Questions tagged [usb-on-the-go]

USB On-The-Go (USB OTG) is a specification that allows USB devices (audio players, mobile phones, etc.) to act as a host, allowing other USB devices to be attached to them.

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How to use libusb1.0 in termux

I am trying to install mtkclient on my android device, but one of the required deps is libusb1.0. I've been reading that I may need termux-usb instead... But then the mtkclient source code would have ...
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USB hosting with UsbSerialForAndroid won't receive serial data [migrated]

I'm using an OTG cable to allow my 'moto-e6 play' (Android version 9) to be a USB host to an AdaFruit Trinket M0. Off the shelf, the Trinket repeatedly sends a serial text string as soon as it powers ...
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How to Connect external M.2 nvme ssd drive with OTG usb hub

Question How to Connect external M.2 nvme ssd drive with OTG usb hub I want to take constant nandroid backup of system userdata boot sdext2 external micro card through twrp recovery or any imaging ...
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prevent android device from creating folders on otg storage

I know similar questions have been asked, but I haven't found a satisfying answer yet. Whenever I connect a storage device to my phone, it creates the following folders on that device: Alarms ...
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Power down USB on standby

I've been using USB keyboard and / RFID readers on a tablet (Android 8.1.0 on Samsung GalaxyView2). If the tablet goes standby, they keep powered, draining the tablets battery fast. Is it possible by ...
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Android tablet says it's OTG compatible, but it won't detect other devices when plugged in

I have a proprietary tablet that's been secured. It's a mediatek mt8163, with Android 8.0. It's a "Managed Device" as android likes to call it. Anyways, I ended up being able to create a ...
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144 views

PIN locked Pixel with broken screen and USB debugging OFF, OTG keyboard doesn't unlock it

I got a Google Pixel 1 with a smashed dead black screen locked by a known PIN that I would like to recover some photos from. Nothing vital but now it has become a personal crusade to do it! The good ...
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100 views

Android with USB C Hub and charging not working

I would like to have my Android device (Alldocube iPlay 7T) to be charged and simultaneously have a few USB devices connected. Note - I'm new to Android - but needed this setup for a specific purpose. ...
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USB DVD player not found on S2

I have the following setup: samsung tab S2 with android 7.0 with usb OTG hub plugged in separate power supply for hub usb storage devices plugged into the hub are recognized The DVD player is a Yomao ...
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43 views

Use USB OTG mic audio device for audio input ONLY (use mic with headphones)

I want to record some audio using a USB mic and my OTG-supporting Android phone. The problem is, because the phone recognizes the mic as an audio input/output device even though the mic has no ...
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189 views

USB C hub and charging at the same time

I bought a USB C hub with charging integrated but as soon as I plug in the charging cable to the hub the other ports stop working and the phone only charges. The USB ports and ethernet ports stop ...
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Share internet through otg-ethernet from terminal

I know other threads already exist but none of them answer this specifically. My OTG ethernet cable works only when used as a client, i.e. when a DHCP server is recognized. I want to be able to share ...
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USB 3.1 gen 2 flash drive only works when connected through 2 adapters at the same time

Okay, this is a very specific question with very specific hardware, so I understand if there isn't an answer. I recently bought a USB 3.1 gen 2 flash drive with read and write speeds of 400MB/s, ...
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Completely broken (unviewing-untouchable) android screen - (known) patternlock - no google account

After my mobile screen fell I was asking if there was someway to draw my android lock pattern, I precise, pattern, NOT PIN, by using a keyboard, maybe typing corresponding numbers on the numpad... Up ...
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HDMI Input and charging dilemma

I'm needing to display an HDMI signal on an Android tablet. I can do it using an HDMI to USB capture dongle and the USB Camera Pro app, however I am unable to keep the tablet charged while it is ...
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USB ethernet goes to sleep, has to be reconnected to restore

I have an old Nexus 7 tablet running LineageOS that still works but has poor battery life. I've set it up in a fixed location with AC power instead. Its location has poor wifi so I've added a UGreen ...
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How to "allow USB debugging" without being able to click OK on dialog?

