Today weâre going to discuss how to read terrain off of a map. Reading terrain is more about artistic visualization than it is science. There are three major factors that aid in the visualization of terrain from a 2d map: 1  Contour Lines.
First sign up for My Account, or log in, then: 1  Click Device & usage in the menu of the My Account homepage. 2  Scroll down the page until you see Device controls where the Unblock SIM (PUK code) is shown. 3  Once you have your PUK code, enter this into your phone to unblock your SIM.
PUK code refers to âPersonal Unlocking Keyâ . PUK code is security code that protects your SIM card data. Your mobile phone asks for PUK code only when you have entered incorrect pin number three times.