Unlocking a LG GB160 requires an unlock code and only a few minutes. A LG GB160 unlocked will work on all SIM phone networks but by default come with a SIM lock that prevents this from working. By getting an LG unlock code for your LG GB160 to remove this SIM lock you can use your own GB160 with any phone carrier you wish.
You can attempt to get a free unlock code for your LG GB160 by calling up your current phone carrier and requesting one. Many people have success doing this with both T-Mobile as well as AT&T. If you want to learn more methods of getting a free LG unlock code, read this article. Once you have you LG GB160′s unlock code you can use the free unlock instructions provided below to remove your SIM lock:
How To Unlock LG GB160
1. Power on your LG phone with the original SIM card in.
2. Enter 2945#*700#
3. A menu will pop up, select SIM Unlock.
4. Enter your unlock code and hit OK.
5. Your LG phone may automatically reboot.
You can learn more about the new LG GB160 by reading this full specs provided by GSM Arena.