Haven't forgot about this.. I have it half written so far and should be able to finish up this evening and post it.
Screenshot for the Connected mode LTE intra frequency page?
All photos don't have to be stored in the cloud with 6P .....
You don't have to fully root, you can change the one line of code via a custom recovery if you want.
Updates, depends on the phone and what you have changed. It could cause updates to fail, or if...
142334. 142335. 142336 Las Vegas NV . Should be C.A