Martin Lewis has shared urgent phone security tips, including dialling a five-digit code to protect your IMEI number and prevent criminals accessing your banking data ...

What's a verification code, and why are they so important? Six-digit verification codes are a form of two-factor authentication, a process that helps keep your important online accounts secure. For ...

But there are ways owner can protect their devices, as well as important information and one way to do this is by using a simple code. The useful tip has been backed by finance guru Martin Lewis, who ...