Method 1: Engineer Mode (No Root Required)
* Dial *#*#83781#*#*
* In Engineer Mode (Under Telephony), select Set IMEI
* Input the IMEI the click Set IMEI
* Select OK when prompted to reboot
Method 2 : Shortcut Master (Root Required)
Requirement
* Rooted phone
* Install Shortcut Master (lite)
Procedure
* Launch Shortcut Master (lite)
* Press the Menu button and select Secret Code Explorer
* Wait for loading to begin and complete
* You should see a list of apps
* Scroll down to
83781
EngineerMode
EMStartReceiver
and select 83781
* Select Launch 1
* Click on the Telephony tab
* Scroll down to Set IMEI and select it
* Insert the IMEI then click Set IMEI
* You’ll get a prompt saying “In order to guarantee the system to set the correct IMEI, recommended to restart the system” , select Ok
* The phone will automatically restart
Method 3: IMEI Write Tool
Requirement
* PC
* Download Spreadtrum IMEI Write Tool
Procedure
* Enable USB Debugging on the phone then connect it to PC (Settings > Developer)
* Launch the Spreadtrum IMEI Write Tool
* Click Mode Sel
* Tick Normal Mode then click Select
* Click Write
* Reboot the phone and the new IMEI should reflect