Questions tagged [usb]

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

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1answer
975 views

I can't configure my tablet's usb to ethernet ip setting manually

I have lenovo A3300-GV tablet which have usb ethernet support. I use micro usb to ethernet adapter and it work fine with my router. where my internet provided by local cable operator ISP Siti ...
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1answer
2k views

lsusb returns "permission denied" in Termux

When I run lsusb in Termux, the output is permission denied. I don't have root access. Perhaps the Android system allows me to get specific access in root?
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2answers
8k views

Samsung Galaxy S4 "Prevention Information" USB OTG

I am trying to connect things to my S4 with a USB OTG cable. Standard devices such as mass storage, keyboard and mouse all work fine. My problem seems to be with vendor class devices. I connected an ...
5
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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 ...
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0answers
25 views

Create and edit a bash script in an USB connected smartphone

The question explains it all. I am using Ubuntu 20.04 LTS. I have connected an android smartphone to pc using USB. Changed directory to internal storage using: cd /run/user/*/gvfs/*/'Internal Shared ...
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4answers
2k views

adb shows devices as offline but system_profiler detects the devices fine

I have several devices (mix of tablets and phones) connected to my mac mini. Some of them are connected directly while some are connected by a good quality hub. $ system_profiler SPUSBDataType | ...
7
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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 ...
3
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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 ...
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0answers
7 views

How to transfer files from Family Link -enabled Huawei Y5 to Windows 10?

My kids phone is Huawei Y5 (2019) and has Family Link. I have not found a way to transfer files from it to my PC running Windows 10. The phone is not recognized by HiSuite, and even though I enabled ...
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2answers
7k views

USB device doesn't show up on Android device

I bought a USB-to-micro-USB cable to use my USB on my Android device. Normally, when you plug it in you get a message above that says it is connected. But when I plug it in, the message does not show ...
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1answer
2k views

Force USB Host Mode

I am trying to use an USB-serial device that has USB-A connector via USB OTG. How do I "force USB host mode" so I can use USB-A to USB-C cable instead of using OTG adapter? OTG works fine with other ...
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0answers
12 views

How can I change the resolution of Iriun 4K Webcam to 1080p on linux? [migrated]

I would like to change the resolution of iriun 4K webcam to 1080p on Arch Linux. My phone supports upto 4K It shows resolutions upto 4K but does not change it remains 640x480.
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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, ...
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2answers
2k views

lost usb tethering android 7.0

after an update from android 6.0.1 to android 7.0 i ve lost usb tethering function on samsung tablet wifi SM-T580 ! need update to recover this function which is very important for me because i ...
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1answer
824 views

MTP usb driver failed

I upgraded my Samsung Galaxy Ace 2 GT-i8160. Everything went smoothly during the upgrade, but when it's almost finished, it got disconnected from the PC for no reason. When it reconnected again, it ...
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3answers
30k views

How can I stop my phone from thinking it's connected to a computer?

I plugged my phone into my TV's USB port hoping to play video from my phone on the TV. This was not successful. It's been about 4 days since I disconnected from the TV and it still thinks it's ...
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1answer
1k views

View local website on an Android device

Web developer here. I have two devices, a Samsung Galaxy S3 & a Samsung Note 10.1. I have developed a website which is running on PHP and I would like to view my website on these two devices ...
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2answers
4k views

I can't connect my Samsung Galaxy SL GT-I9003 via USB

I can't connect my Samsung Galaxy SL GT-I9003 via USB. When I try to connect via usb mode the phone doesn't respond, it only charges. I tried restarting and restoring my device, but it still won't ...
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1answer
868 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 ...
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0answers
22 views

Will a wireless usb keyboard work with android smartphone

I have a samsung A10 android 10 smartphone. I intend to buy a On The Go USB adapter and plug in the Keyboard adapter that is usually connected to my laptop so i can use my wireless keyboard and mouse ...
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2answers
838 views

How to install Android ADB drivers on Windows? (Any Android Phone)

How can I install the Android ADB drivers on a Windows 8.x PC/Laptop? I followed tutorials on the internet but nothing worked for me. PS: The adb driver should be compatible with any Android ...
2
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3answers
4k views

Samsung Galaxy S i897 not detected by PC

I have read every forum and every "help" site on Samsung's website and all over the internet. Nothing has worked. I bought an unlocked Galaxy S i897 on ebay, originally an AT&T phone but I'm using ...
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1answer
878 views

Disable USB permission in Android 7.0

I have an app that connects to an external piece of hardware via USB and communicates using ptp. In Android 6 this app would automatically start when connected to the hardware. The very first time ...
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3answers
4k views

USB power supply notification

Whenever I am charging my LG G5, it shows the notification. But the problem is even if I'm not charging or connecting with USB, it keeps on notifying and vibrating... Can you please help what the ...
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6answers
29k views

Can a device pretend to be a USB keyboard?

What I'm looking for: Is there a way to make the device claim to be a keyboard/HID when plugged into a USB port and "type in" the contents of the clipboard? More accurately; What would it take to ...
2
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2answers
826 views

Android plugged into car gives annoying popup "The connected device is unable to access data on this device."

