Tagged Questions

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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0
votes
1answer
588 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?
0
votes
2answers
3k 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
votes
1answer
75 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
10k 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
3k 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
vote
1answer
4k 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 ...
1
vote
1answer
455 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
votes
1answer
120 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
votes
1answer
122 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
votes
5answers
8k 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 ...
10
votes
4answers
5k 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, ...
0
votes
0answers
152 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
618 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
479 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
157 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
781 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
551 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
13k 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
4k 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
150 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
242 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
974 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 ...
5
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
762 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
384 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
334 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
50k 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
353 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
378 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
3k 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
25k 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
100 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
248 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
6k 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
522 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
700 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
916 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
16k 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?