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 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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How to simulate mouse OTG input via USB without usb debugging?

The question is simple, the reason: A black screen phone, it is able to manage OTG connection, but as I don't see the screen is useless, and it's very hard to controll a mouse without seeing the ...
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43 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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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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Not enough power on USB-C for USB key or keyboard

I have a pocophone f1, unlocked but not rooted. I would like to plug USB keyboard or USB key with an OTG adapter but both are not detected. I deduce that there not enough power provided by the USB-C ...
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1answer
29 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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1answer
555 views

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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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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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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504 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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Lexar Jump Drive formatted using ntfs

I have a LEXAR JDFF 8GB usb drive that I borrowed a friend. Yesterday I discovered that they formatted the drive using ntfs. Windows does not pick up the device. Besides from that, the device is not ...
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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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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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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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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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111 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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Decrypting Android with broken screen

I have a full disk encrypted (pattern) phone running Android 9 (not rooted), sadly the screen is shattered making it impossible to put in the pattern. I need to recover some important data from the ...
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How to prevent android host from suspending a usb otg device?

I often try to use usb devices with android otg, and find that the device will so to sleep (screen powers off, turning off the screen is acceptable so long as the usb device doesn't turn off) and ...
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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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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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396 views

Is it possible to use 5Ghz OTG WiFi adapters on Android?

My phone is Xiaomi Redmi 6A. I cannot detect 5Ghz WiFi on my phone. Is there a way to use an external 5Ghz WiFi adapter(connected via OTG) to add 5Ghz WiFi capability? My phone is rooted, and I am ok ...
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Sandisk SSD USB not detected by Android

I have a Sandisk Extreme Portable SSD 500 GB. It works fine with Windows 10 but it cannot be detected by any of my Android devices. I tested with an Nokia 3.1, Sony Xperia Z3 Tablet Compact and a Sony ...
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2k views

How to disable USB OTG on Android 6+?

I need to disable the OTG (USB) on Android 8. I already did it on Android 6 by disabling a permission on the file android.hardware.usb.host.xml but it is not working anymore on Android 8.1.
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Enable OTG with a shell command

I'm running Android Pie on a rooted OnePlus 6, and I wanted to know how I can enable OTG with a shell command. I need this in order to automate some tasks. There is a setting that can toggle OTG, ...
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291 views

USB OTG not showing WiFi network even after drivers are installed in Android kernel

I am trying to connect to WiFi using a USB WiFi stick by making use of OTG on my Android Nexus 6. The USB WiFi stick has a separate AP. However, I am unable to see this AP in the list of available ...
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How to connect USB device to a phone doesn't have OTG

What are hardware and software difference between OTG support and non-OTG support devices (android)? Is there a way to connect non-OTG device with a pendrive (or other) via USB? Is there any hardware ...
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Is mouse and OTG can use in mobile which is in android version kit kat 4.4.2?

I have mobile Videocon z30 dart without touch digitizer which operating android version is kit kat 4.4.2 Can I use OTG or not in that mobile??
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950 views

How to change random filesystem label on USB OTG?

I am without PC right now, but I need to Format USB Drive (to FAT32 or Ext4) with Samsung S8 (Android 9) and change label. But I can't find any app that can do this. I can format USB drive in Storage ...
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Samsung Galaxy tab S3 not receiving power from otg y-cable

Sorry to be a noob, but im not skilled enough to see if this question has already been answered. Ive watched Youtube videos on how to connect an external HDD to my galaxy tab s3 using an otg y-cable. ...
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Force display cursor/pointer on Android

I bought a graphics tablet (Huion HS64) that works wonderfully with my S10. Only problem is that I can't see where I'm about to tap due to no cursor display. Is there any way I could force the mouse ...
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OTG cable one way only?

I have an OTG usb cable from male micro B to female type A. I use it in conjunction with a regular male type a to male micro b usb cable. So the type A-s are connected and there is a micro b male on ...
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OTG Android Wifi dongle

I need your advice. I have a Nexus 5x. I'd like to connect Wifi dongle with Nexus 5x to use larger antenna for wifi. Example product [Nexus 5x]--[Otg cable]--[USB wifi product] I tested with a usb-...
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Xiaomi blackshark android 8.0 can't connect to LAN Ethernet

ill buy LAN adapter with usb c to connect LAN directly to my phone but it is not working. What possible to do
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Not working with Reversing of USB/Micro cable with OTG cable

I am using usb otg cable to Android phone connect esp8266. For this, I am using usb-micro cable, and usb/otg cable. Working well with: Android phone -> OTG cable -> USB/micro cable -> esp8266 Not ...
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How to use the power provided by USB OTG?

I know that USB OTG supplies at least 5V of power. I am trying to run a small LED or other types of loads through the USB OTG, but I was out of luck! How to enable the power supply through the USB OTG ...
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232 views

Polish layout for physical USB keyboard in Oreo

Up until Android 8.0 / Oreo (haven't got chance to test this issue under 9.0 / Pie) there is no Polish layout for physical USB keyboard and writing Polish national letter (i.e. using Right Alt key) is ...
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External Hard Drive to Smartphone without additional power supply

I) Goal Use external hard drive without power supply - no hub either - to backup smartphone directly. II) Configuration Huawei Mate 20 Pro, this - I own this. USB C male to USB A (3.0) Adapter (i.e....
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How to prevent external USB HID devices enable without confirmation

Android support USB HID devices like keyboard and mouse. If you have a USB-C keyboard, or connect via a USB hub. The USB keyboard will have control to the system, without on-screen confirmation. I ...
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Only few files are visible from 5TB exFat external hdd on Galaxy S8+

I have a 5TB external storage with many RAW photos and videos. They are sorted by dates in folders and the hdd itself is almost full. When I connect it to my PC, it recognizes all files and ...
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Leagoo T10 (Android 6.0). Unable to connect to USB device

I have a Leagoo T10 phone running Android 6.0. I am unable to connect to a USB thumb drive using a USB type C OTG adapter. I am also unable to connect to my Canon SLR camera using the DSLR Connect ...
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USB DAC not working with Galaxy S9+ on Android 9

I just got a USB DAC/AMP for my S9+ and I can't get any audio to be sent over USB. Things I've tried: Updating from Android 8.0.0 to Android 9 Confirmed the cable is OTG Used Included OTG adaptor ...
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546 views

Android 7 Nougat onwards: hides USB OTG sticks from third-party file managers?

Third party file managers such as ES File Manager and RhythmSoft File Manager HD (others will be tested) do not show an USB OTG device. It does not even get listed. Only Android's pre-installed file ...
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2answers
11k views

How to connect a hard drive (with NTFS) to Android phone?

I have a Samsung device and I want to connect an external hard drive to it with OTG but the problem is the hard drive isn't readable om my phone. I searched the internet for a solution and I found a ...
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1answer
5k views

How to prevent Android from creating Android and Lost.dir folders on external otg storage?

If I either connect my Camera using a USB cable via OTG or inserting the SD card in a OTG reader connected to the phone Android creates automatically two folders: an Android folder an a Lost.Dir ...

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