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Questions tagged [usb]

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

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0answers
10 views

Android usb communication - How to set a non-standard baud rate for read and write data? [on hold]

I would like to know if in adroid it is possible to have baud rates different from the default ones for usb communication with a pcb / arduino board, I would like to send a frame with a particular ...
0
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0answers
12 views

is it possible to view stored webpages via USB otg?

that is on some on android browser, chrome or other. I usually access video content via OTG usb SD , like a breeze. I have a lot of LARGE (100's MB image heavy) webpagges i want to view via OTG. Any ...
0
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0answers
7 views

Android 7 is really slow while copying data onto USB-OTG. (#OTGate)

Android 6 already had painful mediaserver glitches that drained the entire battery in less than 1 hour. Android 7 has a new glitch: (Next to crippling USB-OTG access for ridiculous security excuses, ...
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0answers
25 views

can I use this type (usb type c) camera with my Nokia 6.1(not plus version)?

I have Nokia 6.1 smartphone. I have seen this item in AliExpress today. Still I didn't buy it yet. Before buying I want to know whether it will work or not with my Nokia 6.1 . If you have any ...
0
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1answer
25 views

Why lsusb gets “permission denied” error in Termux?

When I run this command in Termux the output gets permission denied. I don't have root access, perhaps Android system allows me to get the specific access in root.
0
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1answer
43 views

Why can't I see this Android folder on PC?

I use a banking app in my Android 8.1.0. All receipts are saved in /storage/emulated/0/APPNAME. I can see the APPNAME folder and the receipts on Android if I use an explorer app like Google Files. ...
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0answers
12 views

Eject an android device from windows?

When I connect my android phone to a desktop windows computer via USB cable for file transfer, it gets recognized as a "Portable media player". As a result, there is no eject button for the phone. I ...
1
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0answers
18 views

Can I connect a Samsung Galaxy A9 by an ethernet cable (no wifi)?

Has any other member been able to do this? I believe that you go to Settings - Developer Options - USB/Internet/Ethernet. If this last option is not there then it will not connect. I must confirm this ...
3
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1answer
58 views

External Hard Drive to Smartphone without additional power supply

I) Goal Use external hard drive without power supply - no hub either - to backup smartphone directly. II) Configuration Huawei Mate 20 Pro, this - I own this. USB C male to USB A (3.0) Adapter (i.e....
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0answers
20 views

How to know if phone has been connected via USB back in a certain date? [duplicate]

I have a phone running on Android 5.1. Is it possible (perhaps an ADB script) to see any USB connection back on April 8-9, 2018?
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0answers
21 views

How to prevent external USB HID devices enable without confirmation

Android support USB HID devices like keyboard and mouse. If you have a USB-C keyboard, or connect via a USB hub. The USB keyboard will have control to the system, without on-screen confirmation. I ...
0
votes
1answer
48 views

Problems after rooting with TWRP and SuperSU

I'm having some problems with my Samsung A3 2016 (A310F), on Android 7.0. I rooted the device using Odin3 v3.12.3 and flashed TWRP 3.0.2.1 SMA310, and then installed SuperSU v2.76 using the TWRP that ...
1
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0answers
44 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 ...
0
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0answers
15 views

Galaxy S7 turns off suddenly

Yesterday I noticed that my s7 was turned off. I was unable to turn it on again until I plugged it in charge and then strangely noticed that it was not on very low battery (even if it was relatively ...
0
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0answers
17 views

phone to phone internet VIA micro usb

i have an "old" phone (ZTE 327s) that sends internet to my PC via micro usb to usb cable. my question is : will the same thing work if i will plug my old phone to an androind phone with micro usb to ...
0
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0answers
17 views

Where is my tablet mounting?

I inherited a slight old Lenovo Tablet, an A2107A-F and I am trying to figure out what directory I'm looking at when I mount it as USB storage. I don't have an sdcard currently. The folder list I ...
0
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0answers
36 views

How to access files from shell on Windows? [duplicate]

In Windows File Explorer, my phone is listed along side C, D, and E drives. However, cmd and PowerShell start in C:\. This is the closest thing to what I want, but the command doesn't output anything ...
0
votes
1answer
43 views

How can I install / debug applications on nanopi m4 Android board?

I have a nanopi m4 Android board, usb type c port for charging and data (and debugging maybe), four usb 3.0 ports, Android 8.1 I need to use adb, what I have tried use the charging / data port (usb ...
1
vote
1answer
26 views

One Plus 5 does not appears in ADB

I wish to install an another OS on my OnePlus 5 phone. At least try... So I follow the various guides on the web, valid developer options, click on "unlock OEM" and "USB debugging". OK. I also ...
0
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0answers
41 views

USB MTP/PTP/Tethering/Midi Not Working

I have a Samsung Galaxy Tab 4 T235Y LTE 7.0". I have ported and flashed rom and it went wrong. Then I flashed stock rom. Now it's not detecting usb on pc (not showing usb options in tablet like mtp/...
0
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0answers
22 views

I see incorrect photo when accessing Android via USB

I see incorrect photo when accessing Android via USB. It's different from the one, I see in telephone itself. If I copy this photo to desktop, I get wrong image. If I move photo to desktop, I loose ...
0
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0answers
25 views

Leagoo T10 (Android 6.0). Unable to connect to USB device

I have a Leagoo T10 phone running Android 6.0. I am unable to connect to a USB thumb drive using a USB type C OTG adapter. I am also unable to connect to my Canon SLR camera using the DSLR Connect ...
1
vote
1answer
58 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
81 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
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0answers
54 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
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0answers
28 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
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0answers
68 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
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0answers
62 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
95 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
74 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
75 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
1answer
196 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 ...
3
votes
1answer
1k 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
732 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?)...
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0answers
422 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
vote
2answers
68 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
436 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
567 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 ...
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vote
0answers
309 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
vote
1answer
161 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
votes
0answers
137 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
102 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
263 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
67 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
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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
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0answers
1k 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
185 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 ...
0
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0answers
16 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?
0
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0answers
38 views

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

Devices include charging adapter, PC/Laptop, otg pendrive etc.
0
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1answer
182 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 ...