Well, this happened to me last month and I thought it be an off month or something weird I did (ended up having to add double the amount of data I usually use which tripled my bill). That thought was thrown out the window tonight.
Since I was somewhat skeptical, I have been keeping a close eye on my data usage this month. I checked tonight and still had just under 50% data left with 8 days left in the cycle. Literally within 30 minutes or less after checking, I get an alert stating I have 0% data left. Then I got about 3 more alerts, each one stating a new charge for overage, until it hit about $60. How this is possible is beyond me. Each time I close my phone screen I kill all my apps, like muscle memory.
The data usage is seriously suggesting I used around 9 gigs of data within minutes. this is absolutely ridiculous. Not to mention when I got further into the problem on chat, parts of my conversation were removed and then all of a sudden the site logged me out. (Technical difficulties, right)?
When checking the detailed data usage, it shows at one snap shot of time just over 7.5 gigs were used. I don't believe that's physically possible, let alone when I don't even have my phone in my hand.
Is there a light at the end of this tunnel? If this is not remedied by Verizon you can bet I will be leaving and never looking back.