You should definitely install an anti-virus program in your device if haven’t done so. You can have a look at the steps given below and download and Install Norton Anti-Virus software. Just ensure that you have proper internet connection.

• Open play store in your android device and app store in your iPhone
• Type Norton mobile security in the search bar and choose Norton app
• Download it.
• Once finished, it will get installed on its own
• Ensure you have enough space.
• Tap on the icon and agree to the terms and conditions.
• Make a new account on the Norton, if not done so till now

If you need any help then reach out to Norton support number which is available 24 hours.