Cannot connect to USB Debugging on Samsung S10+ because the Authorize USB debugging is not displayed

I have just bought a new brand-new Samsung S10+ mobile device and then I wanted to do a remote debugging from Chrome but nothing seems to work from my windows 10 machine. I had used other Android devices and worked very well but since this was a new device I was thinking that there is something wrong with the software that is installed on my computer. So, I decided to take it step by step on upgrading everything: android mobile, usb driver, update java, update sdkmanager etc. All the steps are described in this blog with a step by step.

Despite the fact that I followed all the steps to enable the USB debugging, still the popup window from Chrome remote debugging didn’t showed the connected device.

The normal steps that I followed can be found on a simple Google Search and are the following:

– Open Settings and find “Developer Options”

– Under Settings option, select About phone, then choose Software Information

–  tap build number several times until you see a pop-up message that says “Developer mode has been enabled”

– Tap on Back button to return and you will see the Developer options menu under Settings.

– Click on Developer options. Slide the “Developer Options” button to “On”.

– Then scroll down the screen and turn on “USB debugging”. You will see a messages “Allow USB Debugging”, click “OK”.

Again, I connected the USB cable, I was able to transfer files, I was able to connect with Samsung DEX but I had no remoting capabilities from Chrome Remote Debugging. Also I noticed that I was not able to see the pop-up message with “Authorize USB debugging dialog box”. That was quite strange, since on all my previous devices I was able to see this dialog box.


STEP 1. – Update USB driver

First, I wanted to make sure that the driver used is the latest version. All I had to do is to download and install the latest version from here:


STEP 2 – Update JAVA

Then I had updated the JVA environment and I was able to do that from the official web site.


STEP 3 – Update the environment variable JAVA_HOME

That was something that is required later on by the Android SDK Manager. Steps to do that are:

– in windows 10 search for “environment variables”

– click on “Edit the system environment variables”

– click “Enviroment variables”

– click on NEW

– on variable name type JAVA_HOME

For variable name you have to check what is the path from your system from the following folder: c:\Program Files (x86)\Java\

In my case the value for the variable name was this:

C:\Program Files (x86)\Java\jre1.8.0_231

Please check the screenshot below:


STEP 4 – download SDK tools for windows from

Navigate to the following web address:

At the bottom of the page download SDK Tools for windows.

Extract the zip file and open command prompt in Administrator mode


STEP 5 – use the sdkmanager.bat to download and install ADP utility.

sdkmanager.bat –list

Identify in the list the platform-tools and run the following command:

sdkmanager “platform-tools”

Search for the ADP.EXE and you will find it in the folder named “platform-tools”

Run the command with the following option:

adb devices

And I had the status of the device with “unauthorized”

Disconnect the USB cable and connect again and the pop-up now is displayed on the mobile to allow USB Debugging.

Then I was able to do remote debugging on Chrome, and I was able to see all the browser instances.



About Ionut Afloarei

Senior .Net Developer with 14+ years of experience in Microsoft Technologies (, MVC, MSSQL, Entity Framework, Visual Studio, TFS, IIS, Azure Cloud, Microsfot Dynamics).