Do I need to buy a Norton program to help protect me and my phone?

2020jma4342 Said:

"Do I need to purchase a Norton product that keeps my phone safe from hackers?"

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Securing your iPhone:

I. About a Hacked iPhone:

Unfortunately, there is no way to determine if it has been hacked, unless you know that it has been jailbroken. And, the only way for an iPhone to have hacked is if it has been jailbroken.

II. So, what to do...

A. Reset your iPhone to Factory Settings:

If you are so concerned, then reset you iPhone to factory settings, as if you were to sell it. Go here: What to do Before you Sell, Give Away, or Trade in your iPhone, iPad, or iPod touch - Apple Support. Perform as instructed there, including the backup creation and iCloud logout.

B. Blocking Out Spammers:

Use Malwarebytes Mobile Security. The free version blocks popups. The paid version blocks out known spam numbers, and lets you add your own and report items to the Developer. So, consider using it. Read the following post to see how to use this software: Blocked numbers - Apple Community

Absolutely no. Or any other product that claims to "detect", "speed up", "optimize", etc your iPhone.