As has been mention before your pre-paid data will simple run out if you use it up and you'll find find that using data to go online simply won't work. If you want to monitor your data usage so you don't unexpectedly run out then go to your phone's ...
Try simple things to verify that your sim is working. 1.Go under Settings: Network.. to SIM. Ensure your active SIM slot ids as Public Mobile. (I'm assuming this is a single SIM - if not ensure your sim card is in SIM 1 slot) 2. Under Settings: Netw...