My girlfriend found on my phone ... what do do?

If she said that shes forgiven you then you might has have a chance to save your relationship. You say that things aren't the the same, they wont be the same because wasn't a factor in your relationship. Shes gonna be different for a while because shes had a shock at finding the . If your willing to go all out and promise it wont happen again wipe out all the pictures in front of her maybe you'll have a chance. you've just got to be willing to wait till she feels that your being honest to her and that she can trust you again.