Universal Serial Bus (USB) is an interface to communicate between the mobile device and the computer. This is for questions regarding connecting an Android device to a computer's USB interface.

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2
votes
2answers
426 views

adb shows devices as offline but system_profiler detects the devices fine

I have several devices (mix of tablets and phones) connected to my mac mini. Some of them are connected directly while some are connected by a good quality hub. $ system_profiler SPUSBDataType | ...
0
votes
1answer
150 views

Nexus 4 won't charge through laptop on low power

When my Nexus 4's battery is less than 5%, it won't charge while connected to my PC, but I can charge by plugging my Nexus 4 the wall adapter. I believe it is a hardware problem. Can you help me?
1
vote
0answers
773 views

how can i connect my samsung galaxy y s5360 via usb to pc by odin mode?

My Samsung galaxy y5360 operating system was gone.now i want to install Samsung by default software 2.3.6 Gingerbrade by Odin v1.85..but can't detect usb in my pc but also good in USB ...
0
votes
1answer
492 views

How to NOT charge when USB debugging? [duplicate]

I develop "on the road" using a laptop that's not connected to a power source, so when I debug on my android devices, they drain my laptop battery. Unfortunately, the laptop is a MacBook Air so spare ...
1
vote
1answer
11k 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 ...
2
votes
1answer
3k views

Problem copying files from PC to Galaxy S3 (slow or frozen)

I have a lot of difficulty copying files to my Galaxy S3. My goal is to sync my music from MediaMonkey to my GS3. When I connect the phone, the computer sees it but the connection is incredibly slow! ...
1
vote
1answer
147 views

Why are these short USB cables not connecting my Android device?

I have a Galaxy S2 and a Linux Mint laptop. For a while I was using a long USB cable, maybe 1 metre in length, to connect my Android device to my laptop. It worked fine, but the extra length was ...
1
vote
2answers
221 views

How can I pick the correct replacement usb charger for my phone?

My phone has a wall charger with outputs 5vdc and 850mA, which just broke (I saved the USB-microB cable which I've been using to charge from laptops). Unfortunately, OEM chargers of that particular ...
1
vote
0answers
1k views

Galaxy s2 is recognised by computer but doesn't charge

This is an odd one but today I noticed by S2 wasn't charging while plugged in. I tried connecting it to the computer and it came up as a media device as normal but still didn't charge, the battery ...
0
votes
4answers
789 views

Why does my Nexus 7 (1st gen) never let me copy my files to my PC?

I have a 1st gen Nexus 7 and I've been having trouble copying files to and from my Nexus 7. The first problem is that when I plug my N7 into my Windows 7 PC, using the factory cable, the device shows ...
4
votes
4answers
3k views

Linux fails to mount Android device in USB MSC mode

I wish to mount my Sony Xperia ST21i (Android 4.0.4) under Linux (Debian) via USB. However, I get this error: # mount /dev/sdb /mnt mount: no medium found on /dev/sdb What I did so far: On the ...
2
votes
1answer
707 views

printing solution on android which prints to a dotmatrix POS printer through **USB**

am newbie for android. I was looking for a printing solution on android which prints to a dotmatrix POS printer through USB. I'm able to print some non readable symbols from android tablet (through ...
0
votes
0answers
371 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
1answer
4k views

How to enable USB debug on Note 2?

No matter what setting I change, my Samsung Note 2 is always entering "USB media mode" instead of "debug mode". I have the USB debug option set and the Google USB driver from the SDK installed, but ...
1
vote
1answer
2k views

ADB/fastboot over Serial/COM ports?

