questions regarding connecting an Android device via USB to e.g. a computer's USB interface

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30
votes
9answers
77k views

Why is charging from computer using USB slower than using an outlet?

And what is roughly the ratio of the charging speed in USB vs charger? My phone is Samsung Galaxy S, if that matters.
4
votes
3answers
5k 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
votes
3answers
194 views

Charge and USB keyboard through 1 USB port

I have a Samsung Tab E that only has one USB port. Can I charge the tablet and have a USB keyboard attached at the same time? I've tried a 3-way cable ( link to Amazon ) but it supplies power to the ...
0
votes
1answer
829 views

Android Transmit system audio over MTP

Here is what I want to do. If I plug in my Galaxy S4 to my BMW 335i, then I can browse and play music stored on the device just fine and the sound quality is excellent. If I play over the audio ...
0
votes
0answers
256 views

How do I use external web camera though USB OTG on Huawei Honor 6?

Built-in kernel does not come with USB Video support and when using sideloaded uvcvideo.ko the camera works very bad (image is distorted, the device often crash). I can barely get even single 160x120 ...
0
votes
0answers
99 views

new android with no sim card - trying to upload app - no device ip address

I'm running Ubuntu and have just installed android-studio and compiled a hello-world app. I have the phone (no sim card) attached with a USB cable. I want to run: adb connect "device ip address":...
1
vote
0answers
139 views

Need direction on best course of action with an lg16c with Kitkat

I have recently started teaching myself Android systems, and I'm not sure if I bricked or what happened. Now I could seriously use some direction as to the best course of action. Somewhere in the ...
8
votes
3answers
103k views

Connect an Android tablet to ethernet

I use tablet with Android in a professional environment and the it department doesn't accept to install wifi. My tablet need to synchronise with CSV file on a LAN share. I'm looking for solutions. ...
0
votes
0answers
16 views

Droid 4 ethernet adapter

Is there any way to get an ethernet connection working on a droid 4? Are there any MicroUSB to ethernet adapters that work well with the Droid 4? If so, which ones? Thanks.
0
votes
1answer
214 views

Nexus 4 shows up empty on Windows Explorer

I connected my Nexus 4 to my PC via USB. When I open the device in Windows Explorer, though, it's empty. I made sure to install an MTP driver. How can I access the file system of my phone? Edit: I ...
4
votes
6answers
36k views

How do I access my SD card through a Windows USB connection?

I'm trying to upload a simple PDF file to my Droid X Android 2.3 phone. I connected the cable and uploaded the file but I don't know which folder to put the file into. Android's PDF applications aren'...
1
vote
1answer
412 views

USB connection unreliable while tethering

Device: Galaxy Nexus Android: CyangenMod 11.0 (Android 4.4.4) The IT department of my company doesn't support access of Mac devices to its network, but it does for Android devices. So I would like to ...
2
votes
1answer
260 views

Update/Reset android firmware by SD Card. Verizon Samsung S4

I have a Verizon Samsung Galaxy S4 that was rooted on the 4.3 build with the saferoot method (I think, it's been awhile). I had since installed Xposed framework and installer, etc. I unrooted with ...
3
votes
0answers
66 views

How to get USB Game controller to work on rooted Xperia Z Tablet

I have a USB game controller I always use in my rooted Tecno Phantom Pad running Android 4.2.1 which works fine but can't get it to work on my rooted Sony Xperia Z Tablet running Android 5.1.1. I ...
1
vote
0answers
29 views

Samsung Galaxy S3 cannot be accessed by pc after root

I did this to my samsung galaxy s3 and it cannot be accessed by a pc using usb. Rooted android 4.2.2 using kingo root Installed TWRP Installed LiquidSmooth for galaxy s3 Installed GAPS Apparently ...
0
votes
0answers
32 views

USB HUB for tablet

I wanted to connect USB HUB to my tablet, because mine tab has only 1 USB port, so I bought an Usb hub and connected it to my tab, and then I connected for example a keyboard to one of the ports on ...
0
votes
0answers
40 views

