How To Solve Invalid IMEI and Serial Number Problems

How To Solve Invalid IMEI and Serial Number Problems of Any Android Smartphone

How To Solve Invalid IMEI and Serial Number Problems of Any Android Smartphone

Recently, I used SP flash tool to flash Stock rom on my Micromax A47. After That, I selected By mistake, Format and Download option ( normally we just download ) and flashed the Stock rom. After successful flashing, I noticed that the IMEI number become invalid and serial number of the device was turned to 00000000. After many try and methods I fixed the invalid IMEI number problem. And Now I  am posting this tutorial on How To Solve Invalid IMEI and Serial Number Problems of Any Android Smartphone.This tutorial will show you Two Working and personally tested  Methods to repair the invalid IMEI on an MTK / MediaTek phone.

For Qualcomm Devices visit here:-
                               Solve Invalid IMEI and Serial Number Problems of Qualcomm Smartphones

How to Know that Your Android Smartphone is a MTK Device or Not?

Now if you don’t know that whether your Android devices are MTK devices or not, then there are two very common Methods:-
  • Method 1: With a tiny Android App:-
  1. Open Google Play Store.
  2. Search “CPU-Z” in it and Download it.
  3. When the Application is Installed, Open the app and you will see all your phones and hardware components models.
  4. On the Main Screen, you will see about 5 menu buttons at the top Click on SOC (System on Chips)
  5. On the SOC menu, you will see the chip and model of your device boldly written at the top portion of your screen.

CPU-Z – Android Apps on Google Play

 Rating: 4.5 – ‎261,185 votes – ‎Free

  • Method 2 is very simple and it is the only way to know that Your phone is MTK Device or not, when your phone is Bricked or not Accessible.In this method, you just have to type Smartphone’s Brand name and Model number on the Google Search Bar and click on Search button.By using this method you will get all of the information about your Smartphone Easily.

Now next thing we have to do is:-

  • Find IMEI and Serial No. of Your Device:-
    • If IMEI and SN is Not Lost than,
      • Method 1: – Dail *#06# To check Your IMEI number, To check Serial Number Go to settings>About Phone>Status.
      • Method 2: – Uncle mobile tool -> Device Information to check the serial number.
  • If IMEI and SN is Lost than,
    • Method 3: – You Can find the IMEI of your Device, from the box of your phone or information under the battery. In some cases, a dual SIM phone will have the same IMEI for both SIM slots.In this case, your carrier doesn’t allow this, or if you have some other reason you need to change the stock IMEI, you may need to generate/calculate /find a new IMEI with the correct checksum

 Method 1.How To Solve Invalid IMEI and Serial Number Problems (Temporary)

We’ll start with one of the easiest methods. It requires a simple app, a few taps, and one line command. Before we start. No Pc or Driver Required in this Method but Remember this will fix your Problem but whenever you format or flash your phone, you have to repeat this method again

solve invalid IMEI and sn Problem in any Android SmartPhone
  1. Download the
      ‎Price – ‎Free
  2. install it and open it.
  3. Now click on MTK settings.
  4. Select CDS Information from the Connectivity tab
  5. Select Radio Information
  6. Select the SIM you wish to change the IMEI on
  7. At the AT+ line for SIM 1, enter AT+EGMR=1,7,FIRST-IMEI-NUMBER. For SIM 2, enter AT+EGMR=1,10,SECOND-IMEI-NUMBER,

After using above method you can easily Fix the invalid IMEI Problem but whenever you format or flash your phone, you have to repeat this method again.

Method 2.How to FIX IMEI and Serial Number (Permanently)

(With CK Telecom’s IMEI & SN Writer)
solve invalid IMEI and sn Problem in any Android SmartPhone
IMEI & SN Writer tool is developed by CK Telecom.IMEI & SN writer can Read & Permanent write SN, IMEI, WIFI & Bluetooth address to any SmartPhone.All Steps are Described below.
Steps For all Android (Root not Required) to fix IMEI and Serial Number Permanently:-
  1.  Download and Extract the package of IMEI & SN Writer from HERE or Here
  2. Download the DB as well as GLU files for your mobile.from Here, Here or Final Here and place all three files in the same folder.
  3.  Run IMEI and SN writer.exe file.
  4.  In IMEI and SN writer Select smartphone and then USB from the drop down menu.
  5.  Click on ‘Select DB’ and attach GLU file over there, First select the .src file and then download the .txt file.
  6.  Now Select Serial Number, IMEI, Bluetooth, Wifi mac address in write item and write what numbers and values you want.
  7. Click on start and turn your phone off.
  8.  Connect your phone in Switched off mode through USB data cable and wait till it flashes and done. An OK message will appear, it means You have Fixed IMEI and SN number Problem successfully.

