Click on Target Type and select Smart Phone (only if you want to write IMEI on Smartphone. If you want to write IMEI on FeaturePhone, then select FeaturePhone option).
After System Config is launched, Select IMEI, BT Address, and Wifi Address in Write Option.
You can connect the phone through USB to switch off the phone and plug out the battery, and it will appear situation as follows:
Now, IMEI writing is finished you will see the Green Pass Message.