Once the flashing process hits 100%, disconnect the phone, turn it on, and dial *#06# to see if the original IMEI numbers have automatically restored. Method 2: Repair via Maui META Tool (Professional Method)
Always weigh the risks of voiding your warranty or potentially bricking your device against the benefits of attempting a DIY repair. If you are not confident, it's best to leave it to the professionals.
This is the simplest method if the device still powers on and allows dialer input. Turn on your Alcatel 2012D.