Ayuda Ayuda Reparacion de Imei On5 S550TL ..me da error con Gcprokey

[Diuris Tamames]

YA el cell esta rooteado pero Gcprokey me lanza este error agradeceria la solucion
Log...

Using Version...1.0.0.0082
Selected Port USB Serial Port COM3
Selected Model GT-I5508
Selected Task SAM IMEI REPAIR

ALL SAMSUNG IMEI STARTED..

Searching Phone Please wait...

Phone Found Wait...
TEST MODE OK..
Details. SM-S550TL,N,S550TLUDU2AQC4,S550TLUDU2AQC4,S550TLUDU2API
Model := SM-S550TL
SWVer := S550TLUDU2AQC4
UNIQID := C8G011FD4A53144
Phone IMEI := 00000000000000
Device Knox Warranty is := Not Void
Default MSL NO NEED RESET EFS...

MSL autho Security..Use Bypass Knox for such phones OR full flash combination (Engineering) firmware for such phone...

!!! FAIL !!!!
Total Time Take...00:00:58
Log Saved