Canon EOS Rebel T6i Instruction Manual page 27

Connection Method
When using an Android smartphone, check if it is NFC-enabled.
When the smartphone is NFC-enabled: See p.28

You can easily set up a connection using the NFC function.
When the smartphone is not NFC-enabled: See p.31

Set up a connection in camera access point mode.
Smartphones labeled with the p mark are NFC-enabled. Some
smartphones are not labeled with the p mark even if they are NFC-
enabled; if you do not know whether your smartphone is NFC-enabled,
contact the manufacturer of the smartphone.
NFC-enabled smartphones can also be connected in camera access point
mode or infrastructure mode.
Preparation
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