[Q] LGOG pro GPS problem and update topic

Hello i am having a gps problem with LG optimus g pro, where it keeps searching for gps, and is unable to get a lock, even in open air.

I have tried many apps such as gps status and toolbox, and in locations, all options are checked.

My next question is am i able to update my phone to the latest version of android?
My android ver is 4.1.2
kernal: 3.4.0
build number:JZO54k
software ver:E98810a
Singapore, starhub