Galaxy s4 need to repair imei unknown /01

i have S4 with unknown IMEI...i cant repar using z3x....



already rooted



always no answer from phone...

Quote:

Selected model: I9505 Selected port: COM7 Z3X BOX Serial Port Selected port speed: 115200 Reading phone info... no answer from phone Done with Samsung Tool v.16.9

PDA

UART

via Welcome to gsm-tips http://ift.tt/1hm8CZj