If your phone shows "Invalid IMEI," "Null/Null," or "IMEI 0," you cannot make calls, use mobile data, or send SMS. Your device essentially becomes a Wi-Fi-only tablet.
This is where the MTK IMEI V30 Top comes to the rescue. mtk imei v30 top
✅ Works via USB (VCOM drivers required)
Use official or well-known community-vetted tools (prefer signed vendor tools).
If restoring IMEI, restore from a verified backup or use manufacturer provisioning methods.
Verify radios, network registration, and calibration post-restore.
Log actions taken and retain backups for rollback.