I tried everything from every tutorial about how to unlock my Xiaomi Poco M3 bootloader. I enabled OEM unlock, etc, rebooted into fastboot mode, but then the phone is not recognized in the batch unlock tool provided by xiaomi at https://en.miui.com/unlock/download_en.html Well, I found https://developer.android.com/studio/run/oem-usb where it lists this weird forum https://web.vip.miui.com/page/info/mio/mio/detail?postId=18464849&app_version=dev.20051 for the xiaomi, which contains a .rar file that when I install I get because the driver is not signed. I don't think I should disable driver signing on Windows, and I find this very weird. I also tried installing Android Studio and then google USB drivers through there, but I still don´t get the phone recognized on the miui unlock tool.

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 options, but no luck. I tried to disable battery optimization etc.. None of them works. Btw, I am running Andriod 10 (non rooted) (Sony model). Do anyone know how to fix the issue or workaround it? Thanks a lot.

I have logged the proc/asound/cards for sound drivers below. You can see the first one is before I attach the mic array, the second one is after I attach it at runtime, and the third is after rebooting the device. This is causing bugs in my applications, any help on fixing this would be perfect.

127|Tinker_Board_2:/proc/asound $ cat cards
 0 [hdmisound      ]: hdmi-sound - hdmi-sound
                      hdmi-sound
 1 [rockchipcdndpso]: rockchip-cdndp- - rockchip-cdndp-sound
                      rockchip-cdndp-sound
Tinker_Board_2:/proc/asound $ aplay -l
/system/bin/sh: aplay: inaccessible or not found
127|Tinker_Board_2:/proc/asound $ cat cards                                                                                                                                                                                                             
 0 [hdmisound      ]: hdmi-sound - hdmi-sound
                      hdmi-sound
 1 [rockchipcdndpso]: rockchip-cdndp- - rockchip-cdndp-sound
                      rockchip-cdndp-sound
 2 [ArrayUAC10     ]: USB-Audio - ReSpeaker 4 Mic Array (UAC1.0)
                      SEEED ReSpeaker 4 Mic Array (UAC1.0) at usb-xhci-hcd.1.auto-1.1, full speed
Tinker_Board_2:/proc/asound $ %                                                                                                                                                                                                                          lloydhussell@MAC-Y6XGW6XJ0H Dukebox-Android % adb shell
Tinker_Board_2:/ $ cd proc/asound/                                                                                                                                                                                                                      
Tinker_Board_2:/proc/asound $ cat cards
 1 [hdmisound      ]: hdmi-sound - hdmi-sound
                      hdmi-sound
 2 [rockchipcdndpso]: rockchip-cdndp- - rockchip-cdndp-sound
                      rockchip-cdndp-sound

The Killer 1650i Wi-Fi card in my Dell G5 5511 laptop died on me recently and I need to use my smartphone as a Wi-Fi adapter for a substitute without having to order a replacement Wi-Fi card. My phone I'm using is an LG V20 running unofficial Android 14 (LineageOS 21). Trying to switch it on while connected to my computer just turns it off immediately (as seen if backing out of the Tethering settings), but the notification and Quick Settings tile still reads that USB tethering is on. Reading the logcat for diagnosing this problem there is this: Tethering: ERROR could not enable IpServer for function RNDIS It's the error message with NO Google Search results. In fact that's such an undocumented error right there! Wi-Fi and Bluetooth tethering work fine. But with the Wi-Fi card dead or disconnected that means I can't use Bluetooth as another way to connect to my computer unless I have a USB adapter for a substitute of it. How the heck do I fix this?

When trying to update my Xperia Play with PC Companion, it fails to install the drivers for my device. I plug it in, it tries up until it says a problem has occurred installing the hardware. I've tried its recommended diagnostic advice, null. Edit: Just installed the update on another computer. It seems to work fine. If you don't have a spare, try a VM.

I am a Linux beginner, I just wanted to know how I properly download and use a "**Mediatek USB driver**". I am using a Linux Mint MATE, and I cannot turn on the USB debugging of that phone because it was locked via FRP. When I open it and go to the settings, I cannot activate the Developer options. I wanted to fix (or flash) phones for free, but I can't because I am not able to download the MTK USB driver, which is needed to help my PC communicate with the phone. It seems that all MTK USB drivers are perfectly fine for Windows, that's what I saw on the internet and tutorials on YouTube. The phone I currently reviving is; **Vivo y69** with a **MT6750** chipset which suffers from **FRP lock**. I have 2 working properly with "SP flash tools" with different versions, an official auth file, a scatter file, and a DA file. I just need an MTK USB driver. Every time I attempt to flash the phone, nothing happens. It doesn't show any lights it doesn't boot up and the progress bar on my PC does not show any changes. I hope you can help me because I have already searched the web and downloaded different files but nothing has worked so far. I'm desperate to fix the phone(s) to give them new value.

