Glad wind could not cause a failure. 

1) If you go to Settings>General> About does the Network name show Verizon?   NO, it shows O2

2) What software does she currently have? Settings>General>Software update. Unknown at this time.  My daughter's phone is locked with a passcode.  I will need to ask her.  I just wanted to clarify that the phone still thinks it is an O2 phone (network and APN settings) even though it has a Verizon simm.