How to enable / disable handset restriction on Samsung u430

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Enabling / disabling handset restrictions - Samsung SCH-u430

1. From the main screen, press OK to choose Menu.
2. Select Settings & Tools then press OK.
3. Select Phone Settings then press OK.
4. Select Security then press OK.
5. When prompted, enter the Phone Lock Code then press OK.
   The default code is the last 4 digits of the mobile number.
6. Select Restrictions then press OK.
7. When prompted, enter the Calls and Service Code then press OK.
   The default code is the last 4 digits of the mobile number.
8. Select the desired option.
   Location Setting
   Calls
   Messages

Location Setting

1. Select Location Setting then press OK.
2. Select the desired option then press OK.
   
   • Lock Setting
   • Unlock Setting

Calls

1. Select Calls then press OK.
2. Select the desired option then press OK:
   
   • Incoming Calls
     
     • Allow All
     • Contacts Only
     • Block All
   • Outgoing Calls
     
     • Allow All
     • Contacts Only
     • Block All

Messages

1. Select Messages then press OK.
2. Select the desired option then press OK.
   
   • Incoming Messages
     
     • Allow All
     • Block All
   • Outgoing Messages
     
     • Allow All
     • Block All