Many many Ring owners are having the “Version 1.16.00263 firmware” problem. Snapshot not working is the symptom. The firmware will not update is another symptom. Everybody you’ll talk to at Ring assures you they are all over fixing the problem, don’t return you camera for warranty, you need to buy a Chime Pro to improve your IIRS number, blah, blah, blah.
You bought 6 cameras? Wow, that’s like $1400 for cameras that don’t work. I’d bet you are a tad disappointed, just like the rest of us.