مشكله imei n900


الجهاز فاقد سيريال حاولت اكتر من مره اعمله write cert
مش عاوز يقبل ممكن المساعده

Selected port speed: 115200
Checking certificate file... OK
Waiting ADB device... OK
Reading phone info...
Model: SM-N900
Android version: 4.4.2
Product code: Unknown
Phone version: Unknown
PDA version: N900XXUDND1
CSC version: N900SERDNC4
IMEI: Unknown
Phone S/N: Unknown
Checking Super user right... true
Reading nv data... OK
Checking magic... not found
Done with Samsung Tool v.19.1