Canon EOS REBEL T7I Basic Instruction Manual page 212

Sending Images from the Camera to a Smartphone
By touching an NFC-compatible smartphone to the camera while
playing back an image on the camera, you can establish a Wi-Fi
connection automatically and send the image to the smartphone even if
a Bluetooth or Wi-Fi connection has not been established beforehand.
On the [Wi-Fi settings] screen, set [Wi-Fi] to [Enable] and set [NFC

connection] to [Enable] in advance (p.W-6).
For the smartphone's Wi-Fi setting, NFC setting, and NFC antenna

position, refer to the smartphone's instruction manual.
W-28
Play back the image.
1
Press the <3> button to play back

images.
Touch a smartphone to the
2
camera.
Touch the p mark on the smartphone

to that on the camera so that they
come into contact with each other.
When a message indicating the

established connection is displayed
on the camera's LCD monitor, move
the smartphone away.
Select the images to send.
3
Select and send image(s). For

information on how to send images,
see page W-22.