
Samsung Galaxy Tab 4 10.1 LTE
Find "Screen lock"
Slide your finger down the display starting from the top edge of your tablet.
Press the settings icon.
Press the settings icon.
Press Device.
Press Lock screen.
Press Screen lock.
Select option
You can create several types of lock codes. The following steps show two examples:
Create lock code using a pattern, go to 2a.
Create lock code using a PIN, go to 2b.
Create lock code using a pattern, go to 2a.
Create lock code using a PIN, go to 2b.

2a - Create lock code using a pattern
Press Pattern.
Press and drag a point to connect at least four points.
Press Continue.
Repeat the selected lock code to confirm.
Repeat the selected lock code to confirm.
Press Confirm.
Key in a four-digit PIN and press Continue.
Key in the PIN again and press OK.
2b - Create lock code using a PIN
Press PIN.
If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. You can get the PUK by dialling 191 from a Vodafone mobile phone. If you're using a land line, you need to dial 03333 040 191.
Please note:
If the wrong PUK is entered ten times in a row, your SIM will be blocked permanently. In this case, you need a new SIM from Vodafone.
Please note:
If the wrong PUK is entered ten times in a row, your SIM will be blocked permanently. In this case, you need a new SIM from Vodafone.
Key in the required lock code and press Continue.
If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. You can get the PUK by dialling 191 from a Vodafone mobile phone. If you're using a land line, you need to dial 03333 040 191.
Please note:
If the wrong PUK is entered ten times in a row, your SIM will be blocked permanently. In this case, you need a new SIM from Vodafone.
Please note:
If the wrong PUK is entered ten times in a row, your SIM will be blocked permanently. In this case, you need a new SIM from Vodafone.
Key in the lock code again and press OK.
If an incorrect PIN is entered three times in a row, your SIM will be blocked. To unblock your SIM, you'll need to key in your PUK. You can get the PUK by dialling 191 from a Vodafone mobile phone. If you're using a land line, you need to dial 03333 040 191.
Please note:
If the wrong PUK is entered ten times in a row, your SIM will be blocked permanently. In this case, you need a new SIM from Vodafone.
Please note:
If the wrong PUK is entered ten times in a row, your SIM will be blocked permanently. In this case, you need a new SIM from Vodafone.
Turn off use of lock code
Press None.
Return to the home screen
Press the Home key to return to the home screen.