SIM Guard is a professional security app that detects and immediately alerts you to attempts to tamper, clone, or hack your smartphone's SIM card in real time.

? KEY FEATURES
- SIM card replacement detection
- Detection of change in phone number (Line1Number)
- Detection of change in telecommunication company (MCC/MNC)
- IMEI (device identification number) change detection (supports Android 9 and below)
- Detect SIM deactivation or removal
- Immediate notification and pop-up warning when there are signs of suspected hacking
- Save and check all event history as a list
- Suspicious hacking events are highlighted and distinguished
- Real-time status updates within the app

? How does it work?
- The app monitors SIM status in the background.
- Immediate notifications and warnings are sent when signs of tampering/duplication/swapping occur.
- All detection history is stored safely with date.

?️Why SIM Guard?
- Prepare for mobile carrier impersonation attacks, SIM swapping, device theft, etc.
- Simple to use without separate registration or login
- No personal information is collected, only SIM status is monitored

※ SIM Guard never collects user personal information.
※ Depending on Android policy, some functions may be restricted depending on the OS version.

Install now and strengthen your communication security!