Extract the downloaded Flash Tool v5.1420.00 ZIP file to an accessible folder (ideally your Desktop).
This version focuses on compatibility with feature phones, offering several "exclusive" capabilities: flash tool v514200 mtk keypad exclusive
What specific are you trying to fix (e.g., forgotten password, bootloop, dead phone)? Which Windows operating system version are you using? Extract the downloaded Flash Tool v5
Power off your MTK keypad phone completely. Remove and re-insert the battery if possible. flash tool v514200 mtk keypad exclusive