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

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1answer
14k views

Samsung Galaxy Tab GT-P1000 USB Cable Problems ; Charging Problems

Galaxy Tab is an old tablet.Yesterday,I can "resurrect" it from the dead,and I buy a fake USB cable to charge and exchange data. Since I have a worser phone than the Galaxy Tab,I really want to play ...
0
votes
0answers
14 views

Android File Transfer not working?

I have a mac, and I want to delete all the music on my phone and replace it with all the music on itunes in my mac. I've done this before, but it is not working. For some reason, my music is not in ...
1
vote
1answer
4k 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....
2
votes
1answer
104 views

Android device with USB HUB and Charge

I have a Chinese android tablet with MTK8392. It has only 1 micro USB port. The OTG function is working well, I can use a special USB keyboard with OTG. Is there ANY way to use this USB keyboard AND ...
17
votes
9answers
39k views

ADB constantly disconnects, shows device offline

I'm not 100% sure if this should go here or the main Stack Overflow, but I decided to go with this area in hope I might catch someone with more specific experience with a similar problem. I have a ...
0
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0answers
100 views

If bluetooth is failing , how can I stream from my Xiaomi Redmi Note 2 phone to new Mazda3 audio?

I have xiaomi redmi note 2 prime smartphone . It runs MIUI 7 android operating system. I am also leasing a new Mazda 3 I Grand Touring. The problem is that Bluetooth connection does not stay stable ...
0
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2answers
2k views

Android tablet recognized as USB storage but not in Eclipse DDMS perspective

I'm creating an Android application for a Tablet PC (model: Q8H, probably this one), and now I'm trying to push an application to the device through the USB connection, with debug mode enabled, using ...
0
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2answers
2k views

Cannot access all my folders from my SDCard via USB

I plug in the USB cable to my computer. I click on Open Device to view files, I get to the root of my SDCard. The problem is that there is a directory missing. I can see it with my file manager on ...
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4answers
1k views

Android ADB drivers installation error

I am trying to install the usb adb drivers. I turned the debugging mode on in the settings of my phone, connected to the PC. I click update drivers and manually selected the folder where the drivers ...
0
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0answers
15 views

Can see any files on my moto x play

I've had a moto x play for a while now but whenever i connect it to my computer and try to open it it always show it as empty when i have plenty of photos on it. can anyone help me with this problem ...
-1
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1answer
68 views

Android Marshmallow usb problem moto g2

My moto g2 is not being detected via USB when I connect it to my PC. It still charges however. Its not getting recognized since i have done marshmallow update. i have even enabled MTP in developer ...
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0answers
14 views
2
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3answers
5k 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, ...
3
votes
4answers
7k views

Mount Android device directly in Mac OS X Finder

I have a Nexus 5 and I have to use Android File Transfert to copy/check my files. It's working but it's not enough for me. For example, if I want to see my picture, there is only a list view, no ...
1
vote
0answers
16 views

Fix a soft-bricked Nexus 4 without usb?

My Nexus 4 is soft-bricked, when I turn it on normally it just stays stuck on the "Google" logo. The device has TWRP recovery v2.8.0 installed, which can be accessed. The device's USB does not work, I ...
1
vote
3answers
2k 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 ...
4
votes
5answers
57k views

How to backup broken screen phone when USB debugging IS NOT enabled?

I dropped my Samsung S3. Now I cannot see anything, just a white screen with purple, black, and green lines. Before it blanked out, it wasn't recognizing my finger touch. Any idea on how or what to ...
0
votes
1answer
35 views

Slow USB charging

I'm using Samsung Galaxy S5 and usually charge through USB port of Dell Inspiron 14z laptop. I know that USB charging is slower than wall charging. But USB charging becomes much slower than usual ...
3
votes
1answer
30k 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 ...
0
votes
1answer
1k views

How to stream audio from PC to android device through USB?

How to stream audio from PC to Android Device over Bluetooth Is there a way to stream all audio from PC to Android via USB? Can I stream video from PC to an android device over USB? I have found ...
0
votes
2answers
17k views

Can I use my Android phone as a USB speaker?

I have a Lenovo S850 (non-rooted so far, although I've read some guides and may try it when I find the time). Is there a way to use it as a USB speaker for my PC at work, which doesn't have any ...
2
votes
3answers
8k views

Is there a way to stream all audio from PC to Android via USB?

My headphones socket on my laptop is busted, and I'm wondering if I can stream all the audio (every sound the PC makes) from my laptop to my Android, so I can use the headphones connected to the phone....
18
votes
2answers
7k views

Charging over USB can be harmful?

