If you still have service to your phone, it's unlikely to be a SIM swap attack. Generally, one of the consequences of a SIM swap is that all the services provisioned on your phone (including your phone number) are transferred to the attacker's phone, by the exact same process as those services would be transferred to your new phone when you upgrade. This is ...


Maybe... just maybe.. a simple answer is that your friend has a malware on his phone, and the "victim" isn't actually you but him. I'd suggest you let him know he should comb through his installed apps/plugins, ask if he's installed anything sketchy lately, especially if it reoccurs.

Only top voted, non community-wiki answers of a minimum length are eligible