problem repair imei n7105

hello I can not be recognized by the phone. if imposed dm over UART the error is:

Welcome to Octoplus/Octopus Box Samsung software version 1.5.0

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To connect GT-N7105 phone you have to perform the following steps:

1. Disconnect USB cable from phone.

2. Go to Menu->Settings->Developer options.

3. Turn on "USB Debugging" option.

4. When message is appear press "Yes".

5. Go to dial window.

6. Enter "*#7284#" number.

7. Set "UART" radio button to "MODEM" value.

8. Go to "Qualcomm USB Settings".

9. Select "RNDIS+DM+MODEM".

10. Close window.

11. Go to dial window.

12. Enter "*#9090#" number.

13. Select "DM/UM over HS-USB".

14. Restart phone.

15. Press "Read Info" in software.

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Platform: Samsung Android

Selected port: COM1

Selected model: GT-N7105

Phone was not found on the selected port!

Searching for USB diagnostic port...

No diagnostic ports found!

Connecting to phone on COM3

Phone connection failed



however, if imposed: DM/DUM over HS-USB is



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Platform: Samsung Android

Selected port: COM5

Selected model: GT-N7105

Phone was not found on the selected port!

Searching for USB diagnostic port...

Connecting to phone on COM5

Mode: Emergency

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Platform: Samsung Android

Selected port: COM5

Selected model: GT-N7105

Mode: Emergency

Write IMEI failed



???

phone is root

firmware is 4.1.1

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