Questions tagged [usb]

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

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133
votes
7answers
217k views

How to set up reverse tethering over USB?

My HTC G2 phone is rooted and running Cyanogenmod 7 I don't have a data plan. Sometimes I want to connect the phone to the Internet when there isn't Wi-Fi, to update Market apps, backup SMS messages ...
2
votes
1answer
2k views

Why does MTP show wrong directory location? [duplicate]

MTP (Miserable Transfer Protocol) failed once again. After moving a directory to a different path, it is still on the same path as before according to MTP. I already tried re-plugging the USB port ...
15
votes
2answers
125k views

My screen got broken, how to see on the computer what I'm doing in my device?

My Android device screen got broken and I can't see what I'm doing. That's the only wrong thing with my device, the rest is apparently working OK. Is there any way to send my device screen to my ...
43
votes
4answers
268k views

Can I use my Android device as Wi-Fi Adapter for my PC (i.e. Tethering to PC through USB, but using Wi-Fi not Phone Network)?

I want to use my Android phone to connect a desktop (windows 7) PC to the internet via Wi-Fi (ie, not muching though my Data plan). Is this possible with the various tethering options out there? The ...
48
votes
4answers
115k views

Android phone “charging slowly”: How to make it faster

When I put my Android device to charge, the lock screen says "Charging slowly": Is it a particular software setting that tells Android to charge slowly? How to make Android charge fast?
10
votes
5answers
217k views

How to backup broken screen phone when USB debugging IS NOT enabled?

I dropped my Samsung S3. Now I cannot see anything, just a white screen with purple, black, and green lines. Before it blanked out, it wasn't recognizing my finger touch. Any idea on how or what to ...
33
votes
10answers
87k views

Drive letter for MTP connection under Windows

In Android 3 the connection to PC as Mass Storage Controller feature was removed. Is there a way to access MTP-mounted phone as a drive letter? I want standard file manager programs (e.g. Total ...
1
vote
1answer
2k 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 ...
16
votes
3answers
18k views

Are Android chargers universal in terms of power (Voltage, amperage)?

I would like to buy a car charger, wall charger and USB cables for my Samsung Intercept. However, $20 for a charger seems expensive and I want to avoid getting ripped off. The Samsung Intercept Manual ...
36
votes
10answers
155k 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.
23
votes
10answers
50k 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, link2)...
4
votes
1answer
767 views

How to select a Non OEM USB Type C charger or cable for my device?

Internet is replete with reports of problems of USB Type C accessories. Also reported here, Can a faulty Micro-USB cable cause damage to your device? How do I go about selecting right cable or charger,...
51
votes
6answers
401k 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 ...
27
votes
4answers
28k views

What is USB debugging? Can I keep it ON forever?

Sometimes I need to transfer some music from my PC to my Galaxy S2 and must always activate USB debugging. Then I think, can I keep it ON forever? I mean, Keep it ON for ever can give me a problem (...
18
votes
9answers
206k views

“MTP USB Device” driver error (screenshot) when connecting my Galaxy S to my PC in Kies mode — How can I resolve this problem?

I always got this error when trying to connect my Galaxy S to my PC in Kies mode. I can connect it as "Mass storage" with no problem. But I need to connect with Kies mode to get 2.2 (froyo), but I ...
6
votes
4answers
8k 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 ...
5
votes
1answer
13k views

Share WIFI from PC over USB

All the questions with similar titles are the inverse of what I want. I would like to connect my tablet (that is "blocked" on the Wifi) to my Windows 10 computer over a USB cable and have the computer ...
13
votes
7answers
2k views

Can I turn my Android device into a webcam?

If so, how? Could it be implemented via a USB, Bluetooth or Wi-Fi connection?
5
votes
1answer
12k views

How to enable USB “Audio Source” option on Android 9+?

A lot of screenshots in the Internet mention a 'audio source' USB configuration for Android. For example, this one from Google: However, I cannot see this option with my SM-A510F with Android 9 (...
1
vote
3answers
3k views

My phone's power button has gone bad. Can I use my computer to send a USB command to start the phone up?

I got an old phone: an HTC WildFire S. Everything works fine, except that the power button has gone bad. Can I start the phone from my computer over a USB connection somehow?
0
votes
1answer
538 views

Why are USB cables of two different OEM's different

The USB has various purposes for data transfer, movement of input and output signals for hardware like connecting an Android device to another Display screen (USB on the go), charging the device etc.(...
33
votes
4answers
64k views

Is there a way to see the device's screen *live* on PC, through ADB? [duplicate]

I am a vlogger and after getting HTC Desire HD, found out its camera was all I ever needed. However, I usually have to see myself while recording video, to control my facial expressions, and with a ...
8
votes
2answers
27k views

Android ADB connect to device with broken USB and no root

I've read through the thread below and come across 2 solutions for connecting a device with ADB. https://stackoverflow.com/questions/4893953/android-run-install-debug-applications-over-wifi/19940301#...
18
votes
2answers
7k 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 ...
11
votes
3answers
18k views

Micro USB cables that only charge but no data, no mounting etc (Samsung Galaxy S)

Not all cables seem to be created equal but I've never got to the bottom of why so many (cheap) cables I try only charge - no data. Anyone know why? Certain pins not connecting? I do know that longer ...
6
votes
3answers
65k views

Disabling MTP/PTP/all USB stuff except charging

Is there a way to disable all USB functionality except for charging? I don't really use MTP or PTP and would like to disable it if possible.
10
votes
3answers
99k views

How to use an Android device as bluetooth USB dongle?

