Optus X Lite 4G Prepaid Mobile Phone 6,The Optus X Lite 4G offers a 2.4" colour display, so you won't have to fiddle around with a small screen anymore. Connect and go. Optus Fair Go Policy applies. Activate included SIM within 30 days of purchase or by the date advertised on a promotion, whichever is earlier, to receive advertised inclusions. Offer available until withdrawn. Only available for Optus X Lite 4G devices. Not available in conjunction with the 10 days free offer. 47, 48,Mobile phone is network locked. No rainchecks. 49, 50,Data Rollover: Up to 200GB when you recharge before expiry. If you accrue over 200GB you will forfeit any data over that limit.