John, it's a signal problem with Verizon. Call tech support and open a ticket. We had the same problem a few months ago in the big(ish) city near me. It turns out they had 3 different problems with multiple towers due to the new construction going on.
I'm currently having an issue with uploading pics into Sassie on Ipsos. It only affects Ipsos, and only Sassie. I have no other issues with any other website or platform. I can upload 3 or 4 pictures without a problem, then it'll glitch out, make the screen on my tablet flash a bunch of times, then go back to the upload window and make me try to upload it again. It usually goes through the second time, but I have also had it glitch like that 4 times in a row on the same pic. I didn't try it a 5th time, I saved my progress and restarted the tablet. Then I got 4 more pics to load before it forked up again. But only one time per pic after that.
I got the tablet replaced under warranty, and I cleared the cache and temp files on ALL of the apps, on both tablets. It still does it. It's an Ipsos problem, not a VZ or a tablet problem.