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Questions tagged [usb]

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

0
votes
0answers
9 views

What are the differences between these adb and fastboot packages?

In my Bash shell, I have the packages: adb vs android-tools-adb as well as fastboot vs android-tools-fastboot. For reference I am trying to root my device, and later use these tools to learn about ...
0
votes
1answer
17 views

USB DAC not working with Galaxy S9+ on Android 9

I just got a USB DAC/AMP for my S9+ and I can't get any audio to be sent over USB. Things I've tried: Updating from Android 8.0.0 to Android 9 Confirmed the cable is OTG Used Included OTG adaptor ...
0
votes
0answers
25 views

USB cable not working

I'm using MacBook Air(MacOS Sierra) and have installed Android File Transfer on it. The problem I'm getting occurs sometimes and works well the other time. When I connect my phone with my PC with a ...
0
votes
0answers
12 views

Can I connect a USB sound card to a MediaPad T3 10?

I want to connect an amateur radio to my T3 10 using an interface that requires a headphone socket and a mic socket. As the T3 10 has a built-in mic and doesn't have a socket, I was wondering if I ...
0
votes
0answers
20 views

How to disable auto mount of USB OTG drive when connected?

I'm looking for a way to disable auto mounting a USB OTG connected HDD to an Android 5.1 phone. So, basically, i dont want it to be mounted to /storage/usbotg. I cant find anything about this. ...
0
votes
0answers
100 views

Android Studio stuck on Installing APK on phone after updating to Android Pie (9.0) [closed]

First of all I've updated my Xiaomi Mi A1 phone to 9.0 recently. But it seems like some setting changed on my phone and now Android Studio won't even recognize it as online at all. That was fixed by ...
0
votes
0answers
57 views

cannot see device anymore when connecting to PC via USB

Lately I'm experiencing this problem when connecting my LG G2 smartphone to the PC: I cannot see it anymore in explorer. I can actually connect to it tru ADB and push/pull files no problem. Also ADB ...
1
vote
1answer
65 views

Android 7 Nougat onwards: hides USB OTG sticks from third-party file managers?

Third party file managers such as ES File Manager and RhythmSoft File Manager HD (others will be tested) do not show an USB OTG device. It does not even get listed. Only Android's pre-installed file ...
0
votes
2answers
67 views

wi-fi + bluetooth + usb failed for no reason (no system update) on xiaomi redmi note 4

Some time ago I suddenly noted that wi-fi switch does not turn on wi-fi and I could not start wi-fi hotspot on xiaomi redmi note 4. I did not do any system update before that happened. As I've read on ...
0
votes
1answer
50 views

Flash USB drive on S9

How to read an USB flashdrive on a Samsung S9? I saw online that some OTG adapter is required. I want to know if there are other options requiring only an app or something.
1
vote
0answers
67 views

Android Pie only showing two folders to Android File Transfer

I have a Pixel which is running Android 9 and I have a computer running El Capitan with Android File Transfer. Under "Use USB for…", I have "PTP" selected. Android File Transfer only shows the folders ...
2
votes
1answer
421 views

File transfer over USB cable option no longer appears after upgrade to MIUI 10

I have a Xiaomi Redmi 4A and I used to often transfer files between it and my Windows 10 laptop PC over USB cable. When I plugged in the cable the phone it used to prompt me to choose between USB ...
0
votes
1answer
161 views

how to succesfully boot into bootloader/fastboot mode on alcatel 5049z smartphone

I am having issues( i am a "novice" when it comes to unlocking a30 android bootloader with a PC...) with booting into bootloader/fastboot mode on my stock rom--android 7--Alcatel a30(non rooted 5049z?)...
0
votes
0answers
222 views

Can Android device be used as USB webcam for full-HD, 30fps video source for Skype calls via PC?