 

That’s All, I Hope this Guide will Help you to “Solve Invalid IMEI and Serial Number”.This post is for educational purpose only. Here We guide you how to regain serial number to the one which is on your device box ( You should not change serial number to something else)SN consist warranty data so Using Different serial code for infinite warranty is not a good idea and it is also illegal.

About Sourabh Kumar

Sourabh Kumar is a Tech savvy B.Tech(ECE) student living in Jaipur, India. He is a Blogger and fan of photography, technology, Robotics, and design. He is also interested in programming and innovation. He loves technology, gadgets and Spends lots of time with them.

View all posts by Sourabh Kumar →

35 Comments on “How To Solve Invalid IMEI and Serial Number Problems”

  1. Prashant Link and software is working fine.After getting Your Comment i Personally Downloaded and checked.
    If Software is not working then you can do 2 things
    1) Re-download it "i thing it is not completely downloaded."
    2)Run it in Windows xp Compatibility mode with admin Permission.

    1. I think You are facing this issue due to the one of the three Issues.
      1) You are Not doing step 7 & 8 correctly.
      2) Your Smartphone's nvram is corrupted due to downgrad process or formating process .
      3) You Flashed a wrong Flash file(other phone's Flash file).

      I will suggest you 2 easy way or trick but do it on your own risk we will not be responsible for any damage.

      First Make a complete backup of your phone.and then
      1)First Follow Method 1 and Then Follow method 2 from the post.
      2)Restore Backuped Rom or Flash Stock Flash File.and then Follow Method 1 and Then Follow method 2 from the post.

      in 2nd way we are first saving the data temporary and then we are making it permanent.and it will be also easy for you.
      Almost one Year Ago I faced same Problem in Spice Mi 506
      and i solved it with 2nd way or trick.
      so follow these Tricks.and share your experience with us.
      if success then it will help others and if unsuccessful then we will ask with other Respected experts.

      Thank you For commenting.and Keep Visiting

  2. Sir i download all requir file done same procces but…in sn no writer all ways show me enter meta mood fail. some days ago i formate my lenovo s850 n i lose my imei sn Bt adss wifi adds..also facing problem with sim network…i have valid imei n all adds which is write back side on my phone…plz help me how to proper write methode..

    1. Hi Kabir
      After Reading Your Comment.I think You are facing this issue due to the one of the three Issues.
      1) You are Not doing step 7 & 8 correctly.
      2) Your Smartphone's nvram is corrupted due to downgrad process or formating process .
      3) You Flashed a wrong Flash file(other phone's Flash file).

      I will suggest you 2 easy way or trick but do it on your own risk we will not be responsible for any damage.

      First Make a complete backup of your phone.and then
      1)First Follow Method 1 and Then Follow method 2 from the post.
      2)Restore Backuped Rom or Flash Stock Flash File.and then Follow Method 1 and Then Follow method 2 from the post.

      in 2nd way we are first saving the data temporary and then we are making it permanent.and it will be also easy for you.
      Almost one Year Ago I faced same Problem in Spice Mi 506
      and i solved it with 2nd way or trick.
      so follow these Tricks.and share your experience with us.
      if success then it will help others and if unsuccessful then we will ask with other Respected experts.

      Thank you For commenting.and Keep Visiting

    1. i am not able to find md1_db & glu file in my stock rom my chip set is mtk6592 i know my imei but i don't know serial number how do i get my serial number back .because unless and until i get my serial number back i wont be able to restore my imei pls help me

    2. You Can find the S.No of your Device on the box of your phone or information under the battery.
      you can't find md1_db & glu files on stock rom.they are not of rom you have to find and download from google.

  3. Brother i inform on your facebook also… that is your download links is not working… plaese notice on that problem… provide all three links of imei sn writer and db fole anf glu file of mediafire site… ur links not working… when download file by uc browser imei sn writer it s download in only on 17 kb… and open it its btoken… please provide working mediafire links… please

    1. Buddy this is not our mistake,i downloaded all files from the given links and all of the links are working fine.
      Just use a java enabled browser like Firefox in windows and download it.or download the 4shared's app and download it.
      Check and download again…….

  4. No I had flashed pure stock ROM on lenovo k3 note a I also getting ota updates,
    I flashed my imei and barcode no with Maui meta 3g software
    But I don't know how to flash serial number
    Please help me
    I flashed Stock ROM from XDA developpers

  5. Thanks for the tutorial ! Appreciate your work . I fixed IMEI and WiFi Mac address . But still I am not able to fix the serial no on my Lenovo K5 note . Serial no as become :00000000

  6. This problem raised When I flashed my lenovo s850 with custom rom when the flashing is done it worked but when I inserted my sims it showed me invalid imei then I typed *#06# it showed me invalid imei, ihav googled it & fixed my WiFi nvram error & successful with imei.zip method and pasted my imei numbers but same problem arises that no service when I inserted my sim & serial number also gone, it is showing sn:0000000,Any suggestions to solve my problem?
    Thank you.

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