There is a USB GPT driver. One partition is hidden. How could I open that partition on an Android tablet? I know I can unhide that partition on Windows system. But can I open it on Android? Thank you for your help.

I came across this weird issue and wanted to share my findings somewhere. At some point in the installation process of Magisk , I was required to use fastboot on Windows 10 21H2. I proceeded and downloaded the adb plattform-tools + adb drivers . Previously ADB-related things of the instruction (like adb-shell) worked flawlessly. However during the usage of fastboot I encountered these issues: I tried different USB-cables, -ports and -drivers.. When I ran fastboot devices (or any other fastboot-command, it returned ???????????? (or an error) and the device restarted.. I was pretty certain that the device itself was fine, as well as the installation of ADB tools and driver. Nothing seemed to work and I only read about solutions like using a different PC, which was no option in my opinion.

We are trying to print Barcode using USB Barcode Printer from an android device. The available printer model is GODEX EZ520, we used printer-share app from Playstore and it detected the printer-device but they do not have supporting drivers for this printer. Do we need to write separate drivers for printers to print from android or Is there any other ways to connect android device and Barcode Printers via usb.

I'm on ubuntu 22.04 and I can connect over adb to my Samsung Galaxy A50, and do

adb reboot bootloader

it reboots to bootloader mode, but I can't use fastboot devices, it returns empty. Other phones work in this computer. lsusb shows Bus 001 Device 015: ID 04e8:685d Samsung Electronics Co., Ltd GT-I9100 Phone [Galaxy S II] (Download mode) All tutorials talk about a Windows driver, but what do I do for ubuntu?

How can I install the **Android ADB** drivers on a **Windows 8.x** **PC**/**Laptop**? I followed tutorials on the internet but nothing worked for me. >**PS:** The adb driver should be compatible with any **Android** smartphone.

I own an LG-K430T, and I use it to share internet with my Desktop PC through USB tethering. Or I did it for a year straight until today, when my PC isn't recognizing my phone anymore, neither on Windows 7 nor Ubuntu 18.04.2. It doesn't even allow to share files, since there isn't a pop-up(neither in the phone nor the PC), but the phone does charge. I thought it could be my USB cable that worn off, but using this same USB cable with my sister's Huawei, it does allow to share files/internet. Furthermore, I tried with 3 different USB cables and different ports, and my phone still isn't recognized. Then, I tried it on Ubuntu, and to my surprise, it's still not recognized. So, I think it's safe to say the cable isn't the issue, nor the operative system( Also, I restarted both the phone and the PC) Then , In ubuntu, I tried to enable USB debugging followed by lsusb and nothing yet. My phone was last updated in april 2019 and its android version is 6.0, so I don't have a clue about what's causing the issue, although I'd blame the phone.. On windows,I have tried to update drivers of the 'Unknown device' on Device administration, but it says they are already up-to date **EDIT: Answers to comments: lsusb output:** Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 007 Device 002: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode) Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 003: ID 1004:6344 LG Electronics, Inc. G2 Android Phone [tethering mode] Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 002: ID 04f9:0413 Brother Industries, Ltd Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 002: ID 04f3:0235 Elan Microelectronics Corp. Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 008 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub (THE LG PHONE THAT IS TETHERING IS ANOTHER ONE, DIFFERENT FROM THE ONE WITH THE PROBLEM). So, in short, lsusb doesn't recognize it. The MTP option looks already enabled **Further info** The other day a guy enabled USB debugging on my phone and got his computer to read its files!(He had a version of Windows). When I got home it worked too in my Windows! Then it downloaded some drivers and asked to reboot, which I did. After the reboot, I tried tethering and didn't work(The option to turn on was there, but when turned on, nothing happened). I thought it was because of the USB debugging and disabled developer options completely. Unfortunately, my PC stopped recognizing my phone. I said, "well, at least I can now share files..." but, surprisingly,when I turned USB-debugging back on nothing happened. Now, there is a difference which I observed between his way of activating USB-debug vs my way. It is that in his way the USB-debugging is shown active both on Settings AND in the Notification Panel(in a permanent way, i.e. it doesn't go if I press "clear all" notifications), while when I activate it,no message is shown in the notification Panel. He must have done it differently to give it more priority or something...

I have inserted an external USB Bluetooth dongle into a Tablet via the USB port and try to turn on the Bluetooth in the Android but fail. So, how does one know if the USB Bluetooth dongle can be supported for a tablet that has a USB port? (Given that the USB Bluetooth dongle has been tested to work fine in a desktop PC and there is no further information on the tablet manual on which Bluetooth dongle is supported for the tablet.) This is the problem with all tablets which do not have in-built Bluetooth support. Is there any application that can compile/root/install Bluetooth device driver to my Android tablet so that I can use it for headphones/file transfer, etc?

