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.

learn more… | top users | synonyms

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
1answer
7k 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 ...
2
votes
1answer
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 ...
1
vote
1answer
64 views

Cannot connect my Moto X to Windows 7 PC

I cannot connect my Moto X to Windows 7, 32-bit PC via USB. After doing some research normal solutions people found were Enabling MTP in connection settings. Disabling USB debugging in Dev. ...
1
vote
1answer
72 views

How to turn on USB connection to PC

I bought a KingSing K5 Android phone, and there doesn't seem to be an option for turning on USB connection to PC (to transfer files). I have the Google USB driver installed on the PC, but when I ...
1
vote
1answer
2k views

HTC ONE - USB No longer recognized (but is charging)

I have a HTC ONE Google Edition on 4.3. I was in the middle of transferring some files to my phone over USB when Windows 8 locked up and stopped responding. Once I re-plugged my phone into the ...
1
vote
1answer
1k 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, ...
1
vote
1answer
5k views

Disable connecting USB as media device with Jelly Bean

I got a new update on my Samsung Tablet and I recognized a change / problem. I want to connect my Tablet to my PC without connecting as Media Device. I like to transfer Files from my Aclipse ( Java ) ...
1
vote
1answer
796 views

Applications installed get deleted after connecting USB to PC

I had installed quite a few applications on my tablet. But after I connected it to the PC for data transfer some of the applications got deleted by its own. I connected to the PC by plugging in the ...
1
vote
1answer
6k views

Successfully activated USB host mode using terminal emulator; now mass storage won't work

I have a Huawei u8160 running Cyanogenmod 7.2 . I've recently been digging into USB host mode and I finally activated it. However when I connect my phone to the PC it doesn't give me a notification ...
1
vote
1answer
1k views

Samsung Galaxy 3 (GT-i5801) is not being detected in Kies

Whenever I connect my device to my PC, it asks me on connection for the type of connection I want. If I select Samsung kies in the device it shows me connected, but in the kies it keeps connecting ...
0
votes
1answer
44 views

Phone connected as USB storage but PC can't connect to SD card

I have a Huawei Prism II, and my laptop is running Win7. When I connect it to my laptop's USB port, I get a notification that says "Connected as USB storage," but when I go to My Computer, the phone ...
0
votes
1answer
56 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
0
votes
1answer
99 views

My PC doesn't recognize my GTablet through USB

I have a GTablet GingerEdition. It has no OS, hence I need to install it from my PC, but when I connect the tablet to my PC I can´t see it as a USB device. The PC says that there are no drivers.
0
votes
1answer
308 views

Cannot connect Sony Xperia E15i to PC

I have a Sony Xperia E15i. When I try to connect it to PC, it shows USB Device not Recognized error. The phone doesn't have settings for USB connectivity. How can I connect the phone to PC?
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 ...
2
votes
0answers
221 views

How can I troubleshoot MTP on my Galaxy Nexus

My Galaxy Nexus 4.2.2 won't show up as a MTP device anymore. It looks like the phone is the problem, I want to debug the problem from that end. Like many before me, I tried everything, and then some ...
2
votes
0answers
432 views

Samsung Galaxy S 2 new software won't connect via USB with Mac?

My Samsung Galaxy S 2 just got updated software over the weekend and now it's completely different to use. I've nutted out most of it but it is no longer recognised by my laptop and I can't share or ...
2
votes
0answers
377 views

LG-P870 USB not detected in Windows 7

I'm trying to connect my LG-P870 to my laptop running Windows 7, so I can drop some music and contacts onto it. My software version is P87010i. I installed the USB driver (tried two versions) as ...
2
votes
0answers
188 views

How can I automatically set up Android as USB storage only when connected to my PC?

