I can't see other Android devices using the BLE extension


For a project, I need to have 2 android devices communicating using Bluetooth Low Energy extension (not normal client/server extension already included in App Inventor).

I followed this tutorial : http://iot.appinventor.mit.edu/assets/tutorials/MIT_App_Inventor_Basic_Connection.pdf

The app launches and can correctly scan for bluetooth devices. I have a lot of devices appearing. But I can't see the other android device I'm trying to communicate with. I got its Bluetooth MAC address from the android system, but it doesn't appear in the list, no matter what I tried. No android phone MAC address appears.

But devices like bluetooth earphones and speakers appear. Only android phones don't appear.
I seeked for help in the BLE extension faq, but I didn't find a solution to my problem.

Thanks in advance for any answer, have a great day

try to enable location services to find out, if it makes a difference

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