GPS not locking properly
So when I need it most, my GPS won't lock properly. I've tried it in my car, outside, mobile, standing still, etc. Sometimes it just doesn't want to work no matter what I do (I've tried restarting, location via networks, GPS only, restarting). Other times it just works fine, but it's really infuriating to have a new phone and when you badly need a GPS it won't work.
I have an i9505, I thought the problem might be because I have a stock rom which isn't the right one for my country (just using some european one).
What can I do to fix this? It's really annoying..