Samsung SGH-T769 User Manual Ver.uvlb4_f7 (English(north America)) - Page 234
PIN Lock and Unlock, Disable USB debugging mode, Setting up SIM Card Lock, Settings - unlock code
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PIN Lock and Unlock 1. Press ➔ and then tap Location and security. (Settings) ➔ 2. Tap Set up screen lock. 3. Tap PIN. 4. Enter a PIN number using the numeric keypad and touch Continue to confirm the password. 5. Confirm the PIN by re-entering it and tap OK to confirm. Your phone now requires you to enter this PIN number in order to unlock the phone. Password Lock and Unlock 1. Press ➔ and then tap Location and security. (Settings) ➔ 2. Tap Set up screen lock. 3. Tap Password. 4. Enter a password using the keypad and tap Continue to confirm the password. 5. Confirm the password by re-entering it and tap OK to confirm. 230 Disable USB debugging mode When enabled, USB debugging is disabled while the screen is locked. 1. Press ➔ and then tap (Settings) ➔ Location and security. 2. Tap Disable USB debugging mode. Setting up SIM Card Lock Prevent another user from using your SIM card to make unauthorized calls or from accessing information stored on your SIM card by protecting the information using a PIN code. 1. Press ➔ and then tap (Settings) ➔ Location and security. 2. Tap Set up SIM card lock. 3. Tap Lock SIM card, enter your SIM PIN code, then tap OK. Note: You must activate Lock SIM card before you can change your SIM PIN code.