PIN & password: Samsung Galaxy S 4

Learn how to lock, unlock, and PUK unlock the Samsung Galaxy S 4. Find out more on this page:

 

Device lock

PUK code unlock

SIM PIN

 

 

Device lock

Change device lock password / PIN

To change device lock password or PIN, follow these steps:

 

  1. From any Home screen, tap the Menu key.
  2. Tap Settings.
  3. Tap the My device tab.
  4. Tap Lock screen.
  5. Tap Screen lock.
  6. Enter or draw your current PIN or password.
  7. Tap the desired screen lock method (for example, PIN).
  8. Enter or draw your new PIN or password and then tap OK or Continue.
  9. Enter or draw your new PIN or password again and then tap OK or Continue.

 

 

Turn on / off device lock

To turn on or turn off the device lock password or PIN, follow these steps:

 

  1. From any Home screen, tap the Menu key.
  2. Tap Settings.
  3. Tap the My device tab.
  4. Tap Lock screen.
  5. Tap Screen lock.

              To turn on

      1. Tap the desired screen lock method (for example, PIN).
        Note: You can also select Face unlock or Face and voice but these methods are less secure.
      2. Enter or draw your desired PIN or password.
      3. Tap OK or Continue.
      4. Enter or draw your PIN or password again to confirm.
      5. Tap OK or Continue.

              To turn off

      1. Enter or draw your PIN or password.
      2. Tap OK or Continue.
      3. Tap None.

 

 

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PUK code unlock

PUK code unlock

Related errors:

  • 'PIN code blocked. Enter PUK code:'
  • 'Enter PUK code'
  • 'SIM card locked. Emergency calls only. Please contact Customer Care'

 

If you enter a PIN code incorrectly several times in a row, the device blocks you from attempting again. To enter a PUK code and unblock the PIN, follow these steps:

 

Important: You must call Customer Care for the PUK code. Entering the wrong code can permanently damage your SIM card.

 

  1. Contact Customer Care to request your PUK code.
  2. When the device displays 'SIM card is PUK-Locked. Please contact Customer Care’, tap Emergency Call.
  3. Enter the following: **05*PUK*NEWPIN*NEWPIN#
  4. Tap OK.

 

 

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SIM PIN

Change SIM PIN

To change the SIM PIN code, follow these steps:

 

  1. From any Home screen, tap the Menu key.
  2. Tap Settings.
  3. Tap the More tab.
  4. Tap Security.
  5. Tap Set up SIM card lock.
  6. If necessary, tap Lock SIM card to select the Check box and turn on SIM card lock.
  7. Tap Change SIM PIN.
  8. Enter your current SIM PIN and tap OK.
  9. Enter your new SIM PIN and tap OK.
  10. Enter your new SIM PIN again and tap OK.

 

 

Turn on / off SIM PIN

The SIM PIN code can protect your SIM from being used in other devices. When you turn on the SIM PIN lock, the device prompts you to enter the code after turning it on.

 

To lock and unlock the SIM card, follow these steps:

 

  1. From any Home screen, tap the Menu key.
  2. Tap Settings.
  3. Tap the More tab.
  4. Tap Security.
  5. Tap Set up SIM card lock.

              To turn on

      1. Tap Lock SIM card to select the Check box.
      2. Enter your SIM PIN and tap OK.

              To turn off

      1. Tap Lock SIM card to clear the Check box.
      2. Enter your SIM PIN and tap OK.

 

 

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