In mid Feb 2010 I was advised by a Virgin Mobile 'champ' to let them know 3 days to a week before the end of March to migrate my contract to prepaid on 1 April. Their policy on migration reads: 3.11 Migration. You may migrate from credit to prepay account or the other way around. ...If you want to migrate from one credit account to another or from a credit to prepay account, you can only do this once every 30 days. As I had not migrated in the previous 30 days and in accordance with the advice I'd received, I gave my... read full review »