K373 Cricket unlock problem ?

Hi.
I try to unlock K37311y from Cricket but get errors.

Phone is connected in Normal mode.
This is Read Info

Code:

---

on USB Serial Port:

Reading timeout, check cable
Error Code: ReadInfo,1,1
Elapsed: 2 secs. --> (v9.44)

======================================
on USB Modem Port:

Mode: Normal
Model:
Build version:  xр~
SW Version:
IMEI: BAD IMEI
BlueTooth Address: 00:00:00:7E:BB:01
Phone Code:
SPC:
Elapsed: 0 secs. --> (v9.44)

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This is Read QCN on Serial Port and on Modem Port:

Code:

---

        Serial Port
Reading timeout, check cable
Error Code: ReadInfo,1,1
Elapsed: 2 secs. --> (v9.44)
 
        Modem Port
Mode: Normal
Model:
Build version:  xр~
SW Version:
IMEI: BAD IMEI
BlueTooth Address: 00:00:00:7E:BB:01
Phone Code:
SPC:
Elapsed: 0 secs. --> (v9.44)
 
Checking phone at COM377
No answer from phone
Elapsed: 4 secs. --> (v9.44)

---

This is Read NVM on Serial Port and on Modem Port:

Code:

---

        Serial Port
Reading timeout, check cable
Error Code: ReadInfo,1,1
Elapsed: 2 secs. --> (v9.44)
 
        Modem Port
Mode: Normal
Model:
Build version:  xр~
SW Version:
IMEI: BAD IMEI
BlueTooth Address: 00:00:00:7E:BB:01
Phone Code:
SPC:
Elapsed: 0 secs. --> (v9.44)
 
NV read...
Reading timeout, check cable
Error Code: ReadNV,2,3029
Error read block: 3029
Elapsed: 16 secs. --> (v9.44)

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How to make NVM Backup and unlock this K373 from Cricket ?