When will the mobile game go online?

Battlefield Mobile was cancelled due to the poor reception of 2042 and a number of other issues. Such as EA wanting a 'connected Battlefield Universe' across all platforms, but Battlefield Mobile devs wanting to create a strictly mobile gaming experience.

https://www.videogameschronicle.com/news/battlefield-mobile-lead-says-2042s-failure-contributed-to-mobiles-cancellation-and-his-studios-closure/