Seconded. Since iOS 16, camera connect simply does not work most of the time. You can initiate from the camera to create the hotspot, but the app doesn’t recognize the hotspot. You can initiate from the app, but the phone won’t join the camera hotspot (or the camera doesn’t create it).
I was able to connect a single time by resetting the communication settings and unpairing the phone. However, it doesn’t work the second time.
I have a T7i that worked fine with the earlier IOS version. I would connect the iPad Wi-Fi to the camera wireless by pressing the camera wireless button, then select the iPad to connect to the camera. With the new version of Camera Connect, this rarely worked, and I would get an immediate connection failure. This is what I did to fix the situation with both IOS 16.2 and Cannon Connect version 22.214.171.124 build 1331.
1. It seems to be essential that Bluetooth be paired correctly to the iPad. I had to blow away the old setting and re-pair the camera with the iPad.
2. Set the camera wireless communication settings to Wi-Fi - Enable and NFC - Enable. Both seem to be important. If NFC is not set to enable, the Camera Connect software won't work properly.
3. Not sure if this is required, but I updated my camera firmware to version 1.1.0.
4. Be sure the camera Bluetooth function is set to Smartphone. This is part of the pairing process.
5. Open the Camera Connect app on the iPad. Both the Bluetooth and the Wifi icons were grayed out.
6. Turn on the camera, if not already on. In a few seconds, the app recognized the camera and the bluetooth symbol was no longer grayed out. On the camera display, the bluetooth symbol was showing but the wireless icon was set to "off".
All the problems I was having were fixed by having the iPad bluetooth paired to the camera and turned on. What seems to be happening is that bluetooth handles the wireless portion of the network connection. If I press the wireless button on the camera, everything goes south. Maybe only the bluetooth option works with this version of the software, but I don't know for sure. At least the picture import function works well. I don't remember if I had to make any other settings on the Canon app, Right now, if the app is on, it will automatically recognize the camera nearly as soon as I turn on the camera. Hope this helps.
12/05/2023: New firmware updates are available.
09/26/2023: New firmware updates are available.
08/18/2023: Canon EOS R5 C training series is released.
07/31/2023: New firmware updates are available.
05/18/2023: New firmware updates are available.
03/30/2023: New firmware updates are available.