Canon EOS Rebel SL3 DSLR Camera with 18-55mm Lens (Black) - Manual (Page 352)

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5
Select [Pair via Bluetooth].
z Press < 0 > to start pairing.
z To pair with a different smartphone after
pairing with one initially, select [OK] on
the screen at left, then press < 0 >.
Steps on the Smartphone (1)
6
Start Camera Connect.
7
Touch the camera for pairing.
B If you are using an Android smartphone,
go to step 9.
8
Tap on [Pair] (iOS only).