I paid at the same time as buying the add-on... in the past first I would add funds and then buy the add-on, but it seems they've recently changed the way add-ons are purchased.
Hello, I have a 1GB plan and usually use approximately 75% of it because I am also mainly on wi-fi. Some additional info... I have a data setting on my Samsung phone that alerts me when I go over 75% and then a limit at 95%. Not sure other phones off...
I had the same/similar issue, funds were charged to my credit card, even though the add-on page on Public Mobile gave me an error and the add-on was still showing up in my cart. Refreshing and clearing cache didn't help, but logging off and logging b...