Use a high-quality USB data cable and a direct rear USB port if using a PC.
If you are using a device with high security (like newer Xiaomi or Oppo models), the default MTK_AllInOne_DA.bin may fail. Download a Custom DA file specifically for your chipset (e.g., DA_6765_6785.bin ) and load it in the "Download-Agent" field in SP Flash Tool. Update Flash Tool and Bypass Auth sp flash tool status ext ram exception
: Using a general DA when a specific "Custom DA" is required for your chipset's security patch. Use a high-quality USB data cable and a
: For modern MTK chips, use an MTK Auth Bypass tool to disable the secure boot requirement before clicking "Download" in SP Flash Tool. Reinstall Mediatek Drivers Update Flash Tool and Bypass Auth : Using
: Flashing a ROM intended for a slightly different hardware revision or model (e.g., trying to flash model_A firmware on model_B hardware).