If building AOSP/LineageOS:
Follow these troubleshooting steps in order to bypass the error and successfully complete your operation. Step 1: Update Your Flashing Utility (SP Flash Tool)
Many newer phones (especially Nokia, Vivo, Oppo) have secure boot enabled. The tool needs an .auth file to proceed. platform mt67 not supported on this version
Click and select MTK_AllInOne_DA.bin from your local folder.
Keep your SP Flash Tool and ROM folders directly on the C: drive. Long file paths with spaces or special characters confuse the flashing environment. Click and select MTK_AllInOne_DA
: If you are flashing a device with secure boot, the default DA file may not work. You may need to manually select a specific DA file (often named MTK_AllInOne_DA.bin or a device-specific version) by clicking next to the Download Agent field in the tool. Run in Compatibility Mode : Some users have success by right-clicking flash_tool.exe , selecting Properties > Compatibility , and running it for Windows XP (Service Pack 3) Administrator Check Scatter File Integrity
# General Configuration # Chip: MT6735 # Platform: MT6735 : If you are flashing a device with
Open the Windows Device Manager, select your system node, click Action -> Add legacy hardware , and manually point the wizard to your downloaded .inf driver structure. 4. Configure Authentication and Download Agent Profiles
Download and execute a fresh, digitally signed installer bundle for MediaTek Auto USB VCOM Drivers.
Are you using a high-quality data cable and a USB 2.0 port (USB 3.0 can sometimes cause sync issues)?