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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1answer
129 views

Make a device appear in ADB

I have a Zen Touch 2, a Cyclone Voyager and a Samsung galaxy Fame, all configured for USB debugging. I also have a laptop running Ubuntu 12.04, the standard ADB obtained from apt-get, and Fastboot ...
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1answer
336 views

How can I tell if I have mini port or micro port on my Android tablet?

I was given an Android tablet. I want to hook up a keyboard and a mouse. By looking at it, how can I tell if it has a micro port or a mini port?
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2answers
2k views

Samsung Galaxy S4 “Prevention Information” USB OTG

I am trying to connect things to my S4 with a USB OTG cable. Standard devices such as mass storage, keyboard and mouse all work fine. My problem seems to be with vendor class devices. I connected an ...
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1answer
67 views

Linux connectivity

I am wondering how to best connect Android smartphones with Linux boxes. The best thing would be a program like Samsung's Kies, but Samsung seems to target Windows and Mac OS. Is there such an ...
2
votes
1answer
5k views

Phone isn't detected via USB but still charges

My Galaxy GT-S5360 is not being detected via USB when I connect it to my PC. It still charges however. It used to work and there was a prompt to connect it to the computer but now it just charges ...
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1answer
2k views

Sony Xperia Z1 won't start up again!

As you may know, you have to backup the TA-partition before you put a custom ROM on the Sony Xperia Z1. I've backupped the partition with this .bat file: ...
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1answer
3k 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 ...
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0answers
430 views

USB OTG not working properly in Sony Xperia P (Android 4.1.2)

I don't know if anyone has faced this kind of problem before. When I connect my flash drive (San Disk Cruzer 8GB) to my phone (Xperia P running Android 4.1.2) via OTG cable, most of the time it's not ...
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1answer
402 views

Android 4.1 tablet Model M736 not recognizing keyboard when connected through 4 port usb hub

I am having a Belkin 4 port USB hub and an Android 4.1 tablet Model M736 made by Kocaso. I am trying to connect USB keyboard and a USB WiFi dongle to the hub and not able to see either of the ...
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1answer
97 views

Enable USB Audio out on ASUS Slider SL101?

I have an ASUS slider SL101, and I want to know how I can enable USB audio out. Running Android 4.0.3. I broke the headphone port, so I need an alternative. Solutions greatly appreciated.
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1answer
103 views

Safely “unmounting” USB for Galaxy?

I wanted to delete all of the music (not pictures or apps) off my phone, and I read that you should just plug it into the computer and delete them from there. I plugged it in, and though my phone is ...
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5answers
4k views

How to access media files (photos and videos) on Samsung GT-I9082?

I have a Samsung GT-I9082 mobile phone (Android 4.1.2) with lots of videos and photos. I want to move them from the phone to my notebook running Windows 7. I connected it via USB and selected the MTP ...
9
votes
4answers
3k views

Disable USB charging

For some reasons not related to the battery life, I need to disable the battery charging when a USB host is connected to my phone (a rooted Nexus 4). Taking a look around on the internet (link1, ...
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0answers
142 views

Disable Android USB Auto-Detect

I have an android 4.2 embedded system. When I connect a USB cool-disk to my device's USB port, it recognizes the cool-disk and works just fine. But then the LED light on my connected cool-disk keeps ...
0
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1answer
526 views

Can't install USB driver for Zopo zp300+ on Win7 64

When I enabled USB debugging in settings, an unrecognized device appeared in device manager: H9000+ Then I followed this: ...
2
votes
2answers
358 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 | ...
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1answer
145 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?
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0answers
762 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 ...
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1answer
391 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
9k 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
137 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 ...
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0answers
194 views

Cannot connect Micromax A57 Ninja 3 with desktop PC

Device: Micromax A57 Ninja 3 Desktop PC OS: Windows 7 I cannot connect my smartphone with my desktop PC using a USB data cable. It keeps on showing device driver software not installed properly. How ...
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2answers
197 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 ...
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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 ...
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2answers
579 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
2k 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
609 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
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0answers
365 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
1k 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
276 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
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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
46k 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
243 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
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0answers
273 views

Setup of secondary USB ethernet adapter

I brought a cheap combined USB hub + LAN adapter. The hub instead is USB 2 but I found the LAN adapter was only USB 1.1. So I went and brought an Apple USB ethernet adapter and plugged it into the ...
0
votes
1answer
340 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?
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1answer
3k 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.
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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
5answers
16k 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
994 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 ...
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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, ...
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1answer
980 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 ...
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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
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0answers
98 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
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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
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0answers
210 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
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0answers
477 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 ...