I didn't bring up the flat or the phone, I just said that he gave me lots of reasons not to trust him and not many reasons to trust him. He can work the details out for himself. I asked him to put himself in my shoes. He gave me no new information other than saying this stuff was between the two of us with nobody else involved.
I am considering changing the locks.
I texted him to say that I couldn't make any demands about earning my trust because he's an adult and makes his own decisions. I wished him a good holiday. Several texts already.
I thought I was doing the right thing by not applying pressure to see his flat. Yet there has been little movement towards any intimacy or self disclosure by him. The temperature has warmed up, we have been getting along fine, I have applied no pressure for ages now. I'm getting to the stage where I care less now, I just want to get movement in the right direction. I'm not waiting forever.