: Use the MTK Driver Auto Installer as Administrator. Manual Check : Open Device Manager .
: Use a high-quality USB data cable. Many "charging" cables lack the data wires needed for flashing. skachat draivera mtk 6572
: Download the latest stable version (v5.x is recommended for MT6572) from the SP Flash Tool official thread on 4PDA or spflashtool.com . Troubleshooting Tips : Use the MTK Driver Auto Installer as Administrator