Dear bro,
I am in a same situation as you were. Ok here's the story: I purchased Lg f180k and it was on jellybean. I got a notification for update to kitkat via software update in the settings. When i updated, after sometime the mobile restart with a new OS but touch was not working at all. So i sent back the mobile to shop and they fixed it. After some days again i tried to upgrade and got the same issue. This time is decided to fix it by my self. So i tried everything but failed. At the last i found and used teenybin LGNPST. Now i am stuck with the phone. My phone still can go into: Download mode, Fast boot and into the recovery TWRP which is installed automatically by LGNPST tool. Now i can't find the solution to make it work. Please help me brother. I don't want to go to the shop. I want to do it by myself with your help. Thanking you in advance.