The victim followed the instructions to download an app from the Google Play store. He didn't know it at the time, but he was installing malware on his phone, which allowed scammers to hack his bank account and steal thousands of pounds.
Malware is commonly used by scammers, but it isn't always detected by antivirus software. Find out more about this scam.
Malware scams
Source: Which? (21 Sep 2023)