The new Nexus 6 is very easy to program. RGERUC and RECRUC068 work out of the box on this device. Data needs simple steps by DFS.
Required:- Latest Motorola BP drivers, DFS
Not required:- Root, bootloader unlock
1. Boot the phone into BP tools and select port "diag mdm" with no SIM inside and airplane mode turned on.
2. Make RTRE config to RUIM pref and reboot back to BP tools (can make it RUIM only after programming is complete)
3. Write omhxxx in ppp usr and S1912xxx in ppp password
4. Continue in data section in DFS,
HDR SCP force AT config= RevA_MFPA
HDR SCP force rel 0= Evdo_RevA
Hybrid mode=enable
Data MDR HSPD mode= MDR only
5. Insert RGERUC SIM and continue programming
5. Enable all six profiles in MIP section and write omhtestxx in all the six fields with MIP=Mobile IP
6. Reboot and enjoy.