→ Disconnect → Reboot
Comprehensive Guide to SPD IMEI Repair Using UMT Tool Repairing or restoring an IMEI (International Mobile Equipment Identity) number is often necessary when a device displays "Invalid IMEI" or "Null IMEI" after a software update or firmware corruption. For devices powered by or UNISOC chipsets, the Ultimate Multi Tool (UMT) is a professional-grade solution used by technicians worldwide. Understanding the Basics