How to Create A PIN Lock for Samsung Galaxy Gio GT S5660 Locking phone screen to prevent other people from easily accessing the phone seems to be a must-to-do thing to protect the private data. And among all available methods, a relatively effective method is creating a PIN lock. Moreover, this post primarily introduces the steps to create a PIN lock on Samsung Galaxy Gio GT-S5660 . Step 1: Open Settings . Step 2: Choose Location and security . Step 3: Click Set screen lock . Step 4: Select PIN to go on. Step 5: Select 4 numbers to form a PIN, and press Continue when finished. Step 6: Reselect the 4 numbers to confirm the PIN, and tap OK . After a PIN is successfully created with these six steps, anyone who wants to access the phone will be required to enter the PIN to unlock the screen. Related Articles : How to Set Pattern Lock on Samsung Galaxy Gio GT-S5660 How to Set Password on Samsung GT-I8190N How to Set Password on Samsung GT-I8268 How to Enable and Disable USB Debugging in Sa...