If your phone is randomly having performance issues and other sudden behavioral changes affecting your usage, it might be infected with malware.
How do I use the Smart Manager application to check for malware or viruses?
How do I know my mobile device has a virus?
Got a Virus Warning on Your Android? Here's How to Respond
Does My Phone Have A Virus? – GMA
How to Remove a Virus From Your Android Phone - Panda Security
Y does my phone say I have a virus - Apple Community
How to Clean an Android or iPhone from Viruses for Free
does my phone have a virus?!? : r/antivirus
My Smartphone Is Too Hot: Does It Have a Virus?
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Does My Phone Have a Virus?
My Smartphone Is Too Hot: Does It Have a Virus?
How to Remove Viruses From Android Phones
I got a new tab opened on my phone while I was on Safari saying