Open the tool on your PC and select the "Connection" tab.
Install the MTK (MediaTek) USB VCOM drivers on your computer. Method 1: Using the Engineering Mode (No PC Required)
phone to the USB. The tool should detect it and complete the write process. 2. Using Professional Service Boxes (Miracle / Sigma) alcatel 2012d imei repair
A window will pop up. Enter the 15 digits of your IMEI (the checksum digit usually calculates automatically). Flash: Click Download to Flash .
Enter your device's in the boxes provided. Open the tool on your PC and select the "Connection" tab
Under "Target Type," select (since the 2012D is not a smartphone). Click System Config and check the IMEI box.
The International Mobile Equipment Identity (IMEI) is a unique 15-digit number assigned to a mobile device. It's used to identify a device on a cellular network. The tool should detect it and complete the write process
If after all methods the phone still shows invalid IMEI, the flash memory chip itself may be physically damaged. In that case, professional motherboard repair or replacement is the only option. But for 95% of software-induced IMEI corruption, the methods above will bring your Alcatel 2012D back to life.