In several countries, including India, the allows users to block, unblock, and trace their lost/stolen phones directly on a government portal. It is a free, official resource aimed at assisting law enforcement and citizens. 2. Google "Find My Device" (Android)
C5 CDR Analyzer is a free mobile application designed specifically for investigating officers. It allows users to import and analyze Call Detail Record (CDR) data through an Android device. imei tracking software used by police free