Questions tagged [usb]

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

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17 views

How to counteract USB Rubber Ducky (or other bad USB) on Android devices?

I've read somewhere that it's possible to use mouse and keyboard on Android devices. Because that's possible, it's also possible to use devices like USB Rubber Ducky to automate key presses to hack ...
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How can I connect Redmi K20 Pro back to my PC?

It was all fine before I removed windows 10 old folder from my system due to space problems from my c drive, I can connect easly my redmi phone through USB and it will show in explorer like a charm. ...
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Why is OTG not working on Android 11?

I have a Samsung Android 11 device and I can't open the usb via OTG and I think the problem is with the Android 11 update. Is there a solution?
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How do I compile and install USBguard on android?

Is it even possible to compile and install linux packages on android, if it is possible how do I install usbguard into android?
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USB connection with my android not working any longer

I have a problem connecting my android phone with my PC. I however get the option of Transfer files under Use USB for but this does not seem work. Any leads?
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USB 3.1 gen 2 flash drive only works when connected through 2 adapters at the same time

Okay, this is a very specific question with very specific hardware, so I understand if there isn't an answer. I recently bought a USB 3.1 gen 2 flash drive with read and write speeds of 400MB/s, ...
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32 views

Use an external WIFI dongle as a hotspot

Is there a way to use a wifi dongle and set up the hotspot so it uses this dongle ? With or without root, it doesn't matter.
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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 ...
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1answer
29 views

Moto G Play (2021) is not detected on Windows PC

I'm trying to connect my Moto G Play (2021) to my PC with Windows XP SP3 and my computer doesn't know it's even there, where do I get Windows drivers for me to transfer what I want from phone to PC?
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Is it possible to unbrick an Allwinner Adroid tablet?

A few months ago I got my hands on a cheap allwinner tablet. I wanted to experiment with running linux on it, but in the process of my experimentation I (stupidly) deleted/overwrote both the /boot and ...
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Huawei Media Pad T5 AGS-W19, usb tethering missing, please help!

As per manual, there is usb tethering under settings. Followed exact instructions, but the option of "usb tethering" doesn't exist even when searched. The only option is "USB" ...
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OTG disconnects when screen turns off

I am using OTG external drive constantly. But it will always disconnect when the screen turns off. This causes data loss issues. I tried to find any related settings in system settings and developer ...
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Transfering lot of images from device to windows

Hello Android Community. I need to transfer something like 15.000 images from the internal memory of my Redmi Note 7 (Android 10) to my PC (Windows 10 46 bit). I'm trying to transfer these using the (...
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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 ...
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How can I restore my USB storage on my Android phone?

I have a Samsung A50 Android phone. I am getting message that USB storage has been removed restart your phone. So I do that and nothing happens. I still get the error message. How can I fix this?
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Boot Linux from stick in Termux

This question explains in detail why it's basically impossible to boot Linux from a USB stick. But I am still wondering: is it possible to load and "boot" a stick-bound Linux distro from a ...
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Accidentally wiped /system, recovery not working

I accidentally wiped /system on my Archos 101e Neon (MT8163) through fastboot. Now it can't boot and can't go to recovery or fastboot mode. I tried vol -, vol + and both. It's just stuck on the first ...
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51 views

Did I have USB debugging on or off?

my phone got stolen a month ago and I Don't know if I had usb debugging on or off(I had enabled developer options in the past and messed around with it a little bit that's why I'm not sure) but I ...
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wrong checksum(sha256) when copying from exfat samsung t7 touch external ssd to android(galaxy s10)

I bought a Samsung t7 touch SSD(1TB), it works just fine with my computer. but when I copy some files(200MB<) from the SSD to my phone which is a galaxy s10 the files get corrupted, and sometimes ...
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27 views

USB camera not recognised

I wish to use a USB camera with a Samsung Tab S2 t813. I have the USB Camera Pro app installed, however when I plug in a camera, the app does not register the device. On two other Samsung phones with ...
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93 views

Android phone slowly charging message

I purchased a TCL 10L phone two days ago. To my surprise when I plugged it, the phone said "Fast Charging" and it charged very fast. People on YouTube say that it does not support fast ...
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56 views

Device in fastboot mode not recognized at all as USB device

My LG G5 does not get recognized as an USB Device at all when it is connected to the PC in fastboot mode. While it is recognized just fine as an adb device, after rebooting into fastboot mode via adb ...
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Switch off the backlight of the LED screen of the android phone, while using it as a webcam via iVCam

I have upcoming exams which shall be remotely monitored through webcam. Now the thing is that I do not have an actual webcam and I have decided to use my android phone as a webcam via iVCam (using USB,...
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41 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?
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39 views

Lock computer USB connection

I'm looking for a way to lock computer USB connection with anther password then the regular lock screen password... (or ether disable the usb connection completely without broke the usb port) There is ...
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33 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 ...
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105 views

Printing from android device using a usb printer without using third party print server

I would like to use a Brother HL-L2300D printer (USB printer) to print from my phone and tablet in my home network for convenience without the document going through a third party server or first ...
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84 views

Using an external USB microphone via webRTC on an Android tablet

I am trying to use an external USB microphone with a Samsung Galaxy Tab A7 tablet (running Android 10) for some audio recording using webRTC. The microphone connects fine and can be used by installed ...
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25 views

Use Android device as external monitor from a Linux box **in a fluid way**

My need is to setup a VR headset with a smartphone inside, displaying the game that runs on a computer. I've done my homework and I already know about all the VNC-based solutions, but here the latency ...
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11 views

Minimum parts for external wired switch detection

I have an application that needs the one bit input from an external wired on/off switch. There are IOIO and Arduino solutions for this problem, but they seem to solve the general problem in a bulky, ...
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23 views

Proper USB micro splitter?

