Nokia 3.1 Plus started receiving new Android Pie Build together with Google’s security patch for June. The update V2.25H showed up on Nokia 3.1 Plus model for the Indian market and is 341 MB large. The update brings improved system stability, UI enhancements, and June security patch.
We don’t know if the update is available globally or is market specific but do check your Nokia 3.1 Plus and see if t is available. Do tell if you got it and if there is any new stuff :).