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
162 views

View local website on an Android device

Web developer here. I have two devices, a Samsung Galaxy S3 & a Samsung Note 10.1. I have developed a website which is running on PHP and I would like to view my website on these two devices ...
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0answers
113 views

USB connection issues with Nexus 4

I've installed some app from Google Play called "franco.Kernel updater", which had an option to enable "fast charging" (the app claims it provides a custom kernel that saves battery life). After I ...
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0answers
28 views

How to stop USB charging? [duplicate]

I'm a developer so i plug in my device for quite a long time, so i think it might affect my battery life. Is there any way to disable usb charging?
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0answers
26 views

Display screen on [desk|lap]top

Is it possible to display the screen of my Android on a regular computer in a similar fashion as an emulator would ­– but with an actual device being displayed rather than an emulation? I am looking ...
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0answers
152 views

Losing connection to powered USB hub

Background (not a development question): I'm developing an application which allows multiple android devices to interact. I am trying to tether the phones through a powered USB hub to run some ...
0
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1answer
52 views

How to select a power supply for a given Android device

There are a variety of products on the market which provide a power supply for Android devices through the ubiquitous MicroUSB 2 port. These include adaptors for 12V "cigarette lighter" car DC power ...
2
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0answers
802 views

Increasing my phone's charging rate while tethered

I have a Samsung Galaxy S3 and a laptop with 2 USB 3 ports. When tethered to my laptop (to provide Internet access via GSM/HSPA data), the phone charges very slowly, especially if I am using it for ...
2
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2answers
2k views

Open command prompt to access folders of a USB connected Android phone

If I connect a Phone with my Windows 7 machine via USB, it shows up in explorer with a name e.g. Nexus 5. How can I open a command prompt and change directory to this device. For lettered drives, I ...
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0answers
274 views

How do I stop “USB debugging” mode auto-enabling and default to just charging in android 4.2.2?

I have an HTC one, running Android 4.2.2 overlaid with HTC Sense 5. I am trying to plug it into my car stereo. All I want to do is play audio from spotify via my car stereo (which wasn't a problem ...
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0answers
354 views

Nexus 5 USB not working on LinuxMint

I tried to connect my Nexus 5 to a USB on a LinuxMint (OS) PC. At first it worked; it asked me to choose MTP or something else. Now, it's not giving me any feedback. I tried resetting - still ...
0
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1answer
101 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 ...
0
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1answer
168 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 ...
0
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1answer
60 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 ...
1
vote
1answer
2k 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 ...
1
vote
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: ...
1
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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 ...
0
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0answers
389 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 ...
1
vote
1answer
351 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 ...
0
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1answer
73 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.
0
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1answer
84 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 ...
0
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5answers
2k 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 ...
7
votes
0answers
2k 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
136 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
votes
1answer
427 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
250 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
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1answer
135 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
748 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
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1answer
275 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
4k 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
2k 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
132 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 ...
0
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0answers
178 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 ...
1
vote
2answers
141 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
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0answers
866 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
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2answers
379 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
438 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
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 ...
1
vote
1answer
3k 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
227 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
1k 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
40k 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
182 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
251 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
307 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
855 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? ...