How can I set up Android to automatically act as USB storage only when connected to my computer (or other "known" devices), without asking additional questions? I want to have those questions on other ...
1
vote
0answers
234 views

Nexus 7 (2012) no longer connecting via USB Mac OS X

I plugged my original Nexus 7 into my Mac earlier today to build an application onto it for testing. It failed, and then I realized that the tablet did not appear to actually be connected to the ...
1
vote
0answers
308 views

HTC reverse tethering 4.1

with Android 4.0 everything was fine, but after upgrading to 4.1 I can no longer activate reverse tethering successfuly. Phone: HTC Desire X with 4.1 upgrade Root: no and don't want to PC: ...
1
vote
0answers
557 views

My Samsung galaxy ace duos s6802 not getting detected in downloading mode.Drivers are fine Kies installed

I have tried My Samsung Galaxy 3 (GT-i5801) is not being detected by my PC -- What should I do? But when I dial *#7284# there is no option to change mode from PDA to Modem or Modem to PDA. Is there ...
1
vote
0answers
323 views

How can show android tablet as a external storage to PC?

I want to send files to android tablet with a application from PC. - I can send files directly to tablet (2.3 android OS) PC see it as a external usb drive. - But i can't send files to tablet (4.2 ...
1
vote
0answers
391 views

Trying to go into Download mode, but goes to Recovery mode instead

Device: Samsung Galaxy S4 Android: 4.2.2 I can't get into Download mode. I have tried many options like removing battery solution, pressing Vol Down+Home+Power. I always get into Recovery mode.
1
vote
0answers
88 views

Ejecting a device connected via Android File Transfer

I recently upgraded from a device running Android 2.3 to 4.2. On my 2.3 device, I could use USB Connection Mode to automatically mount the device on OSX. When I first connected my 4.2 device, I was ...
1
vote
0answers
200 views

Connection between Ubuntu and Nexus 7 does not work well

Following the instruction in http://forum.xda-developers.com/showthread.php?t=2004182 (I also see many other similar guides online) The above method, shortly, is editing the file (Do not follow the ...
1
vote
0answers
2k views

Can't USB connect my Motorola Razr to Linux Fedora 16

I was trying to connect my Droid Razr to my laptop (Linux Fedora 16) using the USB cable that came with it. I was hoping that it be mounted on the file system just like a thumb drive but it never ...
1
vote
0answers
467 views

sd card keeps getting unmounted when htc sensation is being charged

i have an htc sensation and it keeps saying that the sd card has been removed when its still in the phone. it will also say that the sd card has unmounted when it is charging What is going on?
1
vote
0answers
4k views

Samsung galaxy s3 driver problem on win7 ult 64 bit machine

The Driver Problem. When I install the drivers and restart my system it will not pick them up, I have tried USB debug mode and normal mode it still won’t work. Even multiple installs of ...
1
vote
0answers
668 views

PTP (“connect as camera”) no longer working after update

After updating my Samsung Galaxy Nexus to Jelly Bean, PTP no longer works: When I connect the phone via USB to my MacBook Pro and enable PTP on the phone, it does connect properly as a camera device ...
0
votes
0answers
11 views

couldn't connect Micromax doodle a111 to Ubuntu 12.04

Hi i'm trying to connect Micromax Doodle a111 Jellybean(4.1.2) to my pc Ubuntu 12.04. Every time I tried to connect with PC it throws me Following error. Error mounting: mount: block device /dev/sr0 ...
0
votes
0answers
13 views

File Transfer Between Ubuntu 12.04 and S3 over usb cable

I have been facing this issue long back still not able to transfer files between My Ubuntu system and Samsung S3. I have googled and tried many ways ( installing mtp tools, etc ) but none works. When ...
0
votes
0answers
40 views

Phone storage not mounted , after using USB storage shows “Application not installed”

Earlier when I used to connect my phone (A jelly bean 4.2.2) to my computer (OS: Ubuntu 12.04) both my memory card and phone storage gets mounted automatically, but recently only my memory card gets ...
0
votes
0answers
163 views

Connecting to PC's localhost without wifi via USB

I have a local server (XAMPP) on my PC. I'd like to test a local mobile site on that server. I do not have tethering as an option. At home, I can just use my local IP address and all works fine, but ...
0
votes
0answers
26 views

Why does rooting the LG Optimus 2X device fail due to connection unstability?

