Flash Tool v5.1420.00 is a specialized, lightweight software utility designed to flash stock firmware, repair corrupt software, and remove security locks on MediaTek (MTK) feature phones. While modern smartphones dominate the market, MTK-based keypad devices remain vital for reliable communication, long battery life, and industrial use.
: Includes features to test and verify the device's external memory.
Before starting the flashing process, ensure you have the following ready:
Before you begin the flashing process, ensure you have the following components ready: Flash Tool v5.1420.00 executable. USB Drivers: MTK USB VCOM drivers installed on your PC. flash tool v514200 mtk keypad exclusive
Hold the device's (usually the Center Menu button, Call button, or '0' key depending on the model).
Redownload the stock ROM; disable DA checksum options in settings. Device disconnected physically during write phase.
The device fails to power on due to a failed previous firmware update or corrupted NVRAM. Flash Tool v5
While holding the boot key, insert the USB cable connected to the PC. Step 5: Monitor Progress Indicators
Extract the contents using WinRAR or 7-Zip to an easily accessible directory, preferably your local disk root (e.g., C:\Flash_Tool_v5.1420.0 ). Avoid paths with spaces or special characters. How to Flash MTK Keypad Phones Using v5.1420.0
If you are dealing with a specific device issue, let me know: What is the of the keypad phone? Which MediaTek chipset does it use? Before starting the flashing process, ensure you have
Locate the or Config button within the user interface.
: Confirms a successful write process. You can safely disconnect the device. ⚠️ Troubleshooting Common Error Codes Error Message / Code Root Cause Definitive Fix BROM ERROR: S_FT_COM_PORT_OPEN_FAIL Dead COM port link or broken USB connection. Swap USB cables; move to a direct motherboard USB port. S_DA_CHKSUM_ERROR Corrupted firmware files or bad extraction.
was officially released by MediaTek Inc. as a portable utility to flash or install Stock Firmware on devices powered by MediaTek chipsets, including smartphones, tablets, and feature phones. At the time of its release, compatibility covered Windows XP through Windows 10 (both 32-bit and 64-bit architectures).