What application for iOS and Android downloads 0.3 MB every 15 minutes?

Question

Android

The story has been going on for more than a year, one employee had a wild overspending on traffic + buying extra. traffic. Some time ago, they changed the mobile operator, and the employee was also given a different phone. The problem with traffic has remained, but thanks to the improved detail, we can see how the traffic leaves.
Can you tell me what kind of application this is?

Answer 1

Connect it to your Wi-Fi hotspot and see where the traffic goes from it.
And a simpler option is to prohibit the use of the Internet for all applications except ... (here is your list).