Connect powered-on phone to PC with Micro USB cable;
Install necessary driver;
Click "Unlock" button;
Follow software instructions (promts).
Note: To connect the phone in normal mode you need:
Disconnect cable and power phone on
In call window input ##634# and click "call" button. After this in list of application will be avaliable "MFG" application
Execute MFG and input password 277634#*# - You will enter into Engineer menu
Go to Engineer menu -> Port settings -> USB switching and select "QC COMPOSITE"
After rebooting, connect cable, install drivers and repeat the operation
TICK INFO,BACK UP NVM,UNLOCK!




you can write any good imei
imei invalid.. hit imei fix
enter new imei ok imei fix ..
read info now phone ok .

thank you very much octopus team for helping me..
Install necessary driver;
Click "Unlock" button;
Follow software instructions (promts).
Note: To connect the phone in normal mode you need:
Disconnect cable and power phone on
In call window input ##634# and click "call" button. After this in list of application will be avaliable "MFG" application
Execute MFG and input password 277634#*# - You will enter into Engineer menu
Go to Engineer menu -> Port settings -> USB switching and select "QC COMPOSITE"
After rebooting, connect cable, install drivers and repeat the operation
TICK INFO,BACK UP NVM,UNLOCK!




you can write any good imei
imei invalid.. hit imei fix
enter new imei ok imei fix ..
read info now phone ok .

thank you very much octopus team for helping me..