How can i lock (Protect) my phone??!!

Question

Hi, everybody
I would asking about how can i protect my phone with password, cause every time i try this it just request (PIN) number but no phone protection code....!!
1- in my phone when i go to: Setting - securtiy settings - phone security,,, then enter the code (12345) and active it (ON),,, the phone still just request the (PIN Number) without another protection,,, and when i remove my SIM card there is no protection code requests and the phone start in normal...... that in my phone ((Nokia 107))
*So What is that Phone security option...??!!!
*How can i lock my phone with password at its start??!!
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2- in my phone (Asha 303) when i go to: setting - security,,,, i didnt find ((phone protection)) option Basically...!!,,,, but when i go to (Change Acess Codes) i find ((Security code)) but what is the benefit of changing it as there isnt option to active it???
*Note: here when i try to change that security code its also 12345 (as default old number)....
*** Also what is the ((Security module)) option i found in my Asha 303 security option, and how to use it??

Answer 1

Hi Moron,
Setting up the security keyguard is one of the options for you to protect your phone from anyone who will access your phone. Another option is to download an app that allows you to protect your phone as well. You may try to search it from the Nokia Store. Here's the link: 
http://store.ovi.com/
Hope this helps.