How Autopay works is either in store when you create your public mobile account or online you have the option to subscribe to autopay. Every month when your phone bill is due Public Mobile will automaticlly take the amount owed for the month renewin...
Personally I have always prefered the LTE but with switching to public mobile I have found little to no difference in the internet speed and find it to be pretty fast. As long as you have good service the internet speed is really fast.
If checking your public mobile account does nothing to help I would also look at your phone. I know for me in the past I have lost service for a couple days so if restarting it does nothing then try going into a phone repair shop, they can take a loo...