Good morning I'm having trouble you're with the gateway app I have a Galaxy A20e phone I successfully connect with bluetooth the sound comes out of the amplifier the mobile is connect.... but when I try to connect the bluetooth with the app code (Gateway) when i run scan for amps it doesn't connect. I also regularly registered for the profile with a username and password But it doesn't want to work !!!
Reviews on google play are also negative and many have the same problem
Thank you for your message, can you confirm you have tried the below