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.
Is it showing a Locked SIM message? Does it ask for a PUK code? If it asking for a PUK key then you have probably messed with the security settings on your cell phone and the SIM card is now blocked. The PUK (or PUC) number is the PIN code needed to unfreeze the sim card.