SN Write Tool

How to use SN Write Tool [GUIDE]

SN Write tool is developed by Mediatek, with the help of SN Write tool, you can flash IMEI on MediaTek devices. These are the instructions to change or write IMEI on MediaTek devices using SN Write Tool on windows computer. Below we have managed to share a brief guide to flash IMEI of MediaTek devices using SN Tool.

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Requirements: The following tutorial will only work on MediaTek devices.

Change or Write IMEI using SN Write Tool

SN Write Tool

Step 1Download and extract SN Write tool on your computer. After extracting you will be able to see the following files:

How to use SN Write Tool

Step 2: Now, Open SN Writer.exe.

Step 3: Once Tool is launched, you will be able to see the following screen:

SN Write Tool

Step 4: Now, Click on the ComPort and select USB VCOM.

SN Write Tool

Step 5: Now, Click on Target Type and select Smart Phone (only if you want to write IMEI on Smartphone. If you want to write IMEI on FeaturePhone, then select FeaturePhone option).

sn write tool

Step 6: Now, click on System Config Button.

sn writer tool tutorial

Step 7: Once System Config is launched, Select IMEIBT Address and Wifi Address in Write Option.

sn write tool how to

Step 8: If you have Dual SIM device, then select Dual IMEI Option (if you have single SIM device then dont select any option).

sn flash tool

Step 9: Now, Under the Database File Option, Add the “MD1_DB” and “AP_DB” (both files comes with the firmware of your device).

Step 10: Now, Click on Save Button.

Step 11: Now, Click on Start Button.

Step 12: Now, Under the Scan Data write the IMEI_1 and IMEI_2Bluetooth AddressWifi Address and click on OK button.

sn write tool

Step 13: Now, you can connect the phone through USB after switch off the phone and plug out the battery, and it will appear situation as follows:

Step 14: Once, IMEI writing is finished you will be able to see the Green Pass Message.

sn write tool mediatek


  1. With the help of SN Write tool, you can flash IMEI on MediaTek devices.
  2. Caution: Flashing IMEI other than the original is illegal, and may cause serious troubles to you. So, be aware of what you are doing.
  3. This website doesn’t force you to change the device IMEI. We only, guides you how it is done, so takes no responsibility what you did or will do with the IMEI codes on your device.
  4. Credits: SN Tool is created by MediaTek Inc. So, full credits go to them for the tool.

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