Connecting to a WAGO I/O System Field I/O block using the WAGO I/O Field app and a newer iPhone

Hardware and Linux
1

There have been some issues with connecting to WAGO 765 series with the WAGO I/O field app when using newer iPhones.

Change the following setting prior to trying to connect:
Settings > Accessibility > Display & Text Size > Auto-Brightness (OFF)

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2

I also have found that if you move your phone to the side, panoramic, instead of vertical, portrait, it make the process a little easier.