Considering that charging over USB can take around 5 hours (to only 1-2 hours it would take from the wall mounted plug), can it be harmful for the smartphone battery if it's always charged from USB?
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0answers
10 views

How to distinguish two usb printers in an android device

There are two printers plugged into an android board by usb ports. I was trying to print doc from the android device. when the first printer plug in, there will be a path "dev/usb/lp0" show up. and ...
2
votes
1answer
7k views

Mount USB OTG to specific destination folder

I've got a Moto G with 4.4.2 and, as stock OTG functionality is broken in the latest android version, I need a way to mount my mini USB card reader (meenova) to /sdcard folder. From what I've found ...
2
votes
2answers
3k 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 ...
2
votes
1answer
274 views

How can I activate UDP forwarding for USB communication between a PC and an Android app

I have an real Android device connected to a computer via USB. I managed to activate TCP port forwarding with adb forward tcp:<port> tcp:<port> and successfully communicate with sockets ...
1
vote
2answers
35k views

“USB Debugging” mode not visible, Samsung Galaxy Note II

resolved (see below) The only options I see are "Media device (MTP)" and "Camera (PTP)", I can browse the phone files and download images from the camera directory, so the USB plug and cable are fine....
0
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0answers
32 views

Samsung Galaxy Note 4 is not recognized by PC or Kies 3

Samsung Galaxy Note 4 is not recognized by PC or Kies 3. Also, is there any new update for note 4 SMN910F or now because my Android version is 4.4.4 and doesn't receive any new updates, and every ...
1
vote
1answer
2k views

Enabling Android as USB host on Galaxy Nexus or Nexus 10

I'm trying to develop applications that talk to USB devices, but nothing works. I installed a USB Host Diagnostics app, and it tells me that there's no OS support for device detection on the Galaxy ...
2
votes
4answers
6k views

Samsung S5 doesn't show USB icon

Whenever I plug a USB cable into my Samsung Galaxy S5 device, it won't show the USB icon, I don't see anything happening on my computer either, all that shows is that it's charging. I tried plugging ...
0
votes
1answer
29 views

Verifying USB-C voltage [closed]

I have heard about some USB-C chargers frying tablets, phones, etc. If I ordered a generic charger online for price reasons, how can I can verify its voltage before using it with my Android devices?
0
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2answers
24k views

Samsung Galaxy Y GT-S5360 file transfer, USB not recognised. No USB options in Settings menu

I have a Samsung Galaxy Y GT-S5360 and I wish to transfer some audio files from it to my PC, running Windows 8. When I connect the phone to the computer with the USB cable, the phone beeps and begins ...
2
votes
2answers
11k views

(Re)boot an Android phone from USB

I own a Samsung Galaxy Note 1 (not rooted) and its lock button doesn't wrok anymore. That means I couldn't boot my phone if it happened to be turned off. But I need to restart it now because it's ...
0
votes
1answer
73 views

How do I auto sync files between my Android device and Windows PC over USB?

Is there a software that can auto sync files from certain folders of our choice between Android device and Windows PC(Like the Camera folder or Music folder)? I am tired of manually copying those ...
1
vote
0answers
37 views

How do I enable USB Tethering?

Data about my phone: Provider: Boost Mobile Brand: ZTE Model number: N9130 Baseband Version: N9130B01 Android Version: 4.4.4 Kernel Version: 3.10.28-g9a1fea7 : zte-kernel@Zdroid-SMT So today I went ...
2
votes
2answers
6k 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 ...
2
votes
1answer
3k 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 ...
0
votes
0answers
52 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 ...
1
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0answers
34 views

adb devices -l not showing USB qualifiers?

I've read in several places that calling adb devices -l will return the both the serial numbers and USB qualifiers for the attached devices. However, when I issue the command I only get the ...
0
votes
1answer
3k views

No USB storage mode for Asus MeMo Pad 7 to do Android development

I intend to develop with an Asus MeMo Pad 7, but I can't set it to detect as a normal USB storage device. In the Storage menu I have 4 options: MTP - to transfer images PTP - to transfer images ...
1
vote
1answer
90 views

Device file for USB controller/joystick not created

I've got an Android 4.1.2 device (OUYA) and a PSX-USB-Adapter with two Playstation controllers attached. Attaching it to the USB port makes the device show up in dmesg: <6>[ 331.002934] usb 2-...
0
votes
1answer
18 views

Memory Stick connection

Experia z3 with new marshmallow android has no option of sending data from the internal storage to a memory stick via USB cable. with previous android it was possible. Is there any way to send data ...
1
vote
0answers
46 views

ADB: how to use it over TCP/IP during USB accessory development

I'm using an evaluation board from Atmel (based on SAM D21 Cortex-M0+ MCU) for developing a custom Android USB accessory and related app. I'm new to Android development, but I understood I need ADB ...
19
votes
8answers
43k views

Drive letter for MTP connection under Windows

In Android 3 the connection to PC as Mass Storage Controller feature was removed. Is there a way to access MTP-mounted phone as a drive letter? I want standard file manager programs (e.g. Total ...
0
votes
0answers
49 views

adb over tcp/ip doesn't work

I connect Android Samsung phone to USB host of my developer machine and type prompt>adb devices List of devices attached 80bf631f device prompt>adb tcpip 5555 restarting in TCP mode ...
1
vote
4answers
5k views

Connect a USB soundcard to an Android phone? And use it for videos?

Is it possible to connect a USB soundcard to an Android phone, with an USB OTG cable? ... and then use this USB soundcards's stereo input as audio when making a video with the phone?
0
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1answer
69 views

Install android on windows 8 tablet

I have a Windows 8 tablet (an Asus VivoTab) and I want to dual boot it with android but I am having a rough time figuring out how to flash the android iso to tablet. It has no cd, usb or microSD port. ...