Then they need to ditch the phone and get out more.
Churches can be good places to start.
Besides that, we have far too few facts to even know what actually was her reason for succumbing to the scam.
She may just be stupid. Regardless, I still feel sympathy for her. But something was, without question, missing from her life that drove her to make unwise decisions. Loneliness is one of the major reasons people make unwise decisions.
Your suggestion of seeking comfort with the Lord is something all people can benefit from, but it must be their decision to explore how faith can be beneficial. Then their phone can remain, but it no longer will be the center of their lives.
Read post #15. If that post is accurate, then it sheds a whole different light n the story. Interesting scam to say the least.