Modifying or repairing the IMEI (International Mobile Equipment Identity) number of a mobile device is illegal in most jurisdictions (including the US, EU, UK, Canada, Australia, and many others). IMEI alteration is typically classified as a felony, punishable by fines and imprisonment.
: The tool writes the original, valid IMEI back to the device to restore network functionality. Checking Device Information lg g8 imei repair
You cannot fix an LG G8 IMEI with free apps from the Play Store. You need professional tools. lg g8 imei repair