Thank you!
Pretty strange bug. Can you give me your save file?
I must apologize. Possibly I did not undertand correctly the walkthrough or I had false memories. I thought that when Hunter comes to Clara with the cell, there was a choice to take the cell and stop or continue with Hunter. This is what a remembered, so when I red that the aswer should be 'take it' it was referring to this choice. I replayed several times the day 6 start and I did not found that choice aymore.
Now I will replay with the correct answer at the point you told me, even if think I already tried both answers.
I beg your pardon for having took your time.