Install Champelephon.apk Install Kingroot.apk Press root button It will take some time Kinguser is installed . It will give root permission for the champelephon app IMEI Invalid !! Now its time to fix! open champelephon app Allow super user request Now type both IMEIs from the box of your device into the app Then click apply New IMEIs Now simply reboot your device. Always remember, this is a temporary fix & you have to do these every time you install a new rom, or doing a factory reset. That’s it, You’re done !!