Discovered videos of camgirls on my boyfriend's phone.

So, I (26F) have been in a relationship with my boyfriend (29M) for nine years. This year, we faced some challenges, and I was convinced we were heading towards a breakup. However, after having some deep conversations, we managed to improve our relationship. This morning, I felt an unsettling instinct and decided to look through his phone. To my dismay, I discovered several videos of camgirls in his gallery, a new Snapchat account where he follows a few NSFW profiles, and a Fansly account. In the early days of our relationship, he had subscribed to camgirls, and I made it clear that I considered that cheating since it felt more personal and involved him paying to watch them. He deleted his account back then, assuring me he wouldn't do it again. I genuinely thought he had stopped until now. I don’t know if he paid for all the videos in his gallery or if he accessed them for free, but I feel incredibly hurt and disgusted. I haven’t talked to him about it yet, as I had to leave this morning, but I’m at a loss for how to approach this when I return home. I took photos of what I found and plan to send them to him to show that I'm aware of what’s been happening. However, I’m torn between ending the relationship and expressing how much this has affected me, hoping he will change. I feel like my trust has been shattered again, and I know the insecurity will linger, making me feel compelled to check his phone like I did the first time.