Quality QT-818 I get this error. Help please

Hi,
I requirement your support most this nonachievement please.
The sound is a Quality QT-818 SpreadTrum.
I requirement to bushel because when I attain a call ever said ¨Network error¨.
Many thanks and regards,

Initializing...
DA_LIB_VER_3.6.0.0
It is sensing the pinout fast...
D-=7 D+=6
Searching commport...please wait...
Connecting...
Spd USB-to-Serial=COM137
Connected...sending boot...
FDL test...OK
ArmBootMode: 6600700100025A00_01
Wait for init Commzero Security Engine...
Done.
Loading bootloader...
Done.
Changing baudrate...
Set baudrate to 921600 ok
Reading sound HW info...
Read content is done.
CPU: SC6600L2 Flash: NOR_ST_M58WR064KT
setting the Flash Parameters...
Settings have been completed!
Reading FileSystem info...
File System Ver: 0A
IMEI 1=35327803xxxxxxx (CRC Error)
IMEI 2=35327803xxxxxxx (CRC Error)
Failed to intend come of NV.
Read FS info...done

:confused:

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