If you are using a mobile phone to provide crypto security, you can use a secure software wallet such as Trust wallet. Fraudsters will try to trap you in various ways and they may lure you financially and do not click on the link they provide if you find it suspicious. If you understand how crypto works well, it will be very easy for you to identify the fraudsters. Otherwise, you should never install any unknown app because research well about what you are doing and be aware of it yourself.
it does not matter what you are using as far as it has to do with crypto, you just have to be very careful with a lot of things, and all these things depend on the orientation they are getting when they start holding or even trading, but they don't want to. Get the knowledge. So the best thing is for them to go for the knowledge first, so there is a need for them. Have an idea on how to keep their funds safe because if you don't take it seriously, you might lose your money, because when it comes to keeping your crypto assets safe, you will need to know the right wallet to store them in because the wallet matters and how you keep your seed phrase matters.
When it comes to the identification of fraudsters, there are different ways that you can identify them, because those schemes are easy to recognize. but only for those that already know, because if you don't know, then you are just bringing more trouble to your doorstep.