At times, the Canon Camera Connect application for iOS may behave incorrectly when attempting to connect an iOS device to a camera via Wi-Fi . Deleting the app's saved state in the background can oftentimes correct this. This does not harm the app or the device and simply causes the app to launch with a default "state", which can eliminate many issues that prevent the app from connecting to the camera and performing correctly.
About camera GPS Some have an internal sensor. Others use Canon Camera Connect (CCC) which is a unified app that connects your iOS or Android mobile devices to cameras equipped with Wi-Fi or Bluetooth. GP-E2
Press the [MENU] button on the camera to open the menu, switch tabs, and select [Wireless communication settings]. Selecting the Wi-Fi function settings menu Select [Image Sync], and set either [Still images only] or [Still images + video].
Countermeasure For EOS cameras with Wi-Fi functionality, the camera can be accessed by the EOS Utility software application via a Wi-Fi connection. For details, please review the user manual.