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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3answers
19k 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 ...
0
votes
0answers
487 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
103 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
368 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 ...
1
vote
0answers
339 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 ...
6
votes
3answers
11k 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 - ...
1
vote
0answers
517 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.
0
votes
1answer
350 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?
0
votes
1answer
58 views

how can i connect the usb cable from my lg p350g into my computer to transfer its stuff?

i have done it before but the notification does not appear its charges my phone but cannot connect the phones internal SD to my computer. Please help
2
votes
1answer
4k views

Do not auto-mount Samsung Galaxy S4 Mini when USB is connected

I had an HTC desire phone, before upgrading to a Galaxy S4 Mini. I have run into an annoying problem. On my phone (not on the SD Card), I have private data, including an RSA key, which I use to SSH ...
4
votes
6answers
20k 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 ...
4
votes
6answers
51k views

Why can't my laptop detect my 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 ...
0
votes
2answers
5k views

Nexus 4 problems connecting usb mtp

I recently bought a Nexus 4 and I encountered a real issue with my computer (Windows 8 Pro 64 Bit) not being able to connect in USB mode. It does however work with Camera PTP mode, which I find very ...
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, ...
2
votes
1answer
4k views

Samsung Galaxy S3 Won't recognize USB

When i got my gs3 i plugged it into my computer (Win 7) and drivers installed automatically. everything was perfectly fine i was able to access both sd and phone from my computer. i took it to ...
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 ...
2
votes
0answers
244 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 ...
1
vote
0answers
99 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 ...
0
votes
2answers
2k views

Nexus 7 can't connect to PC

When choosing MTP or PTP, the box is checked, then when I exit the screen and go back to the USB Device Settings screen, my previous choice is not seen, and both boxes are unchecked. It's like the ...
0
votes
2answers
4k views

How to enable SD MSC mount in Jelly Bean?

Since upgrading to CyanogenMod 10, the dropdown notification when I connect my phone to the computer no longer appears. How do I mount the SD card via USB MSC in Jelly Bean? Note that the drive still ...
0
votes
1answer
838 views

My Nexus 4 always recognised as ADB device instead of MTP

I plugged in Nexus 4 to my windows machine(XP Service Pack 2) and it didnt recognise or install any software automatically. I downloaded some ADB drivers from google and now it shows up as recognised ...
1
vote
1answer
228 views

How do I mount my phone?

I'm super puzzled because my phone used to just appear when I plugged it in. It doesn't anymore and The development options are definitely set to allow USB debugging. The phone is charging via USB but ...
1
vote
3answers
11k views

Can't access Samsung Galaxy S2 (GT-I9100) storage?

I'm using Samsung Galaxy S2 and I was able to access its storage before. But now, it does not appear in My Computer anymore. I tried reconnecting it and even restarted both the S2 and my PC but to no ...
1
vote
1answer
785 views

*#7284# not launching phoneutil

My tablet is not getting connected through USB. It's showing me the error" "USB device not recognised" On one forum I read to dial *#7284# and it will launch Phoneutil. But in my case it's not ...
3
votes
1answer
4k 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 ...
0
votes
1answer
211 views

My SGS3 is recognised but does not connect or transfer files, not even a backup!

My SGS3 is recognised -- but it does not connect or transfer files, not even a backup! I have tried everything from numerous cables to different PCs & even a Mac (because I'm a Mac user). I've ...
0
votes
1answer
821 views

I cannot use a USB cable to access my version 2.3.6 phone's SD card with Ubuntu 12.04 LTS

I have a problem. Googling shows that other people have similar problems, but unfortunately the solutions that worked for them didn't work so me, so I'm going to have to ask myself. I have a (rooted) ...
0
votes
1answer
4k views

How to enable USB connection mode on Samsung Galaxy Fit?

How to enable USB connection mode in Samsung Galaxy Fit mobile? When I connect my mobile to laptop via a data cable, I am unable to transfer data between PC-mobile and mobile-PC. The option "USB ...
1
vote
0answers
207 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 ...
7
votes
4answers
18k 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 ...
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 ) ...
0
votes
1answer
1k views

Android USB “Disk Drive” disappeared on HTC EVO V 4G (Virgin Mobile)

I'm not sure if it's a result of the recent upgrade to ICS 4.0.3, but when I connect my USB cable to my Mac, I no longer see the "Disk Drive" option on the Android. My only choices are: Charge only ...
2
votes
0answers
452 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 ...
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 ...
0
votes
2answers
226 views

SGS3 USB not connecting to PC

I have a Samsung Galaxy S3, running Android 4.1.1. I am having problems connecting the phone to my PC. I can connect other S3 phones to my PC. So, I presume that it is not the PC (Windows 7) that has ...
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 ...
2
votes
0answers
461 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 ...
1
vote
1answer
5k views

Galaxy Note II USB connection not working

On my Galaxy Note II (android 4.1.1), any time I try to connect to something over USB, it doesn't seem to want to connect. Specifically: -iSyncr gives me errors connecting; so does Android File ...
2
votes
0answers
197 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 ...
0
votes
1answer
1k views

How do I get my Android Phone to connect its internal SD to my PC via USB?

For some reason my Galaxy Y GT-55360T phone running Android 2.3.6, won't connect its SD card to my Ubuntu 12.10-running PC when I plug the USB cable into it. It did before, I have no idea what I did ...
0
votes
1answer
405 views

Samsung Android device is listed as modem under Windows, but want it as mass storage device

When I plug in my Samsung phone it puts it under devices and printers it says that it is a modem. It reads Samsung CDMA technologies. I don't know how to get it to detect as a drive so I can put music ...
1
vote
1answer
465 views

UMS protocol on Android Tabs

I'd like to have a android tablet on ics which allow UMS (usb mass storage) I saw that some of the current models didn't propose UMS (like galaxy tab 2 or google nexus), only MTP. It sounds like a ...
1
vote
1answer
849 views

Unable to Connect My HTC Desire SV to My laptop: Unknown Device

When I'm connecting my HTC DESIRE SV I'm getting a message USB Device Not Recognized One of the USB devices attached to this computer has malfunctioned and Windows does not recognize it. ...
2
votes
2answers
5k 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 ...
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vote
1answer
1k 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 ...
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 ...
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2answers
2k views

What is the difference between USB Mass Storage and USB Debug mode?

I am familiar with USB Mass Storage mode . How exactly is USB Debug mode different from it ?
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3answers
3k views

Restore deleted photos

I accidentally deleted the entire "downloaded" album full of pictures from my Samsung Galaxy S2 (SPH-D710) and am trying to use a recovery program I downloaded. My phone will not show up as a ...
1
vote
1answer
7k views

Hardware ID missing on Galaxy S3 after Windows update

A few days ago I accepted Windows Update's Samsung drivers for Galaxy S3 running rooted Jelly Bean. It worked fine as USB MTP device until then. Now, every time I connect the USB cable I get the ...
2
votes
2answers
2k views

Connecting Galaxy S2 ICS to Kies

I tried connecting my Samsung Galaxy SII(ICS) to Samsung Kies 2.0.2 through USB. But whenever i connect the cable, Kies asks me to switch the phone to Kies Studio mode. But I could not find this mode ...