Bluetooth without internet in offChat
Bluetooth without internet in offChat: local Android chat without mobile data, as long as radio and permissions are ok.
No tower, with radio
No carrier signal does not block Bluetooth. Denied permission, Bluetooth off or the other app closed does.
Use the proximity checklist if the device list stays empty.
https://www.kingfy.app/ai/offline-chat
Related questions
Why is the list empty?
Permission, distance, obstacles or the other KingFy being off explain most cases — not an invented bug on this page.