Photos dissapeared

[Olliemcd]

Hi my photos have all disappeared I had over 500 in my album.. Now there is my last 4 I took.Can I get them back?....I didn't delete them.

Thanks 

[Urologist]

Hey, I have the same problem last night, how this is possible?! I have had HTC U11 before and  no problem in 3 months... How can I get them back?! OMG..Miss my old iPhone..