How To Repair Zenfone 3 MAX IMEI To Fix Network [MTK device]

Asus previous year launched Zenfone 3 MAX in the smartphone market. If you facing network issue or IMUI null in IMEI option then this guide will help you. IMEI went after installing OTA updates or custom ROM’s, don’t worry today we share how to Repair Zenfone 3 MAX IMEI to fix network MTK device.

IMEI International Mobile Equipment Identity all phones need to register the device with Service provider to active data, SMS, call service. Without IMEI can’t possibly register your device to Service Provider if in your device no IMEI or invalid IMEI then no signal will come. Mtk device easy way can change the IMEI by this MauiMETA Tool.

This method will work for all mtk device. If you want to Repair Zenfone 3 MAX IMEI then check complete guide before doing this process. So let’s go to this process.


  • First of all check, IMEI is NULL or not if NULL (blank) then follow this step.
  • Download MTK USB driver from HERE.
  • Download MauiMETA_v9.1635.23 Tool and install it on your computer.
  • Need a root file explorer.
  • Read guide.

⇓⇓ Download Required tool and files ⇓⇓


How To Repair Zenfone 3 MAX IMEI

  • First Open file manager.
  • Then navigate to root > ETC > MDDB and copy the BPLGUInfoCustomAppSrcP file to the computer.
    If you don’t find this file in your device then download BPLGUI file from HERE we already extract for you (but this file doesn’t work in all device).
  • Open MauiMeta and click on Reconnect option.

Maui META Tool for MTK device

  • Then turn off your device and connect to the computer via USB cable.
  • Wait 30-60 sec, MauiMeta Tool recognizes your device.
  • Select IMEI download from the selection menu.
  • Now you will see a new popup window, select Change NVRAM Database file.

Maui META Tool for MTK device

Maui META Tool for MTK device

  • Then click on NO button and select the BPLGUInfoCustomAppSrcP file.
  • After that, you place the IMEI 1 and IMEI 2 number. (please ignore the last digit of your IMEI number, entering only the first 14).

Maui META Tool for MTK device

  • Click on ” Download to flash ” after process complete reboot your device.

Maui META Tool for MTK device

  • Now enjoy.

More Guides:-

If you want any further queries then comment below in the comment section, … 🙂 🙂 🙂
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  1. bengs says

    hi there, i have succesfully write imei using this method, right now im going to change my serial number, bcause my SN is 11111111111, so i want to change it to the real one, can you help me what to do to change my SN, is it using the same NVRAM database file above???
    i have tried barcode download using NVRAM file above, but it doesnt change my SN, please help me…

    1. nitya says

      you can also write sn via this tool change it from download menu

  2. fabio says

    ciao ! mi da errore e dice di svuotare la memoria dump. non so che fare

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