For my noname low-cost android tablet i'd like to power and use keyboard at the same time - both have USB micro connector on it. But the problem is, that the tablet has only 1 usb micro socket, which ...
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54 views

USB-C to HDMI vs USB-C HDMI/DP alt-mode

The USB-C spec includes HDMI alt-mode. If I am not mistaken this means that a cable that connects the correct pins on each end would cause any compliant device to automatically send compatible signals ...
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SM-T350 Micro-USB port charging but not transmitting files

My belief is that my SM-T350 (Samsung Galaxy A 8.0 from 2015) has a corrupted port which can only charge, not transfer files. Is that possible? Has anyone found any fixes short of taking the device ...
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LG android not showing files [duplicate]

I have an LG running Android 7.0 that I used to be able to get to /Android/data/net.osmand.plus/files/tracks in internal storage. I would have to restart to see the new tracks though. Now I have moved ...
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28 views

How to forward portsbon a USB tethered connection?

I'm using a USB tethered connection from my phone to my PC, I'd like to know if there's any way I can forward ports through this tethered connection, so that I'm able to play games that uses peer-to-...
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The device is not ready warning on Samsung A50s for USB transfer of data

I want to transfer data from my mobile phone to my external USB hard disk. The data stored in mobile is approximately 60Gb. But during the transfer I get error the device is not ready. However the ...
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34 views

Is there a way to tell if my car uses USB 3?

I use Android Auto. Currently, I have a genuine USB 3.x cable (I think it's 3.0 not 3.1), but due to some issues with how far out of my phone the plug extends, I am considering alternatives. The ...
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476 views

Is there any way to root Samsung a20e android 10 without pc?

I wanted to flash boot.img from magisk but my usb cable killed my pc. Is there any other way to root i/ And if there is any way to do something with that pc? Iys not charging after plugging usb it was ...
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Laptop doesn't recognize phone connecion

My Samsung a20e is not recognized by laptop. When connected,phone is charging but nothing changes in computer. No notification, nothing in device manager. Phone is in mtp mode and I installed all ...
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36 views

How i can solve this issue of USB data transfer?

I am using oppo A1k cell phone,Its Android version is 9. But when i try to connect it with my Laptop running windows 10, and out of 3 options(charge only,transfer files,transfer photos) i select ...
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672 views

How can I enable usb debugging on a broken phone?

My android mobile is accidentally broken. And the usb debugging is set to off. If I can enable it I could use it through visor in PC. But can't do it now. :( I don't have OTG supported too. My android ...
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28 views

Samsung s7 is on dead mode, buttons are also not working, usb debugging is also off.. Please help me to recover my phone

my phone is Samsung Galaxy S7. Suddenly while using the phone, it stuck on black screen with lights on both navigation n back button. Then after 1-2 minutes, it stuck on restart on loop mode. After ...
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23 views

Moisture detection when connecting external hard-drive to tablet

I have a Fire HD 10 Tablet with android in it and i'm trying to use external USB (like storage or mouse) but when i plug the tablet to an USB-Hub connected to a SD Card it reads it for about 10 ...
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30 views

Reading battery level/voltage via USB port

I'm interested in creating a device that needs to externally monitor the battery level or voltage of the phone via the USB port. I haven't had much experience with the inner workings of Android, but I ...
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24 views

Do Android “charge and use kits” exist?

I have successfully Twitch streamed out from my cell phone. Why a cell phone?; It has WAY better internet speed than my home connection,(10M out for cell vs 400k for home) and the bandwidth is not ...
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30 views

How do I connect an external WiFi device to the USB port of my Android phone?

I cannot find any android drivers that will allow me to connect an external WiFi thumb drive to the USB port of my phone. Then I intend to interface to the USB through the external WiFi device using ...
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1answer
100 views

Can't get SP Flash Tool working with Blackview BV5500 to install TWRP Recovery

I have installed Phone drivers (I have BV5500Plus & BV9500, same chipset MT67xx, same driver). For both phones, VCOM drivers are seen in Win10 if I connect turned OFF phone onto USB with Vol-DN ...
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HAOQIN 7" Android 9 as host won't recognize specific USB devices

(Please note that this question is about the Android tablet in USB host mode failing to recognize a USB device. It is NOT about Windows/Mac failing to recognize my Android tablet, as Google keeps ...
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enable usb debugging via ADB from recovery?

Since ADB debugging is not ON, I keep it off unless I need to do something, I now cant use even Vysor to view whats on screen since my screen died with just some color dots and lines seen on screen. I ...
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USB Sound Card Android 6.0 strange problem

I have the following USB sound card: https://www.amazon.co.uk/KOOPAO-External-Headphone-Microphone-Converter-GREY/dp/B08CXHFWS1/ I have it plugged in to a USB hub with an OTG cable to and my tablet. ...

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