable, transfer file from cardreader to external harddisk, is it possible?

I will be going on a holiday and I want to be able to back up my photos to my external harddrive. Usually this means bringing a laptop with me. However I have : Galaxy Nexus, rooted and unlocked ...
4
votes
2answers
390 views

How do I run an application on my phone from my PC?

I have a phone with a touch-screen malfunction, I want to run applications on it from my computer, connected by USB. Is that possible? I've tried applications like http://mymobiler.com, but that has ...
3
votes
0answers
12k views

How to do port forwarding over Android USB tethering?

So, for the time being I'm stuck plugging my phone into my PC and using USB tethering to connect to Wi-Fi. One of my games requires port forwarding for online play, and I'm having trouble getting it ...
3
votes
0answers
3k views

Is it possible to make Android Emulator appear as an USB device on my computer?

I know that I can't plug USB devices inside android emulator like a pen drive. But is it possible to make my emulator look like a regular phone connected to my computer? I launched the emulator, ...
3
votes
0answers
1k views

With the Pixel 2 supporting USB Audio Class 1/2/3, which USB audio devices work? Or *don't* work?

https://productforums.google.com/forum/#!topic/phone-by-google/Yvy0RfOPFfU Pixel 2 supports audio adapters and headsets that communicate digitally over USB-C as defined by USB Audio Class 1/2/3. ...
3
votes
0answers
153 views

Will this charger damage my phone?

I have a 3 port USB-C charger from Aukey that for the past weeks worked well with my Nexus 5X when used with an old ATX power supply as power source. I found critical reviews on Amazon (link to US ...
3
votes
2answers
2k views

Can you damage a device using the wrong USB cable?

I understand the main difference between a USB and USB-OTG cable is that the later has an ID pin which is grounded, so.does this mean I cannot use a regular USB cable in a OTG (micro-B I believe) port ...
3
votes
0answers
8k views

How to connect a USB Device to Bluestack

I have drone( DJI Phantom 3), and in order to fly it correctly DJI provides an App for IOS and Android("DJI Go"). The thing is that I have a Kolina k100 android phone(a cheap chineese one), and I can ...
3
votes
0answers
907 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 ...
3
votes
0answers
149 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 ...
3
votes
0answers
652 views

How to mount usb drive in nexus 5 using mount command?

I read in some online sources that lolipop 5 allows mounting usb devices using otg cable without root permissions. Another thing i saw is that the app "ES Explorer" can mount usb devices without root....
3
votes
1answer
2k views

IP Address of desktop computer USB tethered to phone

For my Internet connection I use a Motorola Electrify Android phone USB tethered to my desktop computer Windows XP. My service provider is US Cellular. I would like to know the IP address of my ...
3
votes
1answer
31k 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 ...
3
votes
0answers
896 views

LG-P870 USB not detected in Windows 7

I'm trying to connect my LG-P870 to my laptop running Windows 7, so I can drop some music and contacts onto it. My software version is P87010i. I installed the USB driver (tried two versions) as ...
3
votes
0answers
162 views

How to disable USB data connectivity on rooted device

I have a Transformer TF101 and I have Android 4.0. I want to disable the USB data connectivity of it for my purposes. The device is rooted. How can I do that, and can I change the implementation of ...
3
votes
0answers
4k views

How to setup VLAN on Android?

Can anybody give me idea how to setup the VLAN on android. I get VLAN 200 tagged traffic from some device. So how can I configure or setup the networking stuffs in android to allow traffic tagged with ...
3
votes
1answer
1k views

Xperia Arc S typing problem while connected to PC?

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 trying to type anything while it's connected, my phone detects a single touch as a ...
3
votes
1answer
4k views

How to setup a PPP connection between an Android smartphone and a Linux computer?

For testing purposes, I need to connect an Android smartphone to my Linux desktop computer to enable communication between the phone and some servers on the LAN. I can't use Wi-Fi so I'm stuck with IP ...
3
votes
5answers
14k 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, ...
2
votes
0answers
17 views

using adb command for Samung Galaxty A51

I have a samsung galaxy A51 i already had the developer mode on my phone but i forgot to allow usb debugging on it before my screen broke. The phone still works but the screen wont light up & wont ...
2
votes
0answers
27 views

Charging/USB Notification Not Appearing on LG X Charge

For the past month I have been trying to connect my phone to my Ubuntu Linux with little luck- for context, I used to run Linux Mint and managed to get things to work just fine. However, I switched ...
2
votes
0answers
43 views

USB-C hub connection with OTG enabled smartphone

I want to buy a USB-C hub with USB-A ports. Is it possible to connect it with a phone like Nokia 5.1 Plus which has OTG. If it doesn't work with Nokia 5.1 Plus does it work with other phones?
2
votes
0answers
37 views

Script to act as keyboard for android device

TLDR: I need to create a keyboard interface to android, does this already exist? or am I going about this the wrong way? I'm running tests from my computer that require me to interact with an android ...
2
votes
0answers
62 views