I have a Galaxy S8 Edge with a broken touchscreen, and I'm trying to recover files by remote controlling it. I can see only the top half of the screen and there is touch sensitivity in only the bottom ...
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OTG disconnects when screen turns off

I am using OTG external drive constantly. But it will always disconnect when the screen turns off. This causes data loss issues. I tried to find any related settings in system settings and developer ...
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Why does otg mount take long time on some mobiles? Can it be sped up?

I have an external 500GB SSD drive. I connected it to android devices via otg cable. It works fine. Once it's mounted, it's pretty fast. The only problem is the mounting time. At some devices, the ...
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If I plug a 1TB ssd drive to android phone via otg cable, will andorid system scan all media files in the drive?

I concern about performance a lot. Thus I have this question. If I plug a 1TB ssd drive to android phone via otg cable, will andorid system scan all media files in the drive automatically once it gets ...
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I have connected an OTG cable to my OnePlus device, but nothing happens. What to do?

This is a self-answer post written in response to a question where the user couldn't figure out why their well-functioning OTG device was not working on their OnePlus device. So, I have a OnePlus ...
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wrong checksum(sha256) when copying from exfat samsung t7 touch external ssd to android(galaxy s10)

I bought a Samsung t7 touch SSD(1TB), it works just fine with my computer. but when I copy some files(200MB<) from the SSD to my phone which is a galaxy s10 the files get corrupted, and sometimes ...
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USB camera not recognised

I wish to use a USB camera with a Samsung Tab S2 t813. I have the USB Camera Pro app installed, however when I plug in a camera, the app does not register the device. On two other Samsung phones with ...
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USB-C hub connection with OTG enabled smartphone

I want to buy a USB-C hub with USB-A ports. Is it possible to connect it with a phone like Nokia 5.1 Plus which has OTG. If it doesn't work with Nokia 5.1 Plus does it work with other phones?
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USB OTG flash drive as internal storage?

I happen to have a USB and an OTG that I got from a friend and I'm now low on storage due to apps size increasing because of updates.... SD cards costs a fortune in my place so I don't plan on buying ...
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How do I backup Internal Storage to PC or OTG Drive without it changing folder and file modified dates?

I'm on Android 11 and I want to backup my files to a drive but I don't want it to change the modified date for folders and files...
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Can Termux adb push file from unrooted phone to tablet via OTG cable? [duplicate]

Can I use Termux to send an app (APK file) via, e.g., adb push, from my unrooted Samsung Galaxy S10 phone to an unrooted Android 5.1.1 tablet via an OTG cable?
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Nexus 7 Android 6.0 Audio Output through USB OTG

I have a 2nd Generation Nexus 7 connected to my car. The 3.5mm headphone jack is not accessible the way i've mounted it and I have a power USB hub connected via an OTG cable with some devices ...
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TWRP won't select USB drive with USB OTG cable

I have a USB OTG type C cable with a flash drive connected to it. The flash drive is formatted with FAT32. The phone can see it, TWRP can see it, but TWRP can't select it. In TWRP I try to mount it ...
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How to properly propagate unmounting of USB OTG storage to all mount namespaces (rooted device)

This is a (spiritual) follow-up to the previously answered question How to bind mount a folder inside /sdcard with correct permissions?. Device: Samsung Galaxy Tab S2 8.0 ROM: LineageOS 16.0 (Android ...
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131 views

Reliability of Type C vs. micro-USB vs. SD card

I don't use cloud services. I just manually backup my phone using a rotation of a few SD cards I own, and when I have access to a family computer, I transfer what's in those cards to the computer, in ...
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267 views

OTG is not detecting in VIVO Y30

I have SanDisk MicroSD OTG and MiVi MicroSD to C-Type converter. I am trying to mount OTG in my VIVO Y30 but it is not detecting. I checked in Settings > Ram and Storage space, but OTG is disabled. ...
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Why Lenovo smartphone fails to support USB OTG?

alike questions: OTG support in Android Smartphones Connecting Android smartphone/tablet to PC and another device through USB hub How Does Android Detect USB Connectivity and More About USB "...
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54 views

How do I get a USB stick with an adapter to work with an Android phone (rather than a tablet)?

