Please help, Gallery show up thr pictures I have taken. But also showing off a lot of unknown file a or pictures which is blank and couldn't view. The files showing an icon which has a lightning strike on the unknown file. I m sure they are not the pictures I took. I select and deleted them, they show out again in just few days. Any solution? Addition, I surf through my phone using usb connection to pc. the unknown file is not show in my PC.