: In many jurisdictions, altering an IMEI number is illegal, especially if the goal is to mask a stolen device. Always ensure you are only restoring the device's original IMEI.
This is one of the most terrifying software failures for a smartphone user. Fortunately, in most cases, this is not a hardware failure. It is a logical corruption of two critical partitions: the (Qualcomm Calibration Network) and the IMEI (International Mobile Equipment Identity) database. qcn imei repair tool