Samsung SCH i830 User Manual (ENGLISH) - Page 181
Security Tab, Follow the directions to complete the function you selected, and then tap to exit., - security network lock
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Sprint Worldwide Security Tab The Security tab allows you to restore the factory default settings for your phone, set emergency call numbers, or display the current hardware and software version of your phone. To access the security options: 1. Tap the Start menu bar in the upper left corner of the screen. 2. Tap Settings, and ensure that the Personal tab is displayed. 3. Tap the Phone icon, and then select the Security tab. 4. Tap the button of the function you want. You can choose from the following: Ⅲ Call Barring Password: This option allows you to change your security password. old password, and then enter the new password, and re-enter the new password to confirm it. Tap OK to save your new password. Ⅲ SIM Lock: This option allows you to lock the information you have stored to your SIM card. Tap the box to enable the SIM Lock. Enter your PIN number by tapping the keyboard icon in the lower right of your screen. Tap OK to enable SIM Lock. Follow the directions to complete the function you selected, and then tap to exit. Roam Tab The Network tab allows you to view the current network your phone is using and set the network selection for your phone. Section 2I: Sprint Worldwide Wireless Service 173