Step 1: Select the value of Top-Up Local Data and then click "Confirm".

Step 2: Read T&C and click "Confirm".

Step 3: After the request is submitted, a confirmation SMS will be sent to you shortly.

Step 1: Review top up set in last 6 months in the section of mobile data top-up history.

You can follow the above user guide to subscribe the "Mobile Data Top-up"* . Please contact 3iChat or 3Service Hotline 1033 for more details.
Remark: * Applicable only to the selected 3G & 4G LTE monthly plans