Sounds to me like you bricked your phone and got mad cause you couldn't get an instant replacement. You should be happy they are willing to replace it at all.
I was able to root using the superoneclick
OK the attached zip will remove the arrows from the keyboard.
Also, the stock look zip only replaces the notification bar, all other themed items remain. In case anyone wanted to know.
Android 5.1.1 Experience and Discussion
OTA 5.1.1 Link https://android.googleapis.com/packages/ota/google_flounder_volantis/5cb0c6254e487f66c25478c8c11bff7975af669e.signed-volantis-LMY47X-from-LRX22L.5cb0c625.zip
Factory Images 5.1.1 https://...
Factory Image is also up