Every time that I connect via USB my not-rooted Galaxy S6 (SM-G920F with stock Android 7.0) to my car (a Kia Soul 2015), this popup annoys me: "The connected device is unable to access data on this ...
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0answers
21 views

Zenfone 5 t00j charging, but not recognized by computer

I have bought a second hand t00j however it seems that when i connect it to the computer via usb, it is not listed anywhere, but it is still charging. I tried different USB ports. I have tried with ...
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1answer
1k views

reboot needed to refresh MTP list?

using Terminal Emulator I created a file; cd /storage/emulated/0/Downloaded echo test > test.txt Then using Android File Transfer I can see files in the same dir but not the test file. ls -l ...
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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 ...
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0answers
27 views

How to expose a folder to a PC using mount command

I've been messing with termux on a rooted tablet (mediatek), and I'm trying to expose a folder using mount that will be accessible to my PC via a USB connection over mtp (with read/write permission). ...
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1answer
5k views

Sony Xperia Z1 won't start up again!

As you may know, you have to backup the TA-partition before you put a custom ROM on the Sony Xperia Z1. I've backupped the partition with this .bat file: http://forum.xda-developers.com/showthread....
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0answers
33 views

Lost permission to modify external storage from PC after rooting my tablet

I have a highly secured proprietary tablet I was able to gain root access to. It's a mediatek device, I used mtk-su to root it. It has 32gb of memory, 8gb allocated to the system, and the rest ...
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0answers
17 views

Unable to transfer files from Mi A1 to PC and wifi is also not working

I have a Mi A1 device which I didn't use for months and today I charged it to root for some work. I am sure Wifi was working earlier, but not sure about USB file transfer. (I didn't check wifi this ...
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1answer
933 views

How do I run 2 Android phones on a PC simultaneously So that DroidCam for number 1 & TC games screen mirror for number 2?

I have 2 android phones and i want to connect both of them to my PC via USB cables like this: 1- Motorola Moto G3 5.1.1 (Lollipop) goes to DroidCam app for using as a webcam. 2- Samsung S4 zoom (...
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0answers
54 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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0answers
58 views

How to prevent charging over USB while debugging / tethering internet over USB?

When I'm on the go, I want to use internet tethering and debugging over USB to develop mobile apps with my Pixel 3A, but I don't want to charge the phone, because I want to waste energy on my MacBook ...
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5answers
42k views

No USB connection mode available; PC shows the error: "USB device not recognized"

My Huawei Honor 7 is unable to be detected by my computer. Whenever I plug it in, my computer shows the error : USB device not recognized. My phone automatically starts charging but there are no ...
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1answer
2k views

Transfer a large file from PC to smartphone

I have a Samsung Galaxy S2, and a PC with Windows XP (I do not have WiFi). I want to transfer a 2.1 GB file from the computer to the phone. If I transfer the file as usual, I have the following error: ...
0
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1answer
967 views

USB malfunction and rooting of my Samsung SIII (GT-I9305)

I have a Samsung Galaxy SIII (GT-I9305), and here are my problem(s). It can't be detected by PC via USB (not showing on device manager, odin, kies, not even charging) but it is charging when connected ...
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1answer
890 views

Why won't my USB headset work OTG with my Honor 6x?

I'm using an Honor 6x running EMUI 5.0. I bought an OTG cable recently, a female USB to male Micro-USB to use with this phone. I've connected a mouse and keyboard, and those worked fine. But, when I ...
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0answers
43 views

Will the fastboot boot ramdisk command boot a coreboot ramdisk to boot from usb/ sd card without mods?

Of course it has to be signed and not exceed a size-limit, but I think that custom roms or os's should come to a bigger audience without the limiting security and guarantee risks, disabling the ...
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0answers
88 views

Can I flash a custom fastboot mode image on a Samsung device to boot custom devices without tripping Knox

I'm a noob and don't even know if these are seperate images, but I do know that Samsung has no fastboot mode as it is stuck entering it and instead has a download mode. The question is, can I still ...
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2answers
957 views

Android - 2-ways USB sync for multiple calendars from outlook 2013 to phone

I use an iPhone since 5 years, and I'd like to switch to an Android phone, under KitKat and probably soon Lollipop. I've checked all my needs and there is still one for wich I didn't find how to ...
7
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4answers
41k views

Ultra slow speed while transfer files between PC and Samsung S5

I just got my new Samsung Galaxy S5, original ROM with version 4.4.2. It uses a new Toshiba 64GB speed U3 micro SD card. When I transfer my WhatsApp folder from PC to GS5, it took me more than 24 ...
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1answer
30 views

Why don't I have MTP option in the USB menu

I used to be able to use the phone for debugging. Now I have USB debugging enabled, and in it threr is a menu for default USB configuration. But it doesn't have an MTP option. The other options don't ...
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0answers
45 views

Can we and How to create Live USB for Virtual Android OS with standalone apps from USB?

Can we run Virtual Android OS with standalone apps from USB dribe from Android mobiles if yes share like how can we don it? Is it possible in Android to install or create program or run standalone ...
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1answer
1k views

How to connect Galaxy S2 m250s model via USB?

I have a Samsung Galaxy S2 that my uncle brought for me from Korea. This model of the S2, for some reason, has connecting issues through USB. The computer does not detect it at all! I tried connecting ...
3
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3answers
63k views

Tablet not recognized as removable storage

I have an Android A-13 Android tablet version 4.0.4 Baseband version 4.0.14 I have been trying to get my PC to recognize it so that I can download my music to it. But I do not know if the PC does ...
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1answer
1k 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) ...
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1answer
1k views

Can't install USB driver for Zopo zp300+ on Win7 64

When I enabled USB debugging in settings, an unrecognized device appeared in device manager: H9000+ Then I followed this: http://www.zopomobileshop.com/zopo-rom/how-to-install-driver-for-zopo-mobile-...

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