If you have a Qualcomm phone with a lost IMEI, search for a device-specific guide on XDA Developers. A universal tool is a myth; your specific chipset (SM8250, SM6350, etc.) requires specific commands.
Once the "Pass" or "Success" message appears, reboot your device. ⚠️ Important Legal and Safety Warnings qualcomm imei repair tool without box
Many "free no-box tools" are actually repackaged with trojans. If you have a Qualcomm phone with a
Several free and paid software tools allow for IMEI repair without requiring a physical box or dongle: Write Dual IMEI Tool your specific chipset (SM8250