Soup is sticker than water. I could jokingly suggest that you run through a washer cyle and then put into a container of rice BUT it's better to have someone look at it and replace screen if needed.
Have you tried:Settings > Networks > More > Mobile Networks > Network operators > Search > Select your mobile network (Public Mobile! or there may be an option to choose autmatically). Restart your phone.
As with my previous comment, this suggests that your carrier does not support Voice Over LTE or your phone does not (if its a new phone it should or needs to be turned on). See link to article that explains Voice Over LTE (and the switching from LTE ...
In order to make a phone call over a 4G networl your carrier and device must support a form of Voice-over-LTE since the architecture of a 4G network is different than a 3G network (packet switched vs circuit switched). It seems that your mobile canno...