I have an LG Optimus 2X running Android 2.3. I am trying to root the device but I'm unable to do so because the phone restarts every time during the rooting process. After failure it shows that: ...
0
votes
0answers
78 views

Change mode to PDA

My Samsung Galaxy SGH-I537 does not open the Phone Util when I hit *#7284#. I found that *#0808# works to set the USB mode to RMNET+DM+MODEM, but need to set to PDA Mode and change the UART setting. ...
0
votes
0answers
43 views

exporting my list of contacts without using the tactile screen in a readable format Android 4.3

I have a problem with my friends phone. She has a Samsung Galaxy S3 and the display is broken, and not functioning any more. The phone is running Android 4.3. I would like to know if there is a way ...
0
votes
0answers
32 views

Troubleshooting tips when backing up and transfer files from my Samsung S3 to my PC

Troubleshooting when backing up and transfer files from my Samsung S3 to my PC (window 8) I am able to open up the transfer as normal, however the pictures or music are not downloaded or synced. I ...
0
votes
0answers
142 views

Can't connect to PC after changing my phone's charging IC

I changed the charging IC in my Galaxy Note 1 because of a malfunction. Now I'm able to charge my phone using the wall adapter, but I cannot connect it to my PC via USB. Now, when connected to a ...
0
votes
0answers
1k views

Cyanogenmod 10.2 crashes when trying to access storage settings

I have just installed CyanogenMod 10.2-20130727-Unofficial-i9300 and I am facing a problem with connecting to USB on Windows. Windows won't install drivers when I connect to USB (MTP USB device ...
0
votes
0answers
114 views

Why does MTP keep popping up on my laptop?

Whenever I hook up my Samsung Galaxy SIII to my laptop iva USB, the only connection that pops up is SAMSUNG mobile MTP device. When I click on that, no files pop-up. Also, when I connect, the software ...
0
votes
0answers
363 views

Galaxy S3 internal storage file system issue

Firstly, directories disappeared e.g. Download Secondly, when connecting a Windows 7 computer, Windows consistently shows only the SD card's filesystem without a single sign of the phone internal ...
0
votes
0answers
100 views

ADB No Longer Working

My Android device no longer recognises whether it is connected to a computer or not. I can connect it via USB, and it charges, but USB Debugging isn't enabled on the device. It is enabled in settings. ...
0
votes
0answers
352 views

unable to charge Google Nexus I9250

I am unable to charge my phone most of the times. When I connect my phone to the USB cable which is in turn connected to the computer or charger, most of the times (about 90 percent), I am unable to ...
0
votes
0answers
51 views

Problem with build number “full_mako_userdebug” on Nexus 4

On my nexus 4 i have build number "full_mako_userdebug", and when im trying to connect usb to my pc, i get nothing, in explorer nothing appears like a flash drive, also it fails when it tries to load ...
0
votes
0answers
1k views

Does rooting a Samsung Galaxy Grand Duos allow phone user to use the MSC (Mass Storage Class)

From my understanding, the Samsung Galaxy Grand Duos currently only allow user to transfer files through the miserable slow MTP (Media Transfer Protocol) connection or the PTP. Many sources ...
0
votes
0answers
408 views

PhoneUtil not working

I have a Samsung Galaxy S2, which I've NEVER been able to get my PC to recognise either wirelessly or with a USB. I tried #7284# and the screen briefly says "USSD code running" and then "Unable to ...
0
votes
0answers
387 views

cant change my usb mode from charging only to data transfer

I have an HTC Desire S with Android ICS installed. For some weird reason, when I connect my cell phone to the PC, I am not getting the options for usb tethering, data transfer or charge only. It ...
0
votes
0answers
1k views

Mobile detecting Laptop as “charger” instead of “USB Connected”?

From quite some months, I have been using a rooted Samsung Galaxy Y mobile phone. The battery life is not much and so, everyday whenever I am doing any work on my laptop, I just connect my mobile, so ...