🔧 SN Writer Tool – Restore IMEI, MAC, BT & SN on MTK Devices SN Writer Tool is a lightweight Windows utility designed to restore IMEI, Wi-Fi MAC, Bluetooth address, and Serial Numbers (SN) on devices powered by MediaTek (MTK) chipsets. It is commonly used to fix Invalid IMEI or Null IMEI issues after flashing. ⚙️ Main Features: Restore Original IMEI on MTK Devices
Write Wi-Fi MAC & Bluetooth Addresses
Reprogram Device Serial Number (SN)
Supports Feature Phones & Android Smartphones
Compatible with Latest MTK Preloader Drivers
⚠️ Legal Notice: Changing or tampering with IMEI is illegal in many regions. This tool is strictly for restoring the original IMEI and other identity values. We do not recommend altering or spoofing device information.
📥 Download SN Writer Tool for Windows (All Versions) SN Writer Tool is a Windows-based utility that lets you write IMEI, Wi-Fi MAC address, Bluetooth address, and WiFi address on MediaTek (MTK) powered smartphones, feature phones, and tablets.
It is widely used to restore the original device identity after flashing stock firmware or when facing issues like Null IMEI or Invalid IMEI.
📲 How to Restore IMEI Using SN Writer Tool
Follow the steps below to successfully restore IMEI, Bluetooth, and WiFi addresses on your MediaTek-powered device using SN Writer Tool:
🛠️ Step-by-Step Guide:
Download & Extract
Download the latest version of SN Writer Tool and extract it on your computer.
Install USB Drivers
Install the official MTK USB Drivers to ensure your device is detected properly.
Launch the Tool
Open the extracted folder and run **SN Writer.exe**.
Select Connection Mode
Click on ComPort and choose USB VCOM.
Set Target Type
Click on Target Type and select Smart Phone from the list.
Configure Write Options
Click on System Config, then tick the following options:
✅ IMEI
✅ BT Address
✅ WiFi Address
Load Database Files
Browse and select the MD1_DB and AP_DB files (you can find them in the firmware folder of your device).
Click Save once selected.
Begin the Process
Click on Start, then enter the IMEI number when prompted.
Connect Your Device
Power off your MTK device, then connect it to the PC using a USB cable.
The tool will automatically detect and begin writing the IMEI and other info.
✅ Done!
Once completed, you will see a success message. Your IMEI, WiFi, and Bluetooth addresses should now be restored.
📖 Readme Once
⚠️ Caution:
Writing or modifying an IMEI number other than the device's original is illegal and may lead to serious legal consequences.
🔄 Recommendation:
For the best compatibility and stable performance, always use the latest version of the SN Writer Tool.
🏷️ Credits:
SN Writer Tool is developed and distributed by MediaTek Inc.
Full credit goes to them for providing this utility free of charge for public use.
