It’s important that you shred or dispose of your old SIM cards properly. You can always buy a new cellphone, but changing the SIM card should suffice. The only drawback is not all carriers have converted to the eSIM technology. This type of SIM card is hardwired into newer smartphone models like the Google Pixel models and the newest iPhones. It isn’t likely that someone can clone a cell phone that is attached to an eSIM. Whether your carrier is on the CDMA network (Sprint and Verizon) or the GSM (AT&T and T-Mobile) network, updating the SIM card number within the carriers system means the hacker can no longer use your phone number. The first action you should take if you feel that your phone has been cloned is to get a new SIM card. While there is little to do to completely prevent it, these basic precautions will lower the chances significantly. Cellphone cloning isn’t as prevalent as it once was, but it still happens. To prevent wireless interception of your information, turn off Bluetooth and WiFi when you’re not using them.ĭon’t install suspicious apps that you aren’t 100% certain aren’t Cloneware. You should definitely secure your phone using a PIN number or a biometric (fingerprint) password so that if you lose your phone, someone else can’t get access to it. However, this will only work if the location is enabled on the phone. These are not exact, but they should at least offer a clue if your phone has been cloned by someone in a different country. If you use iPhone, Find My iPhone to do the same. If you use Android, use Google Find my Phone to check your phone’s location. If you do suspect foul play there are a couple of other things you can check. Your phone suddenly stops making phone calls or connecting to the cellular network – this happens when someone duplicates a SIM card and puts it in a different phone.More and/or unusual call activity on your bill.Disappearing voicemails or difficulty accessing your voicemail.More wrong numbers or abandoned incoming calls than usual.A sudden increase in calls or SMS messages from unknown or unfamiliar numbers.A call from your carrier asking if you have traveled.However, there are a few telltale signs that may indicate your phone has been cloned, including:

Here is an article to help you prevent your cell phone from being tracked.

Tracking the location and activity of your phone is different from cloning.

Phone cloning app for android