apns: add "phone" APN for AT&T

  * These "phone" provisioned SIM's don't work with the "pta" APN
  * LTE and MMS do work properly with "phone" APN

Change-Id: I782f9ee5c642c5354ab35489a9c899a52c0d5107
Initial CLUSTER OS
Add Samsung Keypad for Phones

Change-Id: I0d36095e22607cc326948ba1e255606a6458f7a8
Fix Path
Edit Banner
Fix typo
remove Display Check App (2/2)
Change Bootanimation