Dreams involving ex-partners and deceased friends can be quite profound and often reflect unresolved feelings or thoughts we have about those relationships. Here are some interpretations and insights into the elements of your dream:

1. Ex-Partner Interaction: Being at your ex's house and hanging out with her and her boyfriend may signify lingering feelings or unresolved issues related to that relationship. It could suggest a desire for closure or a need to understand the past better.
2. The Deceased Friend: Dreaming of a friend who has passed away often symbolizes nostalgia, unresolved grief, or a connection to past experiences. The tattoo imagery and the conversation about it may represent a bond or a shared memory that you cherish.
3. Messages from the Deceased: The interaction where you think your friend is alive and the response about rumors can indicate feelings of uncertainty or confusion about loss. It might also reflect a longing for reconnection or fear of losing touch with memories of loved ones.
4. Seeing Photos: The unexpected images of your friend in different styles could symbolize the different facets of your relationship with her or the way you remember her. It might also suggest that you are reflecting on the past and how it shapes your identity.
5. Struggling for Your Phone: This aspect could indicate a struggle to maintain control over your thoughts or emotions. It might reflect anxiety about sharing personal matters or feeling vulnerable in front of others, especially regarding past relationships.

Overall, this dream may be prompting you to explore your feelings about your ex, your deceased friend, and how these relationships have impacted you. Consider reflecting on what these figures mean in your life and whether there are unresolved emotions or thoughts that need addressing. This dream could be an invitation to process these feelings more consciously.