During the jailbreak process with Absinthe you may encounter errors that lead to the disappearance of pictures from the Camera Roll application of your iDevices. To solve the problem, you must restart the application and the photos will be displayed again in the Camera Roll, and to finish the jailbreak process, you will have to restart the application a second time. The fix comes from Planetbeing, you have it in the picture above, so if you ever encounter the problem now you know how you can solve it without much effort.
