Canon EOS REBEL T7I Wi-Fi (Wireless Communication) Function Instruction Manual page 14

Setting Wi-Fi Settings
When video snapshot or time-lapse movie is set, you cannot select

[51: Wireless communication settings].
Interface Cable Connection Cautions
With a Wi-Fi connection established, you cannot use the camera by

connecting it to Connect Station, a computer, a GPS receiver, or another
device with an interface cable. Terminate the connection before
connecting the interface cable.
When the camera is connected to Connect Station, a computer, a GPS

receiver, or another device with an interface cable, you cannot select
[51: Wireless communication settings]. Disconnect the interface
cable before changing any settings.
Cards
The camera cannot be connected via Wi-Fi if there is no card in the

camera (except for [D]). Also, for [l] and Web services, the camera
cannot be connected via Wi-Fi if there are no images saved on the card.
Using the Camera with a Wi-Fi Connection Established
When you want to prioritize the Wi-Fi connection, do not operate the

power switch, card slot cover, battery compartment cover, or other parts.
Otherwise, the Wi-Fi connection will be terminated.
Using an Eye-Fi Card
When [Wi-Fi] is set to [Enable], image transfer using an Eye-Fi card is

disabled.
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