If you cannot find a download link, you can generate your own using MTK Droid Tools while your device is connected via USB debugging. How to Use the MT6592 Scatter File To flash your device, you will need the SP Flash Tool and the correct VCOM drivers
If you own an older device with this chipset and have encountered a , software corruption , or a dead IMEI , you need to flash the stock firmware. And before you can flash anything using the SP Flash Tool (Smart Phone Flash Tool), you must have the correct MT6592 Android scatter file . mt6592 android scatter file download link