Develop Reference

"Waiting for any device" when attempting to fastboot Galaxy S8

I've been trying to install TWRP custom recovery on my galaxy s8 and haven't had much luck getting past this particular issue. After looking on several forums and watching pretty much all of the solutions on youtube I've resorted to posting my problem.
So, after enabling usb debugging and OEM unlocking I open up platform-tools in cmd prompt and type in the following:
adb devices - this is showing me that my device has been detected by my pc
adb reboot bootloader - this then takes me to the bootloader mode
fastboot flash recovery recovery.img - which presents me with "waiting for any device"
All the solutions that I've seen have something to do with the drivers but I believe mine is up to date after installing it manually from C:\Users\"My Name"\AppData\Local\Android\Sdk\extras\google\usb_driver
Any help would be much appreciated. Thanks

I have run into exactly the same issue on a Mi 11.
A working solution has been provided by Shendai on the GrapheneOS Discussion Forum (https://discuss.grapheneos.org/d/2753-trouble-installing-google-usb-drivers-w-fastboot-onto-windows-10/2).
For this, the usb/fastboot drivers for your phone need to be downloaded onto your computer.
To fix this, execute set devmgr_show_nonpresent_devices=1 in an administrator command prompt, then unplug the phone from the computer.
Next go to the Device Management on Windows and uninstall all drivers related to the phone. Connect the phone to the computer again, find the now unknown device in the device manager and install the drivers by browsing the computer for drivers and selecting the corresponding files.
After this, you can run adb reboot bootloader to enter the bootloader and fastboot devices to verify, that the phone is being detected.
Worked in Windows 11 with disabled driver signature enforcement.

Android Studio doesn't recognize any emulators

Android Studio is not recognizing any external emulators (phones) connected to it.
I have tried the following mentioned things without any success:
Installed the device driver. (It is working fine. The device recognizes my
phone.)
Turned on USB Debugging.
Kill-server and then start-server commands.
I am using Android Studio for Windows.

Probably you haven't installed the driver for your phone (if you use Windows). For instance, if you use Nexus or Pixel phones, you should install this. If you use Samsung phones, try this link.
It worked for me. If you still cannot see any of the devices, try calling 'Invalidate Caches / Restart' in the File menu in the Android Studio and restarting the system.
Hope it helps!

I had the same problem, my problem was I was using a cable that cam with the phone that acsually would not transfer any data from\to the phone, the moment I changed the cable it worked like magic.
Just try changing a cable 1st, the PC has to recognize the device even if You have no drivers, if Your phone doesnt ask You to give permission to access from PC than the cable is just a charging cable!
Hope it helps.

Set up a device for development (android documentation) :
On the device, open the Settings app, select Developer options, and
then enable USB debugging.
Set up your system to detect your device.
For Windows: Install a USB driver for Android Debug Bridge (adb). For an installation guide and links to OEM drivers, see the
Install OEM USB Drivers document.
When you connect a device running Android 4.2.2 (API level 17) or
higher to your computer, the system shows a dialog asking whether to
accept an RSA key that allows debugging through this computer. This
security mechanism protects user devices because it ensures that USB
debugging and other adb commands cannot be executed unless you're able
to unlock the device and acknowledge the dialog.

Is ther any collision between Genymotion and hardware device on Android studio?

Is there any collision between Genymotion and hardware device on Android studio?? Yesterday, I tested my android phone as a debug machine on android studio. It worked perfectly. However, today, after installing genymotion and run my project on it, Android studio couldn't detect my phone....
I followed these steps :
check whether USB debugging is enabled
check sony xperia USB drive (I installed it from websites, and reinstalled it automatically after conneting my device)
reset Android device monitor
reboot my phone
reboot my computer
plug on/off usb cable

There is no collision between Genymotion and hardware devices. But Genymotion does come with its own copy of adb which introduces potential adb client/server mismatch possibility. So just delete the adb binary from the genymotion\tools folder (you may need to kill all running adb processes first) and you should be ok.

Can a Chinese tablet be used as an android emulator device?

Can a Chinese tablet be used as an Android emulator device?
Because my eclipse cannot detect any device, and the same with Samsung Kies.
Does anyone know how it can be connected?

Yes you can, it's not dependent on what make the tablet is, it has everything to do with what Android version is running.
Just connect it to your PC and make sure in the Android settings that debugging on the device is allowed.
Check this out for example: http://www.groovypost.com/howto/mobile/how-to-enable-usb-debugging-android-phone/

The emulator is just the virtual device used from the sdk to allow you to develop without a real device, so actually you're asking to us if you can run your apps with your device.
Yes, obviously.
If you're running Android you can install your apks on your tablet, just connect it and select "USB device" instead of "emulator", otherwise the emulator will start. Don't forget to add "Debugging" in your settings.
If you cannot interface your tablet with your pc (due to usb drivers issues, or others) you can still upload your apk somewhere and install it (like send it to you by mail, or upload it on your Dropbox folder).

Yes. Just like what Gerald says, it is not dependent to the device but to the OS.
To use an Android device as an emulator, you need to:
Install the ADB driver corresponding to your device on your PC. If you didn't install it, then your device won't be recognized on your PC. The ADB drivers for Samsung devices can be found on Samsung Kies.
USB debugging must be enabled on your phone. To enable USB debugging on your phone, go to > Settings > Applications > Development and check "USB Debugging". If you don't enable it, then you can't use your phone/ table as an Android Emulator Device.

Samsung Galaxy S adb driver details?

I'm in a pickle. I live in Korea and teach English but am developing an android app. I want to test on my Samsung Galaxy S. Can't find an adb driver for it as the only drivers I could find are the US versions of the device. Anyone got driver details for this device?

This question was already asked here but the link is dead. However you can find the American drivers here and the Chinese drivers here (I don't think there is a difference).

UNIVERSAL ADB DRIVER
drivers for any android device
I have thesame issue before but i solved it easily by just following this steps:
*connect your android phone in a debugging mode
(to enable debugging mode goto settings scroll down About Phone scroll down tap seven times Build Number and it will automatically enable developer option turn on developer options and check USB debugging)
download Universal ADB Driver Installer
*choose Adb Driver Installer (Universal)
*install it
*it will automatically detect your android device(any kind of brand)
*chose the device and install

I only found this USB driver for Windows.
http://developer.samsung.com/android/tools-sdks/Samsung-Android-USB-Driver-for-Windows

I solved the problem installing Samsung Kies!