Changing Your Settings 108The following options are available:– Disable: you can call any number.– Enable: you can only call phone numbers stored in Contacts. You must enter your PIN2 code. You can obtain your PIN2 fromT-Mobile’s customer service.Change PIN2 codeThe Change PIN2 feature allows you to change your current PIN2 to a new one. You must first enter the currentPIN2 (obtained from T-Mobile) before you can specify a new one. Once you enter a new PIN2, you are asked to re-enter the new PIN2 to as confirmation.Note: Not all SIM cards have a PIN2. This menu does not display if your SIM card does not have the PIN2 feature.USB ModeSelect the default method of communication when you connect your phone to a USB port on a PC to transfer filesbetween your PC and phone. From Idle mode, press Menu ➔ Settings ➔ Personalize ➔ Phone settings ➔ USB mode.These options are available:– Samsung PC studio: uses PC Studio to communicate with the phone.– Ask on connection: each time you connect the phone to a PC, the phone will prompt you to choose a USB mode.– Mass storage: treats your phone’s memory, and an optional memory card, as a removable storage drive.Note: You are unable to connect to PC Studio when the Mass Storage option is selected.Data RoamingThis feature allows you to control the use of data services when your phone is in roaming mode.Important!: Once data roaming is disabled, avoid applications that may reactivate the data roaming feature and charges incurred.Please contact your T-Mobile service center for details.1. From Idle mode, press Menu ➔ Settings ➔ Personalize ➔ Phone settings ➔ Data roaming.2. Highlight Enable to allow data roaming, or Disable, and press Save.