Long story short, my phone messed up and it's stuck in a bootloop. The phone in question is a Coolpad 7560U, also known as Orange Nivo, running Android 4.1.2 Jelly Bean. Data and cache wiping do not ...
2
votes
1answer
319 views

External harddrive case to spin-down drive when idle

I try to make external 2.5 hard drives automatically spin down when idle and connected to android devices. The device I have got in mind is a HDMI TV-Stick with USB connector. I tried a few ...
1
vote
1answer
2k views

Battery charging indicator and USB has, sort of, stopped working on my Samsung Google Nexus I9250

I know the battery is still being charged because 1) when I power off the phone while the phone is plugged into a USB connector the screen shows the battery symbol with a lightning bolt and then a ...
3
votes
2answers
49k views

Samsung Galaxy S4 USB Not Recognized by Windows 7

When I connect my Samsung Galaxy S4 (Verizon) with a USB cable to my work PC that is running Windows 7, my work PC recognizes it immediately. I see all my pictures, music, etc. When I connect my ...
3
votes
3answers
308 views

How to copy file from PC to android tablet?

When I connect the android tablet to windows 7 I get 2 external devices, one of them (H) doesn't open. When I open G:, I get this If I want to copy an app (adobe reader) to the tablet, to which ...
0
votes
1answer
359 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?
1
vote
1answer
4k views

Samsung GT-s6312 USB issue connecting to USB

My samsung GT-s6312 phone does not connect to PC. Even after connecting USB cable, it gives an error to download software.
0
votes
0answers
2k views

Connecting to COM serial port through USB with Putty

I am trying to use my android phone connected to my PC as an SMS gateway by executing AT commands. I have attached the phone to the PC (Windows 7), and device manager shows that it is in COM4 port. I ...
0
votes
1answer
1k views

My phone's screen died but it still works. How can I get the text messages from it? [duplicate]

People are still sending me texts even though I can't read them. I've gotta get a replacement quick, but I also need to get the important texts I missed. Is there any way I can get them through my pc? ...
4
votes
6answers
23k 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 ...
0
votes
1answer
1k views

Install application in SD card or external USB drive without root?

Is it possible any of the following in a non-rooted Android device? Install an application "manually" (without using Android Market/Google Play) Install an application in an external SD card Install ...
1
vote
1answer
2k 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
1k views

Is there a USB driver for the alacatel onetouch 983?

I have purchased an alcatel one touch 983 running android 2.3.7 for development purposes. So it is critical that I can view logcat messages and connect to it from eclipse via USB. But so far I have ...
1
vote
1answer
1k views

How to install apps into android device without internet connection? [duplicate]

I have: A Windows XP with internet connection. The .apk file in the computer. A USB cable. A rooted android device with sdcard. I do not have: WiFi connection for my android device. Any file ...
0
votes
0answers
99 views

Why the battery drain while plugged in doing nothing? (omap2_mcspi)

I usually leave my phone plugged in to the wall charger at night. This morning, to my surprise, the battery was not charged. According to the System Panel app, System Processes were taking almost ...
1
vote
1answer
2k 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 ...
1
vote
0answers
238 views

Why does my phone get crazy when plugged in to a specific PC?

Why is my Xperia J simply unusable when plugged in to a specific PC? The touch screen does not work, thinking that I tapped one icon or option when it was another. I am using MTP since MSC makes apps ...
1
vote
1answer
5k views

How to connect an android tablet with a laptop using a USB cable?

My AAkash 2 tablet has a mini-USB port and comes with a cable to convert the mini port to standard USB female port for connecting flash drives etc. I want to connect the tablet to a laptop using this ...
1
vote
0answers
503 views

Linux doesn't recognize Galaxy S 3

I've bought a Samsung Galaxy S 3 device today, but found out that I could not get my PC with Fedora 18 (Gnome 3) to recognize it (nothing happens when I plug it in). As file transfer etc is essential ...
0
votes
2answers
575 views

Why does charging leads to battery losing charge at times

I have a LG Optimus S Android on Gingerbread (The one on the cheaper side with least specs for an Android). I have found that when I use the USB charger connected to my computer, at times instead of ...
1
vote
1answer
833 views