Have found some apps that allow an Android device s.a. a Smartphone with good camera to be used as a USB webcam, when used of ADB over USB. However they seem to limit the video source to be fairly low ...
-1
votes
0answers
280 views

Can't access internal phone storage

After a recent update I'm not able to access the phone's internal storage. I'm trying to use "ES file explorer". It used to display the internal storage and the SD card, but now only the SD card. I ...
1
vote
2answers
62 views

PC no longer recognizing Android Device

While I never had problems before with my Android phone, suddenly one day when I was connecting my phone to the PC via USB it stopped working. Both my PC and my phone didn't detect each other. ...
0
votes
1answer
128 views

Photos in DCIM folder visible on phone, not visible via USB

I use a RedMi 3S (Android 6.0.1), non-rooted and fully updated. I have a large number of photographs in my DCIM/Camera folder (in my "Internal Storage"). They're visible via the Gallery app, File ...
2
votes
1answer
278 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 ...
1
vote
0answers
146 views

Android ethernet driver intallation guide [closed]

I bought android usb ethernet adapter, but i have heard that it supports limited android devices only. and with that pack of adapter i found drivers for : 1). android 2). MAC OS 3). WIN CE and 4). ...
-1
votes
0answers
37 views

USB Not Working

My andriod phone runs on andriod 5.0 non rooted and few days back usb mtp feature works fine but when i connect my phone to my pc with usb no usb notification occurs only phone charges like charges ...
-1
votes
0answers
42 views

Android 8.1 USB on in sleep mode

I'm using a remote with usb to a TV Box but when I put it to sleep I can't wake it by the remote. Is it possible to keep usb ports on in sleep?
1
vote
1answer
76 views

Do all USB C data/charge cables support Quick Charge?

I have a Xiaomi Mi 8 which uses a USB C connector for charging. As long as my phone supports Fast Charging, do I need any sort of special USB C cable to take advantage of the fastest charging speed ...
0
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0answers
51 views

Enable USB debugging with broken black screen

I have a One plus 3 and I broke my screen. I can't see anything it's black everywhere and a part of the screen isn't touchable. I want to enable the USB debugging to copie my data on my PC but I have ...
0
votes
0answers
84 views

USB connection mode options no longer showing in notifications drawer

My phone is plugged into my computer via USB - it is charging, but I do not see any options to change the USB connection mode in the notifications drawer. I have seen and used these options in the ...
0
votes
1answer
200 views

Huawei p9 lite usb working but not working

(trying to root the phone but haven't got any because of the USB problem) so i have had this device for a while and through the couple of years its gotten pretty beat up but still works. so the ...
0
votes
0answers
21 views

Fix tether option on Zte z799vl

Phone was modified and I am trying to connect to computer Windows10. I've downloaded drivers and app none work.. How to Fix Usb tethering option on Zte z799vl
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votes
0answers
49 views

I connected my Google Pixel to my PC using a USB A to USB C cable claiming to support data transfer, but it doesn't show up in Device Manager

I'm running Windows 10 and Android 9. I can't see the phone in Windows, so I can't transfer files or install apps I'm developing; I'm quite disappointed!
0
votes
0answers
22 views

Limiting the directory offered upon plugging the phone by USB

How do I limit the directory which Android presents to the host computer upon plugging the phone in via USB? Ideally, I want to limit it to another directory (possibly, but not necessarily, a subdir ...
0
votes
0answers
31 views

My computer does not recognise my phone when USB debugging is enabled. Do I need a new USB cable?

I deleted some photos on my phone by accident yesterday. I am trying to root my phone to get my photos back, but when i enable USB debugging my computer disconnects my phone. The computer recognises ...
0
votes
0answers
874 views

Adb says “Error: Device offline” everytime

Please see this question for background information. Problem: Whenever I run adb devices it says Error: device offline - This appears even when no device is connected at all. It won't even let me ...
0
votes
0answers
160 views

How can I share my wifi Internet connection from Android phone to a Linux Raspberry Pi?

How can I share my wifi Internet connection from an Android phone to a Linux Raspberry Pi? I am trying to share my Wifi connection from the phone to a Raspberry Pi 3B. USB tethering is connected. I ...
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0answers
14 views

Managing USB keys being connected to Android Clever Touch

Is it possible to to configured Cleartouch/Android so that only encrypted USB keys can be plugged into Android device, any none encrypted USB keys blocked?
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0answers
37 views

How does a mobile differentiate between devices when connected via USB?

Devices include charging adapter, PC/Laptop, otg pendrive etc.
0
votes
1answer
131 views

Connecting a USB keyboard to Xiaomi Mi A1

I am trying to use a basic USB keyboard with my Xiaomi Mi A1 and it's not working. I connected the phone to the keyboard using a female-to-female USB adaptor. Nothing shows up on the phone. I tried ...
2
votes
1answer
1k views

Is there a way to run adb as host on android without root?

