How to disassemble RB2011UiAS-2HnD-IN?

Hardware MikroTik hardware general
1

I took off 2 screws and cannot go any further… Please help.

2

https://www.youtube.com/watch?v=t8eHJwDdnGk

3

He just block the Lens for a few seconds, then already opened…

4

OK then: http://youtu.be/a3uJ8AbaLjA

5

Success!!!
Thank you very much…

6

I would like to use link http://youtu.be/a3uJ8AbaLjAd , but is not available.
How cam I reach them ?
Artur