[Q] Camera problem with S WiFi 5.0 ?

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Hi, first of all sorry for my english. I have a WiFi 5.0 and i installed to it Eryiğit rom 3.0. My default camera app doesn't working. When i first see this problem i installed default 2.2 rom. And there was no problem with it. Then i installed Eryiğit 3.0 again. After 2 days camera problem reappears. When i touch the camera. All the buttons on left and right comes normally but i can see just see black screen on the camera. I tried wipe cash partition, wipe dalvik cache. And wipe data with titanium backup. But don't work. If anyone helps i appreciate. Thanks.

did you do anything to your phone.apk ?