Turn Android device into a wireless or USB webcam with background removal

There exist several applications such as DroidCam that can turn one's Android device into a wireless or USB webcam. Do any of these applications have a background removal feature (= only shows the ...
2
votes
0answers
2k views

How to access "Work Profile" files via USB on my PC

I've got an Android "Work Profile" on my phone, kind of setup as explained here. It's trivial to access normal Android files. Plug a USB cable into my phone and PC, select "File ...
2
votes
0answers
333 views

Connect via ADB to a physical X86 via USB

I have Android-x86 (version 9.0-r2) running in a Lenovo MIIX-320 and I have another PC running Linux. From the Linux host I can connect to any other Android device using an USB cable . But I can't ...
2
votes
0answers
267 views

Connecting Samsung S9 to MacBook's USB Type-C behaves like charging - not charging - charging - etc

I am trying to use my Samsung S9 to test a mobile app. I activated the "Developer options" and these are my "USB settings" (opened when I tap on the "Android System" notification): And when I "Tap ...
2
votes
0answers
1k views

Android system keeps resetting default USB configuration upon PC connection

Whenever I'm connecting my Samsung Galaxy A40 running Android 9.0 to a laptop or PC, I'm getting an annoying prompt to allow data transfer, and the following setting which I had set to "Charging phone ...
2
votes
0answers
129 views

How to know if USB drive was detected using OTG from dmesg output?

I am trying to get OTG to work with my phone (Samsung Galaxy Win SHV-E500L, previous question here) I have used an externally powered USB hub and connected it to an OTG cable connecting it to my ...
2
votes
2answers
1k views

My computer doesn't recognize my phone, neither on ubuntu nor windows

I own an LG-K430T, and I use it to share internet with my Desktop PC through USB tethering. Or I did it for a year straight until today, when my PC isn't recognizing my phone anymore, neither on ...
2
votes
0answers
117 views

"No Photos" in OSX with PTP?

I delayed trying to fix this for a few years but now I'm having enough of it: photos on my Android phones do not show up in Image Capture/Lightroom/Photos.app on my OS X machines. File transfer (MTP) ...
2
votes
0answers
152 views

How do I get rid of "the connected device is unable to access data" notification

When I connect my phone to my job computer the phone shows a "the connected device is unable to access data" dialog from time to time. I think this is just annoying - if I want to access files from my ...
2
votes
3answers
3k views

Auto-reconnect BT or USB tethering

When on vacation I use my smartphone (Android 7.1.1 Nougat) as a modem for my laptop (Windows 10 Home) and tablet (Android 6.0 Marshmallow), tethering to the laptop with USB and the tablet with ...
2
votes
0answers
253 views

Can I use ADB with USB Network Gate?

I have a colleague who cannot obtain the kind of Android device we need for our project. He would like to own such a device to test our project with adb and similar tools, but to reiterate, his ...
2
votes
0answers
595 views

adbfs-rootless: "Transport endpoint is not connected"

I was looking for a way to mount my phone in Linux, over USB, and I came across a recommendation to use adbfs. I was able to download the files to a directory and run make, and I created a ...
2
votes
0answers
1k views

Galaxy A3 (2016) broken screen access files

I have a Samsung Galaxy A3 (2016) - SM-A310F - with a broken screen from a friend to try to backup the files on it. Touch doesn't work and you can't see anything, but I can unlock it with the home ...
2
votes
0answers
154 views

Phone disconnects from USB after 5 seconds on Windows

My phone recently underwent continued exposure to water (in my pocket during a heavy storm), and after drying it out, I have a problem with its USB port: When connecting the phone to a Windows ...
2
votes
1answer
61 views

Is it possible to make computer temporary storage?

Weird question, But is it possible to use your computer as a temporary storage via USB charger. I'm thinking I could use this to download files straight onto the computer from my phone. Edit: I mean ...
2
votes
0answers
74 views

NTP sync over USB for chinese watch?

Context: I'm having some difficulty locating a specific .apk to synchronize the time on a specific watch. What are the challenges associated with running some type of NTP sync over USB between a ...
2
votes
1answer
92 views

Debug android Device

I have a problem with many of my android devices,I figured out that my devices micro usb is easy to damage ( sad reality) so when I try to debug returns for me an empty List of devices attached, My ...
2
votes
0answers
4k views

Any way to force "USB debugging enabled" status using adb commands, with broken phone screen

I am trying to access my phone, after screen is broken (no way to enter swipe access or pin). I have installed Android Studio and am able to navigate to the folder containing adb in a command prompt, ...
2
votes
1answer
1k views

Sync computer folder -> phone's external SD card, with USB cable

Background: Until a few days ago, I was happy with my Android 2.3 phone, and its Media Storage via USB cable : syncing my computer's D:/MusicLibrary/ folder with my phone's 128GB external SD Card was ...
2
votes
0answers
1k 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. Developer mode enabled. Developer option enabled. Stay awake enabled. USB debugging enabled. I am already in ...
2
votes
0answers
112 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 ...

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