1) Reboot Phone Download Mode
2) Wipe Data Cache, Wipe Data Partition, Wipe Data User
3) Root Phone OS 4.4.2 CF Auto Root
4) Write NVM Network FIX V1 Z3X
5) Reboot Phone, Test Signal, Network, if OK Phone Done
6) If Phone same problem Write QCN GT-I9505 LTE Ok
7) Reboot Phone "Problem Solved"