Canon EOS REBEL T7i Instruction Manual page 411

Select [Bluetooth function].
2
Select [Check/clear connection
3
info].
Press the <B> button.
4
Bluetooth address of the remote controller
[Connecting...] is displayed when the remote
controller is not being operated.
Clear the connection information.
5
Select [OK], then press <0>.

 The remote controller's connection
information will be cleared.
Remote Control Shooting
411