I have a USB stick that lights up when it is plugged in. I have attached it to laptops and tablets (with adapters), and it lights up and works well. When I attach it to cell phones (through the same ...
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How to make Ethernet work on Android over OTG?

I am trying to use an LTE modem connected to an Android 7 device over an OTG cable. The kernel recognizes the device and registers it with cdc_ether, but I am unable to use the connection from the ...
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188 views

How do I change the USB mode with a keyboard?

How do I change the USB mode and select an option such as MTP, PTP, MIDI or charging with only a keyboard? My screen is broken and I am trying to change the USB mode blindly using a keyboard? What ...
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53 views

How to see all partitions on an SSD

I have an SSD with 2 partitions (volumes? ) on it. I can R/W to both of them from my WIN10 PC. However, when I mount it on my Note10 , I can only see one of the partitions. Is there a way that I can ...
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Connect to wired network in Lenovo Vibe K5 using USB to Ethernet Adapter via OTG

It is possible to connect to the Internet through a wired connection in my smartphone Lenovo Vibe K5? I've bought a USB to Ethernet Adapter, model HB-T80, to use in my Lenovo Vibe K5 smartphone with ...
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2k views

Force USB Host Mode

I am trying to use an USB-serial device that has USB-A connector via USB OTG. How do I "force USB host mode" so I can use USB-A to USB-C cable instead of using OTG adapter? OTG works fine with other ...
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Super slow file transfer via OTG and system lag Android 9

So I'm using a new Lenovo TB-8505X with Android 9 and I've tried several file managers and still when I'm trying to transfer files to any of my USB sticks the speed is too slow, like one mb and even ...
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Why does Android sometimes eject the USB drive when connecting to power and how to stop it?

I've got an external micro SD card that I am connecting via USB to my phone for dashcam recording. However, I have noticed an annoying issue - if I start recording before I start the car, sometimes ...
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18k views

How to disable the OTG (USB) on Android 9?

I want to disable the OTG (USB) on Android 9. I coud control it on Android 6 by disabling a permission on the file android.hardware.usb.host.xml located in /system/etc/permission but it is not working ...
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449 views

Can OTG HUB charge with connected charger more than 0.5A?

I saw a video somewhere where man says that OTG HUB charges only 0.5A. Is there any superior OTG HUB which can charge more than 0.5A?
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If I use Type-C OTG usb HUB + micro Type-B adapter from Type-C, will OTG work through that adapter?

If I use Type-C OTG usb HUB + micro Type-B adapter which goes from Type-C, will OTG work through that adapter? I mean, like this + this.
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Double letters when using keyboard via OTG cable

I want to figure out where the problem is. Unfortunately, didn't find enough information to solve this. Android 6.0.
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337 views

How to know about MIDI controller via OTG latency on device?

I have both these devices. I read somewhere that Android doesn't support good latency for MIDI devices as iOS do. But when I connect MIDI device to Sony Xperia M5, it has high latency. If I connect to ...
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210 views

Is it safe to charge tablet from phone via OTG cable if tablet's adapter is 5.2V?

Is it safe to charge tablet from phone via OTG cable if tablet's adapter is 5.2V (a bit above)?
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How to know if USB drive was detected using OTG from dmesg output?

I am trying to get OTG to work with my phone (Samsung Galaxy Win SHV-E500L, previous question here) I have used an externally powered USB hub and connected it to an OTG cable connecting it to my ...
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Where is the mount point for a USB stick on Android 9?

I am working on IMX8QM with Android 9. I needs to configure usb stick on static mount point. Once USB stick detected, create sda1, after check I got: mek_8q:/sdcard # df Filesystem 1K-...
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756 views

Is there a definite way to know if my phone supports USB-OTG or not?

I have a Samsung Galaxy Win phone, rooted and with adbd insecure installed (using the link here). This is the information shown by the USB OTG Checker app: I have added the android.hardware.usb.host....

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