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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13
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3answers
33k 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 ...
1
vote
1answer
756 views

Android 6: connect as camera per default

When I connect an Android 6 phone with my pc via USB, it always connects as "USB for charging". I have to set it to "connect as camera" (PTP) manually (for ADB to work) every time. Can I set a ...
9
votes
5answers
109k 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 ...
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 ...
7
votes
4answers
61k 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, ...
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 ...
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 ...
1
vote
3answers
4k 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 remove-...
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?
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 ...
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 ...
20
votes
16answers
94k 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 ...
5
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 - ...
2
votes
0answers
340 views

Browse file system from PC in marshmallow [duplicate]

I have a LG Nexus 5 with android marshmallow OS. I used to be able to connect my phone to a PC running Windows 10 with USB cable and browse the files from the PC's file explorer. Ever since I upgraded ...
5
votes
2answers
2k 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 ...
3
votes
1answer
356 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
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
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 ...
1
vote
1answer
675 views

How to know if phone has been connected via USB? (connection log on the phone?)

I'm trying to find out if someone has connected the Android phone (Samsung Note 4) to the PC via USB. Is there a log somewhere on the device showing the timestamp of connection? Preferably without ...
0
votes
2answers
2k views

How to connect Samsung J7 via USB but disable charging?

I would like to know if is it possible to connect my smartphone to a pc via USB without charging it? It would be very useful to be able to disable charging (but still allow USB tethering, ADB ...
5
votes
6answers
59k 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
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 ...
6
votes
2answers
13k 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
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 ...
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 "...
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 ...
4
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 can'...
2
votes
0answers
385 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
2answers
6k views

My Samsung Galaxy S doesn't recognize when it is plugged in to USB

When I plug in my Samsung Galaxy S (Model SAMSUNG-SGH-I897, Firmware 2.2, Kernel 2.6.32.9, Build FROYO.UCKB2) to a computer, it starts charging, but does not recognize the USB connection for data. 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 ...
1
vote
1answer
102 views

Access to Android phone's SD card from PC, without USB

This question is classical: how to access the phone's SD card from PC? Of course USB works very well, but I'm looking for a wireless solution. I've already tried various apps and solutions, but very ...
1
vote
1answer
630 views

How to disable MTP and PTP file sharing via USB on Android 5?

For privacy and security reasons I'd like to disable MTP and PTP on my phone. I recently plugged my phone into an inflight entertainment system to charge it, and was surprised to see that the status ...
0
votes
1answer
7k views

Pictures and videos disappear from my gallery after connecting via USB

All my picture and videos (whatsapp and DCIM) are gone from my gallery after connecting my phone (Samsung Note Edge) to my computer via USB cable and till now I cannot retrieve them. All my pictures ...
0
votes
2answers
5k 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 ...
-1
votes
4answers
6k views

When I connect via USB (Android to PC), it automatically starts charging. How do I transfer files?

According to what I've read, a 'File Transfer' window should open. Mine just says, 'slow charging'.