Use APKPure App
Get BT-TCP/UDP Serial Transfer old version APK for Android
For serial data transfer between Bluetooth and TCP/UDP !
Supports serial data transfer between Bluetooth and TCP/UDP.
For connecting Bluetooth device with TCP or UDP device.
※Permissions for history of TCP and UDP： WRITE_EXTERNAL_STORAGE , READ_EXTERNAL_STORAGE
※Permissions for TCP,UDP,advertising： INTERNET , ACCESS_NETWORK_STATE