- From home screen, select "Setup"
- Select "Options"
- Select "Advanced System Settings"
- Select "TCP IP"
- Enter APN details
Service Viettel Mobifone Vinaphone APN v-internet m-wap m3-world Username for APN leave blank mms mms Password for APN leave blank mms mms
- Go back to "Advanced System Settings"
- Select "Service Book"
- Press Alt+SBEB
- The phone should display the message "Legacy SB Restore Enabled"
- Click here or here to download the service book
- Open Blackberry Desktop Manager
- Select Devices \ Restore…
- Browse to the folder where you store the downloaded service book
- Click Restore
- Activate data package with your carrier. For example, for Mobifone you would:
- Send SMS with content "DATA ON" to 999
- Send SMS with content "DK <name of data package>" to 999. Names of data packages can be found here
There you go. Enjoy the service.