[Q] Nexus 4 - slow GPS, spotty LTE / Common?

Hey all,

I have a Fire HDX 7 with ggows HDX Nexus 4.0.5 installed. As the title says, the GPS is slow (takes long to find a fix, >1 minute) and LTE often doesnt work at all (randomly, sometimes airplane mode and back fixes it). As I'm using the Fire as my navigation unit with Google Maps, both these issues are quite big for me.

So my question to the Fire HDX with LTE owners: How is your GPS? Do you have cellphone data location working (doesnt seem to work for me at all)?
And what OS are you running to have good LTE?

Thanks for your feedback!

Scroll lag with common apps

Switched to the Note 5 from a Nexus 5. (I switched because my Nexus was having problems with its mic calling people)

Scrolling through apps like facebook and google play music are laggy, choppy, whatever you want to use. Compared to my nexus which continues to be buttery in this area. It's noticeable and I'd personally expect better out of a device 2 years newer. Any ideas on how to improve performance on the Note 5 before I take it back.

I have already been into the dev options and checked the force gpu options, played with the animation timing. Not a lot of improvements.

Thanks for feedback.