I need to access the “system disk” on my Android phone from my laptop

I need to copy text messages from an Android phone to my laptop. When I look at the contents of my Android phone from my laptop through a USB connection I can only see and copy the "local disk" ...
0
votes
0answers
34 views

Soft Bricked HTC m8 after update, Need to recover data

I did an OTA update for my htc. But now its soft-bricked and my USB debugging is OFF. I am running stock everything. As far as I have checked I am S-OFF. My usb connection still works but HTC SYNC ...
3
votes
1answer
78 views

How to use android device as display or terminal?

I want to use an android phone as a USB terminal/display for a headless system. The ideal user experiece would be: Plug phone to the usb port. System starts sending status info, phone displays it. ...
0
votes
2answers
55 views

how to download pictures from sd card to phone?

I have a droid turbo and i bought a sd card reader to plug in an sd card from my game cameras into my phone so i can see these pictures without bringing my laptop to my cabin. But i cant find ...
1
vote
1answer
357 views

How to turn on phone from computer

I got an old phone, HTC WildFire S, which works perfectly expect one thing, the power button has gone bad. Can I start my phone from computer using USB connection somehow?
0
votes
0answers
122 views

Is there a way to remove all other USB options except charging?

Is there a way to disable MTP/PTP and all other USB options except Charging option from the Android system? I'm using LG G4 beat, Android 5.1.1 and i want to remove it for my new ROM that i working ...
0
votes
1answer
5k 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 ...
1
vote
1answer
197 views

Is it possible for a device to consume more power than it is wall-charging?

I have a 2012 Nexus 7 running KitKat. I have a hunch that it is not charging properly. Specifically, if the system is on and the device is plugged into the USB wall-charger, the battery indicator says ...
1
vote
1answer
7k 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

LG G Stylo won't recognize OTG Mobile Phone Connection

I bought a MXtechnic OTG Mobile Phone Connection so I could read SD cards from my trail cams in the field. When I plug it in to my phone by itself or even with my digital cameras SD card or even a ...
-2
votes
1answer
48 views

Why my pc usb discharge my smartphone?

When i'm using regular cable to my smartphone connecting to the electric in my house it's charging the smartphone fine. My smartphone is lg g3. But when i'm connecting my smartphone to my pc usb and ...
0
votes
1answer
197 views

How to get files from a Galaxy S6 Edge with Android 5.1 to a computer with Windows 10 by USB

How is it possible to transfer file over USB from an Android phone to a computer? Situation: Windows 10, Galaxy s6 Edge on Android 5.1.1. (I've read articles, followed dozens of tutorials, ...
-2
votes
2answers
56 views

Samsung S3 will not get detected by computer

I think my power plug is the problem. How can I make sure? PC's USB is working fine.
4
votes
6answers
25k views

Nexus 5 not connecting to PC

I tried connecting it nexus 5 to my pc via USB. Although it shows as connected in my external devices and also shows up in My Computer, but when I try to open it and don't files to my phone, it just ...
0
votes
0answers
16 views

Enable usb debugging on a non-functioning screen (S3) [duplicate]

My S3's screen got smashed a few months ago- and after replacing the screen twice, I bought the S5; and kept the old phone. For some reason, I just remembered about it and wanted to try and restore ...
4
votes
1answer
2k views

Questions about Samsung Galaxy Tab

I'm going to buy a Galaxy Tab and I'm hoping to find the answers here: Can I plug in a USB flash memory or an external hard-disk to Galaxy Tab via any USB Converter? Does Android 2.2 support VPN ...
1
vote
0answers
15k views

Samsung galaxy A5 USB Otg supported?

