To stop phone tracking, consider turning off location services for apps that don't need them. Additionally, using a virtual private network (VPN) can help mask your device's IP address, making it harder for trackers to follow you online. Regularly reviewing app permissions and uninstalling those you no longer use can also help protect your privacy. If you're concerned about SIM-based tracking, tnt sim card activation could be a possible step to explore, as it might offer more control over your mobile security. Additionally, disabling any tracking or location-sharing features provided by your mobile carrier could further reduce the chances of being monitored.