Android Question (SOLVED) Smartphone no longer recognized by the IDE

[Sabotto]

It has been a few days since I can no longer connect my Samsung A52s with the B4A IDE.
The phone is recognized by the PC (I see it in "Explorer" and I see the folders), but when I debug some app from the B4A IDE, at the end I get the message "No device found. Please use B4A Bridge , etc. etc" With B4A bridge it works. I tried two cables (original Samsung).
Other tests done:
Windows firewall disabled;
Deactivated the debug mode from "developer options, unplugged the USB cable and reactivated the" debug usb "mode; connected the cable to another usb port on the pc, and launched the" adb devices "command from C: \ Android-SDK \ platform-tools;

I have Windows 10 64bit, version 21H1, build 19043.1586 and "Samsung Driver for Mobile Phones" version 1.7.50.0
Any suggestions? Maybe it has already happened to someone...

 

[Alex_197]

It has been a few days since I can no longer connect my Samsung A52s with the B4A IDE.
The phone is recognized by the PC (I see it in "Explorer" and I see the folders), but when I debug some app from the B4A IDE, at the end I get the message "No device found. Please use B4A Bridge , etc. etc" With B4A bridge it works. I tried two cables (original Samsung).
Other tests done:
Windows firewall disabled;
Deactivated the debug mode from "developer options, unplugged the USB cable and reactivated the" debug usb "mode; connected the cable to another usb port on the pc, and launched the" adb devices "command from C: \ Android-SDK \ platform-tools;

I have Windows 10 64bit, version 21H1, build 19043.1586 and "Samsung Driver for Mobile Phones" version 1.7.50.0
Any suggestions? Maybe it has already happened to someone...

Is developer mode on a phone On or Off?

 

[RichardN]

Solved how?

Developer mode ?????

 

[Alex_197]

Solved how?

Developer mode ?????

https://www.samsung.com/uk/support/..."Settings",,enable the Developer options menu.

 

[Sabotto]

I solved it thanks to the help of @Sagenut.
- disconnect the mobile phone
- go to C: \ Users \ * yourname * \. android
- delete the adbkey and adbkey.pub files
- restart the pc - open B4A
- connect the phone with USB DEBUG active
- click on Connect at the bottom right in B4A

 

[Sabotto]

I apologize, my message was written yesterday but it was not left by mistake
Developer mode is on