Any clues to what could be causing this? Safe mode hasn't fixed the
problem, relatively new S9 (5 months old), and haven't installed any new
apps recently. Battery just drops from about 35 to 0 in an instant.
Unless you want to flex on other people with your superior overkill
device, then nah, I don't really think an upgrade is needed. I only
reccomend upgrading if the phone doesn't work properly or feels sluggish
and laggy. But if you're rich then yea go...