The Virgin Mobile Pre-Paid Simple Recharge 99 includes $1500 of credit (90-day expiry) and 1GB of data, making this plan ideal for heavy users who make over 200 calls, send over 200 text messages and need 1GB or more of data to surf the web every month. Virgin mobile uses the Optus network to provide network coverage, which covers 97% of the Australian population. Virgin mobile offers unlimited calls and text Virgin-to-Virgin.