: Stock ROM/Firmware for your target device (needed to extract the database files). Step-by-Step Tutorial: How to Use IMEI SN Writer 1.5.3

Click on the button. Browse to your stock firmware folder, select the modem database file (e.g., MDDB_InfoCustomAppSrcP_... ), and click Open.

In the main interface:

: It supports a wide range of MTK devices, including smartphones, feature phones, and even MediaTek-based smartwatches. Dual SIM Support

Install the latest MTK VCOM drivers on your Windows PC.

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: Utilizes specific MediaTek database files ( MD1_DB and AP_DB ) from the device's official firmware to ensure precise calibrations.

Simple, straightforward GUI for easy navigation.

Windows 7, 8, 8.1, 10, or 11 (Both 32-bit and 64-bit systems are supported). 2. MediaTek USB VCOM Drivers

To use the tool successfully, your setup must meet these criteria: Windows XP, 7, 8, 10, or 11 (Run as Administrator).

Extract the downloaded tool and run SN Writer.exe as an Administrator . Configuration: Set ComPort to USB VCOM . Set Target Type (e.g., Feature Phone or Smart Phone ).

Follow these steps carefully to write or repair your device's identity credentials. Step 1: Configure the Tool Settings

In the section, check the boxes for the numbers you need to restore (e.g., IMEI 1 , IMEI 2 , Dual IMEI ). Click the START button at the bottom of the window.

If you need help resolving a specific error or finding the right files, tell me: The of your MediaTek device.

: Includes options to write dual IMEI numbers for multi-SIM devices.

Bluetooth Address (BT Addr) and Wi-Fi MAC Address. Hardware Info: Barcode data and Board Serial Number. Step-by-Step Guide to Using IMEI SN Writer Tool 1.5.3

: Some users report that the tool can be prone to software crashes or "one hundred percent errors" if the database files do not perfectly match the firmware.