How to Fix Unknown Baseband on an Android phone with a miracle box (MediaTek)

In this guide, I show the steps to flash secro to fix Unknown Baseband on a Mediatek Android phone with a miracle box

Unknown baseband is an issue Mediatek Android phones face after flashing a custom ROM or stock ROM, secro partition holds the baseband information, if one can get the same device with a valid baseband then can use miracle box to backup firmware of the device and flash the secro file with the below guide.

Pre-requisites

• Install Mediatek VCOM USB Driver Win 7 | Win 8/10
• Download Miracle Box
• MTK (Mediatek) Android phone with a valid baseband and IMEI
• Winrar to Extract the Miracle Box
• Original USB cable

Instructions to flash secro to fix Unknown Baseband on a Mediatek Android phone with a miracle box

Watch the below video or follow the below steps to flash secro to fix Unknown Baseband on a Mediatek Android phone with a miracle box

1. Open miracle box

2. Click MTK tab, services tab, write, browse

3. Locate the folder you saved the secro, preloader and scatter file and open the scatter file (the three files must in the same folder, secro, preloader and scatter file).

4. Once the file has been uploaded, click the Start Button

5. Switch off the phone and connect to PC with a USB cable

6. Click OK button

7. If the phone connected, Miracle Box will write secro and you will see Done as in the below screenshot once successful.