I have same problem. please help. lumia 525.

I had already tried its not working. What I have to do now

I also have the same problem.i don't know what to do.i use Lumia 535

Hi there. Try fixing time and date, make sure timezone is correct. Also check if you have stable internet connection on the phone. Then restart the phone. Let us know how it goes.

i couldn't open the insider app it continuously prompts Server error or change your time and date. help me Please . !