>>>>>1) Is it always the same place in the app?
>>>>Yes, the same places...
>>>
>>>So, what happens at those places in tha app?
>>
>>It hangs for about 20 - 30 seconds
>
>knap ... I mean what is the app doing at those places?

I suspect it hangs when trying to retrieve data from the network (opening, refreshing a view), but actually there is a lot happening at those points so its hard to be sure.

Maybe I should do a coverage log.