An Android device can be connected to a computer via USB using different connection modes such as "MTP" or "USB Mass Storage". If you have issues with those, this is the right tag to use.

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20
votes
16answers
93k views

Samsung Galaxy S3 not connecting via USB

Since about a week, my S3 doesn't connect anymore via usb to any computer. I don't think it's driver related as it was working before and I didn't change anything on the computers. It now runs Jelly ...
12
votes
7answers
1k views

Can I turn my Android device into a webcam?

If so, how? Could it be implemented via a USB, Bluetooth or Wi-Fi connection?
12
votes
3answers
25k views

SD card not showing files when connected to pc

When my phone MOTOROLA G3(2015) is updated to Marshmallow, its not showing files when connected to PC. While connecting, it shows options as charing only, PTP, MTP, MIDI. When I select MTP, it shows ...
9
votes
5answers
108k views

My Samsung Galaxy 3 (GT-i5801) is not being detected by my PC — What should I do?

I have a Samsung Galaxy 3 (GT-i5801) Android phone. Currently, my phone is not being detected by my PC. Initially, when I purchased this phone, I was developing applications and I was able to run the ...
9
votes
5answers
96k views

Can I get my car's head-unit to play audio, via USB, from my Galaxy S3?

I've just moved from iOS to Android, purchasing the new Galaxy S3. Lovely phone; I'm impressed thus far. The only thing that I'm struggling with is playing audio, via USB, to my car's head-unit. ...
9
votes
1answer
13k views

How to mount disks of a Samsung Galaxy in a Linux System (connected with a USB cable)?

I have connected a Samsung Galaxy S i9000 to a Linux machine over the USB cable. How can I access the disks of the galaxy from the linux machine through this cable (and not through wireless or by ...
8
votes
4answers
35k views

Nexus 4 not getting connected to PC

Some days back, My nexus was getting connected to the computer. But yesterday I discovered, it is no more like that. It is only getting charged via USB connection. No notification of connection ...
8
votes
1answer
15k views

Can I disable MTP mode and just have a regular USB connection?

I have a Galaxy Tab 10.1, and it's been rooted. Whenever I try to connect it by USB, it goes into MTP mode, which isn't working for me when connecting to my Ubuntu Linux computer. I'd really rather ...
8
votes
1answer
2k views

How do I just charge (i.e. not mount for data transfer) a Galaxy Nexus when connected via USB to a PC?

I like to be able to charge my phone from any PC I happen to be using. With my previous HTC Android, I could default to "charge-only" and only switch it to "mount as disc drive" when I wished to, on ...
7
votes
4answers
55k views

Marshmallow USB connection type

I just flashed the Android 6 Image to my Nexus 7 (2013) LTE a few minutes ago. It was a clean flash, so I copied my files over to my PC. When I plugged it in after it booted, Windows detects it, ...
7
votes
3answers
9k views

Connect JUST as charging

With ICS my phone now ALWAYS mounts my SD card as an external drive when I plug it into a computer. Sometimes I just want power, especially if I am trying to play a game that's on my SD card. Under ...
6
votes
4answers
9k views

How do I disable the popup when I connect my phone to my PC via USB?

How do I disable the popup (the one asking me if I want to mount my SD card) when I connect my phone to my PC via USB? I've been told it's a feature of CyanogenMod but I can't for the life of me find ...
6
votes
8answers
52k views

How to prevent Galaxy S4 from connecting as “Connected as Installer” instead of “Connected as Media Device”?

I have my Verizon Wireless Samsung Galaxy S4's developer options enabled with USB debugging turned on. Whenever I connect it to my machine, it displays "Connected as Installer" in the notification ...
6
votes
3answers
21k views

Samsung Galaxy Tab-2 USB connection issue

I am working on Android application development, I want to run my application on Samsung Galaxy Tab-2 GT-P3100 but whenever I connect it with USB to the computer then it is not detecting. snapshot - ...
6
votes
3answers
8k views

Android 4 USB charge only

When I connect my Android 4 phone (Galaxy Nexus) to a computer using USB, the storage of the phone is automatically mounted on the computer. How can I connect my phone using USB for charging only? In ...
6
votes
2answers
12k views

What are my options for connecting my Android to Ubuntu?

