Here's what I might try.
Perfrom a network reset.
Tap on the Settings app on your device to open it. Step 2: Tap on “General” and scroll down to find “Reset.”. Step 3: select “Reset Network Settings” and then confirm
Delete any remembered camera connection profiles
You do this in the Easy Connection Guide
Remove all wireless profiles from your camera.
Now set up the connection between the camera and phone again.
Retest transferring images
Bay Area - CA
~R5 C (220.127.116.11) ~RF Trinity, ~RF 100~400, +Canon Control Ring~6D2 (v1.1.1) Retiring ~EF Trinity, others ~DxO PhotoLab Elite ~Windows10/11 Pro ~EVGA RTX 3080Ti FTW3 Ultra ~ImageClass MF644Cdw ~Pixel6 ~CarePaks Are Worth It