Communicating with his ex

I need opinions please..

My bf has a ex who hates me, she always tries to interfere so I asked him how was he going to handle that (because I don’t care or want to deal with her drama) he said he was going to block her. We left it alone.. he’s currently knocked out his phone is next to me I went through it to see he’s been talking on the phone with her..

I’m so confused, I trusted him

How do I handle this

How would you feel

Pls doing come at me with the whole snooping I just want advice.