cable connection with other devices

[skyray29]

I tried connecting my music keyboard with my samsung S21 ultra to listen to music while i play in the keyboard as i used to do so before with all my previous android handsets, when i connect the cable to my new samsung handset, it shows a message that it's not supported

[strawberry cake]

@skyray29 

try enabling MIDI

Go to Settings > Developer options > Networking > Select USB Configuration

While attached to the USB host, pull down from the top of screen, select the entry USB for, and then select MIDI

to enable Developer options:

• open Settings
• About Phone
• Software Information
• tap the Build number 7 x

then go back to lowest part of Settings and look for Developer options

😉