If my iPhone 4 says version 7.1.2(11D257) what do I use ?

[iMore Question]

I am trying to unlock my iPhone from bell but the version says 7.1.2. What do I use. I am highly un computer literate. Help!!

 

[Rob Phillips]

Welcome to iMore! 7.1.2 points to the version of iOS that's currently on the device. What do you mean by unlocking your phone? That will determine your next steps.