Some users of the Nokia 7 Plus have reported that their phones are sending data to Chinese servers without permission, a direct violation of GDPR laws. This data includes IMEI's, serial numbers, and location, all of which are considered personal data and can be used to track and identify users. HMD Global has confirmed the claims.
https://www.notebookcheck.net/Some-Nokia-devices-have-been-clandestinely-sending-user-data-to-China.414863.0.html