Intro: Hello guys i had used SP flash tool to flash stock rom on my micromax canvas a1. After That i selected Format and Download ( normally we just download but i selected format and download ) and found flashed the rom. Now i noticed the serial number of the device was turned to 00000000 and imei number to invalid. So now i fixed the invalid IMEI number problem. ANd i am back with a tutorial on how to regain serial number back of you phone to regain warranty. CHECK THIS VIDEO BEFORE MOVING FURTHER - To check IMEI number dail *#06# To check Serial Number just connect your phone to PC ( usb debugging ) and type adb devices ( correct adb files needed ) You can also use Uncle mobile tool -> Device Information to check the serial number Using Different serial code for infinite warranty is not a good idea as there is serial code printed behind the phone.:P and its illeagal. Note: This post is for educational purpose only.

Here i will be teaching you how to regain serial number to the one which is on your device box ( u should not change serial number to something else ) Customer service refuse to help me with a wrong serial code so i found out how to regain old serial number. ROOT + NON ROOT METHOD:Step 1. Tia portal v12 manual na russkom. Download and Extract the package given below. Run IMEI and SN writer.exe file. Download the DB as well as GLU files for your mobile.

Backup NVRAM/IMEI Data: 1. Connect your phone to your PC via a USB cable. Open Command Prompt and issue the command adb devices. It will ask to allow USB debugging. Again, issue the command adb devices. You will see your device serial number in the connected devices list.

In IMEI and SN writer Select USB and then smart phone Step 5. Click on 'Select DB' and attach GLU file over there, Later on attach DB file ( once you double click on GLU file the popup wont go, U again need to select the DB file ) Step 6. Now Select Serial Number, IMEI, Bluetooth, Wifi mac adress in write item and write what numbers and values you want.

Click on start and turn your phone off. Connect your phone in Switched off mode and wait till it flashes and done. You have changed BT WIFI IMEI and SN number. YOUTUBE TUTORIAL ON IMEI NUMBER CHANGING USING THIS TOOL You can find more tutorials so subscribe to my channel.

Download Files: Credits: You can also find video tutorials at Youtube - Follow me on twitter - Like us on Thank me on xda Buy me a coffee Website: You can find more social media platforms at You can find DB and other files in stock rom of your phone i.e. Extract the stock rom and there will be a database folder. This folder will contain all the db files. Quote: Originally Posted by kustom.hackers Intro: Hello guys i had used SP flash tool to flash stock rom on my micromax canvas a1. After That i selected Format and Download ( normally we just download but i selected format and download ) and found flashed the rom. Now i noticed the serial number of the device was turned to 00000000 and imei number to invalid.