Deco app shows a upload net speed of 680mbps, whereas ookla net speed test shows 40 mbps, why?

I have an M9 Plus hardwired to my Verizon FiOS router with 3 M9's and 4 M5's. I added a new Version 2.8 wirelessly and was not able to get it to update through the app. It showed as "working" and "hea

I bought 3 pack SECO M9 PLUS ( US version 2.8) recently. As it is specifically mentioned as US version, I got a doubt if the device can be used in India.