Open your browser and go to the official HaveUBeenFlashed URL (search for their verified Twitter account to find the correct link).
Use the international format (e.g., +1 for the US, +44 for the UK). The new system uses client-side hashing, but you should still never enter a work SIM or primary banking line. Use a secondary or VOIP number if you are merely testing the tool.
The homepage will feature a prominent banner reading "NEW: Real-Time SIM Swap Monitor." Click "Start Check."
Open your browser and go to the official HaveUBeenFlashed URL (search for their verified Twitter account to find the correct link).
Use the international format (e.g., +1 for the US, +44 for the UK). The new system uses client-side hashing, but you should still never enter a work SIM or primary banking line. Use a secondary or VOIP number if you are merely testing the tool.
The homepage will feature a prominent banner reading "NEW: Real-Time SIM Swap Monitor." Click "Start Check."