ContribucionesMost RecentMost LikesSolutionsI have changed my phone plan to credit. I have changed my prepaid plan to credit and added my kids' phone lines too. However, my prepaid phone is not changed to credit. Please let me know what happened. Also, I have a new SIM card, but I don't know how to activate it. Please let me know about it. Thank you, Sunghyuck Hong
