Locate the correct IMEI number for your device. You can find it by dialing *#06# on the phone dialer, or by looking at the sticker under the battery (if your phone has a removable battery). For dual-SIM phones, you will need both IMEI 1 and IMEI 2.
Under the IMEI parameters, check the boxes for and IMEI 2 (if your device is Dual-SIM). Click Save or OK . Step 4: Input the Factory IMEI Numbers Sc7715 Imei Tool Download