The trick is to set lock and home screen together with the wall you want for home screen then it doesn't get cropped. Then set lock screen wallpaper on its own.
Sent from my Nexus 5 using Tapatalk
Just put some electrical tape over the top corner of the screen so you can't see it.
Modern life is Rubbish!
I'm no apple fan but there's no way the nexus 5s camera is better than the iPhone's although I noticed you did qualify what you said with reference to HDR+. I've found that over a period of time the iPhones camera will give consistently better res...