My boyfriend doesn’t want me to know his phone passcode. What should I do?

Anonymous
This would sound quite silly but in all my previous relationships, my exes never had any problems with me knowing their passcodes for phones and stuff. My current boyfriend didn’t want to tell me when i asked to use his phone for directions as mine was in the backpack (we were travelling). He said he didn’t ask for my passcode (i gave him as he needed my phone when his ran out of battery) so i should not ask for his either. He said he prefers to have some personal spaces so i said ok. One time i saw an ex of his texted him, didn’t say anything. Second time i saw (several days later) she texted him again so i jokingly said “oh, is that your ex?”. I only saw the name popped up as the text wasn’t shown. He said “yes, not sure why she texts” which sounded strange since they have been texting each other previously. Anyhow, i didn’t question but it kinda bugs me as he got annoyed when my exes messaged me. I am still friend with 2 exes and sometimes they do text to ask if i’m doing well etc (i migrated to a new country). I had to tell my exes to message me less and cut them off during a conversation as my current boyfriend would be jealous and constantly asks what im up to. I even showed him the messages if he was with me at the time as i have nothing to hide.

I am ok to give him the space he needs however it feels like he is fine having his own space but i shouldn’t have mine? My friends told me to treat him exactly the same and be secretive, message my exes more but it seems rather silly. What should i do in this case?
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+1 y
Another problem is that I have never been to his place. We have been dating for 6 months and it always happened at my place or in public. He always had excuses for not letting me visiting. And he is moving in with me in 2 months. I can't deal with all these secretive “privacy” stuff if we are to share the same living space. At the end of the day, it is not about the passcode. It is about me being comfortable with sharing this kind of info and he is not.
My boyfriend doesn’t want me to know his phone passcode. What should I do?
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