I purchased a Dragon Touch E70 tablet from Tablet Express. I am developing an app, but I cannot get Eclipse to detect the device. I can't find where to download drivers for this device either. Any ideas, or other ways to get the app on my tablet for testing?

so I just got my phone today and had it unlocked. So- it got rooted. I don't think that's the problem though. Anyway I tried to connect it to my laptop and HAZZAH- Nothing happened. It didn't get detected. For a second it was installing the driver then after that nothing happened. All I've been doing for the past 2 hours was uninstall drivers and reinstall them and nothing even happened. Right now I'm just using AirDroid, but since sometimes I don't have WiFi I really need the USB Cable thing to work. No idea what to do anymore. I also tried Kies, and it wasn't detected. Apparently my phone was incompatible. I checked and it was. So that really confused me. For some reason, when I go to **storage**, it doesn't allow me to go any "menu", since the menu button has now been replaced with a recents tab. By the way, it shows up in Devices and and Printers as an **unspecified device** and is named **SAMSUNG_Android**. If that is any sort of relevance. Just to clarify, I've done the following: 1. Restarted my phone AND laptop 2. Uninstalled and reinstalled the drivers 3. Changed which USB port it was in 4. Unchecked tethering 5. Enabled USB debugging If you are to help me and have any knowledge on what to do, or feel like I did it wrong, please let me know how to do so with step by step instructions. Thank you and have a good day everyone!

I have a Galaxy Note 2014 edition. I rooted the device in order to use a NTFS partitioned external HD. I followed all the instructions, used the root checker and everything is fine. When I connect the external drive it is recognized by Paragon but when I click "mount" it just flashes back to the initial screen of the app. Does anybody have a clue of what is possibly going wrong? (I've tried other apps such as stickmount, ntfs mounter and none of them worked. Thanks.

I have a problem related to connectivity between my desktop (Windows) and tablet (Android 4.1). I bought a new device (Colorovo City Tab Vision 7) and now I want to use it for testing of my applications, because emulation of android is very slow on my computer, although I forced it to create snapshot every run. I have downloaded SDK with Google drivers and also some unofficial drivers I found on web. When I connect my device, it first appears 'Other device' (label is CTVision7) and it's marked as unknown. I tried to install drivers (Google) for it, but windows said that they aren't suitable for my device, as it's not able to find them in specified directory. After these attempts I tried unofficial drivers. Their installation worked and now my device appears as Android phone, what seems to be good. But when I run adb devices or launch application in eclipse, there's no available device. I have turned USB debugging on, so it should work. Am I missing some step to make my device available for debugging, or are my drivers wrong? Is there any way to get drivers which surely work?

It would be cool to make android behave as if it's a real USB drive when connecting the device to TV and PC(s). So we don't get things like "Unsupported" and make many things possible. I tried doing some diggings and found it was pretty easy in older versions of Android according to this xda post due to USB mass storage. Since it was possible to emulate as USB drive, I'm sure it still is possible now. **In Android 4.4 I found a structure sys>devices>virtual>android_usb>android0>f_mass_storage. My guess is, this can be used for emulating USB drive(guess cause, I'm a total newbie yet to firefup Android studio and write code on it). But I can't find this structure on Android 10(f_mass_storage is missing). Is there there something like this in Android 10 or any workaround with it in Android 10? **mount my system file. Create a block device mmcblk1(not sure if I used the right term, like /dev/sda in Linux). Format it with USB alike file type( like /dev/sda1 in Linux ). And somehow direct to this location when a USB cable is connected to a TV or etc throught an app. Also do I have build a USB drive protocal here instead of Android default protocol?, it's kinda getting messy..... Am I with a wrong concept to pull this off? If yes, any advice how to do it? Also any reference/article related to it would be much appreciated (as mentioned, total newbie :/ )

In [Why can't Windows detect phones, even when the USB driver is installed?](https://android.stackexchange.com/a/232322/94084) , @Robert says: >And that Odin works at the same time is because Odin uses different drivers. From the perspective of your computer you have 3 USB devices, one for MTP, one for adb and one for Odin. One can confirm this by going to Device Manager → View → Devices by connection:  What are the differences between them? Are there any other kind of driver? And which one is the [Samsung USB Driver for Windows](https://developer.samsung.com/mobile/android-usb-driver.html) ?

I can't seem to get my RCA rct6773W22 (7 Voyager) tablet to be detected via USB and RCA does not offer any driver. If anyone has any idea how to fix this, I would greatly appreciate it.