I have checked with few USB Otg checkers it said there are Apr are present in mobile. But i could not able to connect Pendrive. Many entry levels phones also have this feature. But this is recently ...
1
vote
1answer
5k views

Cannot Connect to PC. No USB Connection Notification Bar on Device (Samsung Galaxy Tab S)

I updated my Firmware to 4.4.2 using Samsung Kies, and had just notice it recently that I cant connect my tab to PC again. Usually, the there will be a notification bar on the device (like to choose ...
0
votes
0answers
89 views

Programmatic control over USB of Android Camera

Thanks for taking the time to look at this question. I'm trying to build an automated lab imaging solution that integrates with our information system, and am finding webcams too low-res, and SLR ...
21
votes
8answers
143k views

Use an Android tablet as a Wacom drawing tablet for a PC?

Since a nice Wacom tablet is a bit pricey, especially for someone like me who doesn't do much graphic editing, I was wondering if it is possible to use a tablet (i.e. my Nexus 7) as a Wacom-esque ...
0
votes
0answers
67 views

PANASONIC USB connection problem

sir! i am using Panasonic phone. when i'm trying to connect my phone to PC using USB cable,i don't get any notification regarding USB connection neither on phone screen nor on PC. i can connect any ...
1
vote
1answer
477 views

Slow charging, random wake-up and dead USB connections

My phone, Asus Zenfone 5 (A501CG), takes too much of time to charge (6-7 hours). Also, the screen wakes up randomly every 5 seconds (approx.). The phone doesn't connect to a PC (it's not recognized) ...
0
votes
0answers
26 views

I can use a USB keyboard and mouse with my phone but no terminal app will use them

I have a Samsung Mega (SPH-L600) and I have it working great with USB Keyboard, Mouse and HDMI monitor by using this: . However, I cannot find an SSH client that will use the keyboard exclusively. ...
0
votes
0answers
62 views

USB device exceeds power limits

OK, the android studio really drive me crazy. At first, AVD cannot launch and I have post my issue here to http://stackoverflow.com/questions/33417842/avd-not-running and failed to create new ...
0
votes
0answers
38 views

How do I get files from my USB to my Nexus 10 and vice versa?

So, I have some videos on my USB drive that I would like to watch on my Nexus 10, but I do not know of a way other than using an online file storage site with an app equivalent (such as Dropbox or ...
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 ...
0
votes
2answers
3k views

Mirroring PC screen to android via USB

There seems to be slight variations of this question that have been asked to no avail, but is there a way to mirror my pc desktop to my android device STRICTLY using a USB cable? I've seen may ...
0
votes
0answers
61 views

Unable to enter fastboot on Rikomagic V5

I am trying to use fastboot over USB from my Mac on a factory unlocked Rikomagic V5 stick PC. This device has no power or volume buttons, but it does have a little inset pushbutton that can be used ...
1
vote
0answers
37 views

Why isn't my Moto G showing up on my lapto

Moto G not showing up on PC. But gets charged all right. Tried changing the cable and plugging on another PC. Out of luck. Turned on USB debugging. Still isn't working. Any ideas?
5
votes
4answers
60k 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 ...
22
votes
5answers
52k views

What's the difference between “sd card” and “usb storage”?

Under Settings -> Storage, I see entries for both "SD card" and "USB storage". What's the difference? What should I be using each of those for? In addition, how can I control what data goes where? ...
17
votes
2answers
5k views

Android USB reverse tethering: How to fool the apps

USB reverse tethering = Cellphone gets network connection from PC via USB. I know how to do USB reverse tethering except for one problem: Many Android apps will check network connection using the ...
0
votes
1answer
78 views

unable to connect samsung galaxy s3 via usb cable

I have a Samsung Galaxy s3 and I wish to transfer some audio files from it to my PC, running Windows 8. When I connect the phone to the computer with the USB cable, the phone beeps and begins ...
1
vote
1answer
116 views

Usb Speaker with External Power supply? S ll

I'm using a 2x3W yenkee usb speaker with my phone through an usb otg cable and it's working fine, but when I turn the volume up the speaker turns off.I assume it's because of the high power ...