I have a Samsung Galaxy S2 running rooted Jelly Bean 4.1.2. My computer is running Ubuntu 12.10. Before, in Android 4.0, I simply plugged the USB in, and a notification would pop up, and I was ...
5
votes
12answers
26k views

Galaxy Nexus won't connect via USB

So my Galaxy Nexus has been fine until now. It has been running Android 4.2 and it was going perfect, then like a day ago I go to plug it in and it just won't connect via USB. It charges on USB but ...
5
votes
3answers
33k views

Open command prompt to access folders of a USB connected Android phone

If I connect a Phone with my Windows 7 machine via USB, it shows up in explorer with a name e.g. Nexus 5. How can I open a command prompt and change directory to this device. For lettered drives, I ...
5
votes
6answers
58k views

Why doesn't my Samsung Galaxy S communicate via USB?

I discovered today that I cannot connect my PC with Samsung GT-I9000 any more: when I plug in the microUSB cable, nothing happens other than that the phone starts to charge. Earlier I got to see ...
5
votes
2answers
1k views

Default USB MTP for Android 6.0

I would like to have MTP selected by default (instead of charging) when I plug an Android 6.0.x device to a PC through a USB cable. What should I add or modify in the build.prop file of my rooted ...
5
votes
6answers
46k views

How do I mount my Samsung galaxy s4 on ubuntu?

I'm running ubuntu 12.04 and have a rooted samsung galaxy s4. The s4 is still 2 software versions back since I need to unroot to update and just havent had the time or energy to do all of the work to ...
5
votes
1answer
2k views

USB Mass Storage Not Working

I have spent a few hours trying to figure out why my USB mass storage function is not working with my laptop. Here's what I've done: Installed Android 2.3.2 (Pete's GPA12) Uninstalled, cleaned, and ...
5
votes
3answers
13k views

How to reverse tether without rooting?

Want to use PC broadband connection on the phone connected via USB [no Bluetooth or wifi] to surf on the phone or install app. The android device is running 4.0.4 and the PC running Windows 7 I dont ...
5
votes
1answer
27k views

How to turn on USB mass storage with JellyBean

I have a Samsung Galaxy Tab 2 7.0. I have files on an external SD card but I cannot mount the tab as a usb drive from my computer - I cannot find a way to turn on USB Mass Storage. How do I do ...
5
votes
1answer
1k views

Samsung GT-i9000 (Galaxy S), Android 2.3.6, MTP and Linux

Is it possible to connect this device to Linux workstation over USB using MTP mode? I've tried a few times using different tools but no success. GMTP just don't work, mtp-tools don't work reliably, ...
5
votes
1answer
673 views

Android USB data/power over audio jack

Is it possible to connect my Android (Droid 2 Global) to my PC using an USB->Audio converter? Square is able to interface with their device over the audio jack on Android. iPod shuffles are ...
5
votes
2answers
15k views

I can't see my device in Android adb list

I have LG G3 with android 5.0 lollipop and I want to connect it to my laptop with windows 8.1 OS (For using unity remote). When I connect my phone I can access to storage but I can't see my device in ...
5
votes
1answer
5k views

Galaxy Note 2: Disable MTP/PTP

When I connect my HTC Sensation (firmware: CM 10) to some PC I need to enter a passcode (to unlock the phone) and explicitly allow mounting as usb drive. But when I connect SGN2 it enables MTP or PTP ...
5
votes
1answer
3k views

Stuck in USB-debugging mode

I turned on usb-debugging on my HTC One X just to see if I could identify it when using Android SDK. Now the usb-debugging mode always shows up when I connect the phone to my Windows and Linux ...
4
votes
6answers
25k views

Nexus 5 not connecting to PC

I tried connecting it nexus 5 to my pc via USB. Although it shows as connected in my external devices and also shows up in My Computer, but when I try to open it and don't files to my phone, it just ...
4
votes
3answers
4k views

Android internet connection related problems?

We can USB tether and use android internet connection on PC but How to achieve following: 1. How to use pc internet connection on android device using USB cable on Windows machine? I can use my ...
4
votes
2answers
8k views

How do I mount a Kindle Fire 10.2.6 on my Linux computer?

I just acquired a newish Kindle Fire, software version 10.2.6. Normally when I plug a Kindle or any USB device into my laptop (running Ubuntu 12.04) I get a popup screen asking me what I'd like to do ...
4
votes
3answers
13k views

Trigger “mount as disk drive” (aka “USB Mass Storage” mode) from PC

I've got an HTC Incredible that I sync to my Linux box. I'd like the Linux box to automatically detect that the phone is attached (I can do that via adb wait-for-device), and then automatically put ...
4
votes
2answers
2k views

How Do I Keep My Droid X's SD Card from Mounting as a Drive in Windows?

