I have a galaxy s9+ and from the time I did the post software update its not charging properly. It does show fast charging and the option is also on in battery settings but still when I connect the charger and use the device its battery starts to dra...

my phone is not using fast charging since yesterday .. i tried to reconnecting it the other way and it shows fast charging for sometime and after a few min it shows cable charging.. try rebooting, tried clearing the cache, tried clearing the port, tr...