Is there a way to use my android device as a bluetooth USB dongle without rooting it?
9
votes
1answer
199 views

Plugging phone into laptop charges laptop instead of phone

When I plug my father's Xiaomi 5X into my MacBook Pro, it shows up as a charger on the MacBook and I don't get the usual USB options on the phone. Tried it on two Macs with same result. Also tried my ...
3
votes
3answers
19k views

Get root or re-install the OS without a USB cable?

Usually, the guides for getting root or re-installing the OS on an Android device (I have a Samsung Galaxy S, which I'm mostly inetersted about) tell to flash the device from another computer through ...
14
votes
0answers
15k views

Use USB as network access for an Android device (reverse tethering)? [duplicate]

Possible Duplicate: How to set up reverse tethering over USB? Note I'm not talking about getting my PC network access through my Android device, I'm talking the opposite. I sit in a dead spot ...
8
votes
2answers
938 views

Other manufacturer's USB data cable for charging?

Is there any harm in using a USB data cable of any other phone (say LG) for charging up a Nexus S? "Any harm" here means will it adversely effect my battery life or the Nexus S device in any way?
4
votes
2answers
26k views

Is it possible to use external hard drives with USB OTG?

On some sources I have read that it is impossible to use external hard drives over USB OTG. Is it really impossible? Isn't there some kind of workaround? Update: Apparently ES file explorer can see ...
1
vote
1answer
739 views

How can I enable usb debugging on a broken phone?

My android mobile is accidentally broken. And the usb debugging is set to off. If I can enable it I could use it through visor in PC. But can't do it now. :( I don't have OTG supported too. My android ...
18
votes
3answers
76k views

Is it possible to boot an Android phone from a USB drive?

Is there any way to boot an Android phone* from a bus-powered USB drive**? If so, what are the steps to achieve this? * E.g. one with USB OTG functionality. ** E.g. a flash drive.
8
votes
6answers
68k views

Android ADB Shell Recovery Mounting

*Question: I need assistance mounting an Android phone's internal data using the Android ADB Shell while the unit is connected via USB and in recovery mode. How do I form a proper mount command? See ...
8
votes
2answers
6k 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 ...
22
votes
5answers
72k 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? ...
9
votes
2answers
31k views

How do I turn my Android into a USB Webcam?

I can turn it into an IP Webcam fairly easily using a myriad of apps + iSpy on the desktop. However, even with 2 gigabit wifi, framerate seems unreasonably poor. Therefore, I would like to plug in my ...
6
votes
7answers
38k views

How to get USB file transfer working on Oreo 8.1?

I always used to transfer files between my laptop and Nexus 5X phone. Upon connecting the USB cable, there used to be a notification thingy on my phone showing USB options, which was default on '...
20
votes
16answers
102k views

Samsung Galaxy S3 not connecting via USB

Since about a week, my S3 doesn't connect anymore via usb to any computer. I don't think it's driver related as it was working before and I didn't change anything on the computers. It now runs Jelly ...
11
votes
3answers
134k 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. ...
5
votes
2answers
23k views

Problem connecting Nexus 7 as mass storage device on Windows 7

I have an Asus Nexus 7 tablet, and was trying to connecting it in MTP (Media Transfer Protocol) mode to my Samsung Series 5 laptop running Windows 7 SP1 Home Premium Edition. I have a bunch of Android ...
5
votes
1answer
3k views

ICS and support for gamepad/controller devices

I own an Asus Transformer TF101 and finally the official upgrade to ICS has been released. I remember some ICS video previews where they said that ICS would have native support for gamepad/...
4
votes
5answers
26k views

Is there a way to stream all audio from PC to Android via USB?

My headphones socket on my laptop is busted, and I'm wondering if I can stream all the audio (every sound the PC makes) from my laptop to my Android, so I can use the headphones connected to the phone....
2
votes
1answer
10k views

Is there a way to run adb as host on android without root?

I have an android phone and an android tablet. Both not rooted. I want to use adb as host on the tablet and as client on the phone, using an USB-OTG adapter. I downloaded connectbot as terminal ...
1
vote
1answer
3k views

Will charging a phone with a different USB *cable* affect the battery life?

I recently realized that I've been using the wrong USB cable to charge my Moto X Play(2015) for probably a couple weeks. The phone is specifically designed to charge very quickly with its' default ...
11
votes
1answer
45k views

simultaneous USB-OTG and charging

I'm trying to charge my Nexus 7 2013 while using USB-OTG. I built the widely described Y-cable that does USB passthrough, grounds the sense pin (yellow lead) through a 100 k resistor, and connects ...
7
votes
7answers
36k views

How do I get my phone to connect the internal SD by USB?

I recently rooted and upgraded my Samsung Galaxy S2 to version 4, ICS. Since doing so, when I connect my device by USB to my Ubuntu computer, only the 12GB internal storage shows up on my desktop and ...
4
votes
5answers
9k views

File Transfer: How to transfer files betwen my Xperia Neo (Android 2.3) and Kubuntu Linux?

I have bought a Xperia Neo which runs Android 2.3 and I'm running Kubuntu Linux on my Laptop. I just connected the Phone using a USB Cable and set it to Mass Storage Mode. I expected to have the ...
4
votes
4answers
17k views

Why does my Samsung GT-i9000 not detect USB connectivity (not a driver problem)?

I have made several searches across many boards but failed at finding a solution for my problem yet, even though it's been reported by some. My phone was working fine for about a month, I was using ...