Many versions automatically calculate the 15th check-digit of an IMEI when the first 14 digits are entered. How to Use the SC7715 IMEI Tool
Some lightweight APK-based tools like IMEI Changer require the device to be rooted and have the Xposed framework installed to function. sc7715 imei tool latest version
: Click on Mode Select , choose Normal Mode , and then click Select . choose Normal Mode