If the device still powers on, try to back up your NVRAM data. The scatter file handles the "Preloader," and a mistake here can kill the device’s ability to communicate with the PC. Where to Find the File?
Different memory controllers, different partition addresses. You will corrupt the preloader. mt6768 scatter file
USB driver mismatch or missing DA_SWSEC.bin for MT6768. Fix: If the device still powers on, try to