Why does the chipset matter? Because MediaTek devices use and scatter-loading , which is different from Qualcomm’s QFIL or Samsung’s Odin. The TA-1070 is notoriously easy to brick if you flash the wrong preloader.
To flash the Nokia TA1070 using UMT, follow these steps: nokia ta1070 flash file umt full
Once detected, UMT will begin writing the partitions. It is critical the cable during this time, as it could permanently damage the device's bootloader. Why Flash Your TA-1070? Why does the chipset matter