[lhmiles]

An exploit is the most likely explanation for the events you described. You could probably swap your phone for an identical model at a phone store pretty cheap

[scripper1]

Thanks. I rebooted it. For previous exploits, do you think that would be enough?

[lhmiles]

All the iOS malware I am aware of is persistent

[scripper1]

Yeesh. Thanks. I guess that makes swapping for a used phone not an option.