Stock Droid X, running 2.1. I have the USB Connection mode set to "Charge Only". Whenever I connect the phone to my computer to charge, the SD card mounts as a drive in the computer. In the phone's ...
4
votes
6answers
120k views

Why can't my laptop detect my S3 phone?

I want to upload pictures from my S3 to laptop. There is no problem with my cable and laptop because my phone was able to charge when I connect my phone with the laptop. However, my laptop didn't ...
4
votes
1answer
12k views

Cannot connect Samsung Galaxy S2 to computer in storage mode via USB

I am trying to install an application (developed using Eclipse) onto the computer (I am using Windows XP). When I try to connect the USB cable with the phone, it starts to charge or starts the ...
3
votes
2answers
764 views

Messages on computer? [duplicate]

Possible Duplicate: How can I be informed through my computer if a new SMS is received? I have the LG Optimus One p500. It comes with LG PC Suite IV which is great. It allows me to download ...
3
votes
1answer
326 views

How to prevent VZW drive from mounting when I connect my HTC Incredible to USB

Since the Froyo upgrade, when I connect my HTC Incredible, with the USB settings set to "Charge Only" to my computer with a USB cable, the phone still mounts a CD type drive that will install HTC Sync ...
3
votes
3answers
44k views

How to switch from camera mode to media device?

Device: Samsung Galaxy S4 Android: 4.4.2 (KitKat) I can't switch from camera mode to media device when plugging the phone to my computer. How do I do this?
3
votes
3answers
20k views

Nexus 5 not appearing in Windows 7 Device Manager

At one point I had my Nexus 5 showing up in Device Manager on Windows 7 but now it will not show up at all. Background: I have Android SDK Level 22 installed I have run SDK Manager and downloaded ...
3
votes
2answers
2k views

About the android recovery mode

Question 1: what's the android recovery mode? Does it run a full linux kernel? Question 2: where the recovery.img is installed? (/somewhere_in_filesystem)
3
votes
1answer
72 views

How to use android device as display or terminal?

I want to use an android phone as a USB terminal/display for a headless system. The ideal user experiece would be: Plug phone to the usb port. System starts sending status info, phone displays it. ...
3
votes
4answers
17k views

How to transfer files from an Android phone to a Ubuntu PC by using a USB cable?

Im completely new user and inexpert. I made a video with the phone. How do l transfer it to an ubuntu pc? I plugged in the usb cable but apparenntly my pc does not see the phone. Thanks for help
3
votes
1answer
330 views

“adb devices” gives “no permission” when on charge-only

I've just updated my LG Optimus 4X HD from the latest stock ROM (4.1) to CM11 (Android 4.4). Access via ADB is only possible when either MTP or PTP are enabled; if I disable both, I only get: $ adb ...
3
votes
1answer
904 views

How can I access multiple user spaces from adb?

I am running KitKat on a tablet with two users: primary (owner) and secondary. I need to access a file generated by an app of the secondary user. When I plug the tablet into my (Ubuntu) desktop via ...
3
votes
1answer
2k views

Phone not mounting as a drive when “Connect USB storage” is clicked

I have a Samsung Galaxy S, using the default firmware (version 2.2). It is configured to select "Mass Storage" when plugged in via micro USB. When I plug the phone into the cable, I receive the ...
3
votes
2answers
1k views

USB host mode with class compliant audio interfaces

I have an HTC EVO, and it is my understanding that the hardware supports USB host mode. I am still working to confirm this, but even if it doesn't, I understand other devices do, and that the Android ...
3
votes
1answer
5k views

Switching HTC ONE M8 into PTP mode

I was wondering is it possible to enable PTP mode on the HTC ONE M8. I want it to work with photo software like iPhoto so I want to enable PTP MODE. I have looked in the setting but can't find ...
3
votes
0answers
3k views

Why is there no visible option for USB INTERNET in WIRELESS & NETWORK SETTINGS on my Nexus 5?

I own a Nexus 5 with Android KitKat 4.4.2. I have been trying to do reverse tethering without root as is supposedly possible from SETTINGS -> WIRELESS & NETWORKS -> MORE -> USB INTERNET. But I ...
3
votes
0answers
1k views

Samsung Galaxy S2 no usb connection

My Galaxy S2 decided that he would connect to PC anymore. The things that I tried: with 3 cables. on 4 computers. cache partition clean. restore to factory defaults. clean the micro USB port with ...