If your phone has accessible:
Older IMEI tools fail on newer Android versions due to: mtk imei repair tool
Disclaimer: This process requires a Windows PC, USB cable, and MTK USB drivers. Proceed at your own risk. If your phone has accessible: Older IMEI tools
IMEI repair should only be used to restore the device’s original, legal IMEI number legal IMEI number Without drivers
Without drivers, your PC won’t detect the phone in download/meta mode.