I have an android phone and an android tablet. Both not rooted. I want to use adb as host on the tablet and as client on the phone, using an USB-OTG adapter. I downloaded connectbot as terminal ...
1
vote
1answer
45 views

My Moto Z is stuck in a bootloader mode AND will not communicate with my Windows 10 PC

Before it became problematic, the bootloader on my Moto Z was unlocked, developer options were on and so was USB Debugging. Then a friend tried to root it and that's when my problems began. Now, when ...
0
votes
0answers
12 views

Le Eco LePro3 Android Device Frozen with stuck LED

I have no way to turn it on, I'd try ADB if I could but other than that I can't use the phone whatsoever. The screen is stuck on a blackscreen and there is just a constant white LED. Does anybody ...
1
vote
1answer
210 views

USB OTG Extension Cable and DAC

I am trying to get audio through my USB DAC on various tablets with OTG functionality and I don't know why it's not working! First off. It works just find when I use the OTG adapter straight to the ...
0
votes
0answers
62 views

Start Galaxy Tab when USB cable connected

I need to make my powered-off tablet start when the power cable is connected. I saw that with fastboot it could be done with the command fastboot oem-off-mode charge 0. However fastboot is not ...
0
votes
0answers
17 views

Android phone doesnt show pop to allow the data transfer when connected to the computer

I have been using my android (Samsung galaxy A7) and whenever I connect it to the lap, it showed me a pop up "Allow the data transfer". all of a sudden it stopped. The phone is charging. I tried with ...
0
votes
0answers
55 views

Samsung S4: USB connection with the PC is lost when rebooting a device with 100% battery

My PC has two different USB sockets: yellow and blue. When connected to the PC, the S4 device, when I reboot it manually or with adb reboot DOES go unplugged when connected to the yellow and DOES NOT ...
0
votes
0answers
25 views

Restart charge from powerbank on rootet phone

A have rooted android 4.3 device and charge it from power bank. Charging stop after 100% and not continue after phone discharged until i unplug and plug again usb connector or push butoon on powerbank....
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votes
0answers
39 views

USB C symmetry problem.

Up until very recently, I thought that USB C was symmetrical, that it could be plugged in either way and it always acted the same. I now have two phones that both behave in the same manner. (HTC U11 ...
2
votes
5answers
11k views

How to get USB file transfer working on Oreo 8.1?

I always used to transfer files between my laptop and Nexus 5X phone. Upon connecting the USB cable, there used to be a notification thingy on my phone showing USB options, which was default on '...
0
votes
1answer
30 views

Android phone display stuck and restart not working

My Android phone's display is stuck and none of the three buttons volume up/down and lock are working. I tried calling myself from the Android device manager, which didn't work. I connected the phone ...
0
votes
1answer
381 views

Huawei P20 Pro charging in USB host mode

I'm seeing several related questions here. However, most of them are ancient (as in 2012) and refer to micro USB and maybe the USB-C standards are different with regard to host mode charging. I'm ...
0
votes
0answers
546 views

How to swiping ( scroll ) in apps use usb mouse wheel on Android?

I have Android x86 on my PC, so as a mouse and keyboard, I use a physical USB mouse and keyboard on my computer. Many applications for Android do not support scrolling with the mouse wheel and you ...
0
votes
1answer
93 views

View HDMI output on Android Phone

I have a raspberry pi: it is normally run 'headless' (sans monitor). I would like to be able to connect the video output on a Samsung Galaxy Phone. For this exercise, the solution must use a wired ...
0
votes
0answers
31 views

Is stereoscopic vision via OTG and 2 USB cameras possible?

I'm thinking of making a stereoscopic night vision device by using 2 USB cameras connected via OTG (type C) to my Android phone. I've already tested 1 USB camera and some VR App from the Play Store ...
0
votes
0answers
13 views

control win10 laptop files from tablet

Is it possible to control win10 laptop files from zenpad 3s10 tablet when connected by usb cable? I have tried looking at file manager on tablet and see no way to access laptop files - I do not see ...