Error repair imei p5220


I try this:

Bienvenido en Octoplus/Octopus Box Samsung software
versión 2.1.4
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To connect GT-P5220 phone you have to perform the following
steps:
1. Disconnect USB cable from phone.
2. Go to Menu->Settings->More->About Device.
3.Tap on "Build number" 7 times to enable developer options.
4. Go to Menu->Settings->More->Developer options.
5. Turn on "USB Debugging" option.
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Plataforma: Samsung Android
Puerto seleccionado: COM31
Modelo seleccionado: GT-P5220
Selected file: C:\Documents and Settings\Carlazos\Mis
documentos\Descargas\GT-P5220\GT-P5220\GT-P5220_
358263054437944_0560.cert
Modelo del teléfono detectado: GT-P5220
Fecha de creación del firmware: Sat Aug 9 19:48:59 KST 2014
PDA version: P5220XXUBNH2
CSC version: Unknown
Versión del SW: Unknown
IMEI del teléfono: Unknown
Android version: 4.4.2 (KOT49H)
Checking Root:
Phone is Rooted.
Checking Certificate file…
Certificate file successfully checked
Writing Certificate…
Executing exploit…
Exploit has been executed successfully
Unknown security
Writing Certificate failed
———————————————————————————–
Plataforma: Samsung Android
Puerto seleccionado: COM31
Modelo seleccionado: GT-P5220
Selected file: C:\Documents and Settings\Carlazos\Mis
documentos\Descargas\GT-P5220\GT-P5220\GT-P5220_
358263054059276_0560.cert
Modelo del teléfono detectado: GT-P5220
Fecha de creación del firmware: Sat Aug 9 19:48:59 KST 2014
PDA version: P5220XXUBNH2
CSC version: Unknown
Versión del SW: Unknown
IMEI del teléfono: Unknown
Android version: 4.4.2 (KOT49H)
Checking Root:
Phone is Rooted.
Checking Certificate file…
Certificate file successfully checked
Writing Certificate…
Executing exploit…
Exploit has been executed successfully
Unknown security
Writing Certificate failed
———————————————————————————–
Plataforma: Samsung Android
Puerto seleccionado: COM31
Modelo seleccionado: GT-P5220
Modelo del teléfono detectado: GT-P5220
Fecha de creación del firmware: Sat Aug 9 19:48:59 KST 2014
PDA version: P5220XXUBNH2
CSC version: Unknown
Versión del SW: Unknown
IMEI del teléfono: Unknown
Android version: 4.4.2 (KOT49H)
Checking Root:
Phone is Rooted.
Writing EFS, please wait…
Phone will restart now. Please don’t disconnect cable!
EFS write successfully.
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Plataforma: Samsung Android
Puerto seleccionado: COM31
Modelo seleccionado: GT-P5220
Reading info, please wait…
Proper android device not found. Make shure that "USB debug"
option on the device is turned on.
———————————————————————————–
Plataforma: Samsung Android
Puerto seleccionado: COM31
Modelo seleccionado: GT-P5220
Reading info, please wait…
Proper android device not found. Make shure that "USB debug"
option on the device is turned on.
———————————————————————————–
Plataforma: Samsung Android
Puerto seleccionado: COM31
Modelo seleccionado: GT-P5220
Reading info, please wait…
Proper android device not found. Make shure that "USB debug"
option on the device is turned on.
———————————————————————————–
Plataforma: Samsung Android
Puerto seleccionado: COM31
Modelo seleccionado: GT-P5220
Reading info, please wait…
Modelo del teléfono detectado: GT-P5220
Fecha de creación del firmware: Sat Aug 9 19:48:59 KST 2014
PDA version: P5220XXUBNH2
CSC version: Unknown
Versión del SW: Unknown
IMEI del teléfono: Unknown
Phone SN: RF2F31VH1WV
Android version: 4.4.2 (KOT49H)
———————————————————————————–
Plataforma: Samsung Android
Puerto seleccionado: COM31
Modelo seleccionado: GT-P5220
Selected file: C:\Documents and Settings\Carlazos\Mis
documentos\Descargas\GT-P5220\GT-P5220\GT-P5220_
358263051105692_0560.cert
Modelo del teléfono detectado: GT-P5220
Fecha de creación del firmware: Sat Aug 9 19:48:59 KST 2014
PDA version: P5220XXUBNH2
CSC version: Unknown
Versión del SW: Unknown
IMEI del teléfono: Unknown
Phone SN: RF2F31VH1WV
Android version: 4.4.2 (KOT49H)
Checking Root:
Phone is Rooted.
Checking Certificate file…
Certificate file successfully checked
Writing Certificate…
Executing exploit…
Exploit has been executed successfully
Checking for compatible Certificate and phone…
Certificate is correct
Phone will restart now. Please don’t disconnect cable!
Certificate has been written successfully
Para aplicar los cambios, reinicie el teléfono
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Plataforma: Samsung Android
Puerto seleccionado: COM31
Modelo seleccionado: GT-P5220
Reading info, please wait…
Modelo del teléfono detectado: GT-P5220
Fecha de creación del firmware: Sat Aug 9 19:48:59 KST 2014
PDA version: P5220XXUBNH2
CSC version: Unknown
Versión del SW: Unknown
IMEI del teléfono: Unknown
Phone SN: RF2F31VH1WV
Android version: 4.4.2 (KOT49H)