Want to connect between my s21 and my wife's s21
Hi @Squatch97402,
Thank you for contacting TeamViewer Community.
Please install Remote Control and Quick Support application.
Remote Control is required for outgoing connection / on the supporting device, and Quick Support is used for incoming connection / on the supported device.
For more information, please check the knowledge article - Connections From Mobile to Mobile Devices
Hope this could help.
Best Regards,
Akiho