what is the file you need to jail break a iPhone 3g?

my daughter was charging her 3g iPhone and said that she pushed on a file that i can not remember and    her phone locked up..... any help would be appreciated. 

did she enter her pass word
opg1 (author) 4 years ago
it was active on a jail beak mode. and as she was charging it she pressed the file syida
Kiteman4 years ago
If that's all she did, a trip to any Apple vendor should get a quick fix.