Check the signal before you book, not after

Stand where the reception will actually happen, not the parking lot, and check your own phone's bars at the time of day the event will run. A barn that's fine at 2pm can go dead once a few hundred people and a sound system are packed inside it at 8.

Don't rely on the venue's wifi for guest activities

Shared venue wifi, if it exists at all, usually buckles under fifty phones trying to post the ceremony at once. Plan every guest-facing tech element, music streaming, a live slideshow, a group photo tool, assuming the network won't hold.

Look for offline-first tools specifically

Whatever you use to collect guest photos, ask directly whether it works without a live connection. Anything that requires guests to be online while shooting will lose shots exactly when the venue is at its most crowded and least connected. Offline-first isn't a nice-to-have at a real venue, it's the actual requirement.

What LatentCam does here

Shots save to the guest's phone the moment they're taken and upload automatically once a connection returns, even hours later. Nobody has to know the wifi was ever a problem.