I wonder why a crucial feature like missed calls notifications is removed in the last update?

How did you solve the problem? My phone has the same problem.

Same problem on my S7

Yes. After the last update, battery life reduced greatly. Day use time reduced, battery consumption erratic. Sometime ok, sometimes drains very fast. On sleep mode at night, with wifi and net switched off, battery may go like 20% in 7 hours. Please r...