T
Tyler BrownAug 13, 2025
What to do if my KERUI KR-K7 can't read the SIM card?
- KKelly HendrixAug 14, 2025
If your KERUI Security System host can't read the SIM card or isn't dialing and texting the preset alarm phone number, try these solutions: First, insert the SIM card correctly. If it still doesn't work, cancel the PIN code associated with the SIM. Ensure you are in a location with a strong signal. Try using a normal SIM card. Also, make sure you have set the alarm phone number and message alarm number in the system settings. Charge the SIM card and activate the message function.