Using USB peripherals with hardware debug

I have a developer tablet, and I also need some peripherals connected via USB to my tablet and debug cable at the same time. I tried to connect USB hub to my tablet using OTG cable, by got the problem ...
11
votes
7answers
13k views

Not all files are visible over MTP

I have LG L5 (e610 model) device with Cyanogenmod 10. When I connect the phone to a computer with Linux (I have mtpfs installed), I can see both internal storage and the SD card. However when I ...
0
votes
0answers
17 views

Samsung Note Tablet usb problem with external drive [duplicate]

I bought an usb connection kit for my samsung note tablet so that I can transfer files from my sea gate external drive but unfortunately, my tablet cannot read my external drive..why?
1
vote
0answers
229 views

Nexus 7 - USB Port & Headphone Socket

I sometimes experience a drop in sound in the left or right earphone of my headphones when charging my Nexus 7. Wiggling the usb cable in the port can bring back the sound, however yesterday the ...
0
votes
0answers
196 views

How can I fix phone corruption when using USB mass storage mode?

It used to happen in stock ICS and remains in CyanogenMod 9. Whenever I connect my phone to computer through USB using mass storage mode (MSC), my phone gets crazy. In ICS, I remember it used to mess ...
3
votes
0answers
710 views

How to mount two USB drives from same device on Android?

I'm wondering how I can mount two USB drives from a USB device on Android. I have a Garmin Oregon GPS device with a USB port. When I connect it to a Windows PC, I get two drives: one for the internal ...
0
votes
1answer
661 views

How can I mount my google nexus4 on linuxmint(nadia) computer via usb?

Also is it any different than ubuntu? UPDATE: Using gmtp, I still get the error from the terminal and gmtp crashes when i click on "connect". The gmtp says the following in the shell: Device 0 ...
3
votes
3answers
1k views

Why does my SD data get messed up when i connect to PC with USB?

Every time I connect my phone to my computer via USB (Huawei U8666E, Android 4.0.3) even after I've disconnected my phone, the following 2 things happen (that I can tell): My ringtone goes back to ...
1
vote
0answers
376 views

External HDD not recognized by tablet

I have an external 320GB HDD with Backtrack on it, partitioned as follows: -partition '/' ext4 -partition '/home' ext4 -swap -free partition fat32 The problem comes when I connect it to my tablet ...
1
vote
1answer
7k views

Install USB host drivers on Android ICS

I have a Desire HD running a custom rom: Android ICS 4.0.4. I ran USB Host Diagnostics software and connected my camera through a USB OTG cable but the phone does not detect the camera. I am thinking ...
4
votes
1answer
9k views

How to Retrieve SD Card Files via fastboot or recovery?

I have a Nexus 4 (LG E960) running rooted stock 4.2.2/JDQ39. The phone fell from a foot high and the screen cracked. The touchscreen no longer works. I have a full Nandroid (TWRP type) backup under ...
5
votes
1answer
341 views

How to mount both App and Phone Storage over USB for HTC Evo?

I can mount my HTC Evo as a USB drive on my Windows 7 machine. When I mount the drive, I see a DCIM/100Media file, but no photos from my phone are in it. (I'm wanting to transfer photos from my ...
1
vote
1answer
2k views

How to use an USB 3G modem data connection with an Android phone (Galaxy Nexus)?

I own a Galaxy Nexus phone and i'd like to know if there is a way i can use an USB dongle to provide it with an Internet connection. I imagine I will need some kind of adapter (and some Google ...
0
votes
1answer
926 views

mounting google nexus s on linux at fastboot mode screen

I have looked at similar questions but could find an answer. Device: Samsung google nexus s i9020 OS: Android 4.1.2 The phone mounts when the OS has loaded and when there is an option to enable usb ...
2
votes
0answers
27 views

Share Computer internet connection with my Google Nexus One [duplicate]

I want to Share Computer internet connection with my Google Nexus One using usb cable. how can i do this ?
0
votes
2answers
1k 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 ...