Samsung member app was not working properly everytime server error

If I click some pictures so how to add in this community any one tell me now

What about Samsung galaxy m15 one ui 8 update and how much time to waitto update it any one knows which day or date is coming android 16

What is the procedure to join beta test and how to download the official latest versionbefore the latest software update or how to update it please tell me about this

I have use Samsung galaxy m15 phone over all phone is good but one major problem is that is camera , i click the photos and then check photos quality is not good ,camera you help me on this topic how i take the photos clean and clear