Pre-order iphone6s with Digi Smart Plan 50 More Internet

[ANNIE1029]

Transaction No: 15100920026611

Tansaction Time: Fri Oct 09 20:02:07 MYT 2015

My previous plan is Mobile Internet 58 and i change to Digi SmartPlan 50 More Internet(12 Months) with the pre-order Iphone 6s. After i chage the plan i can't use data? I check with *128# and it show me that i have not subscribed to any internet package?