iPhone analytics/what they mean

I’m trying to figure out what these analytical codes mean cause my phones doing weird stuff like the resolution or something changes. The fonts are different and ive opted shared analytics so see if that helps me. But when i looked @ net they talk about this being possible spyware😳. And theres alot of users that its come Up and i tried to share it here but it wont let me view it where i saved to phone and cloud. Help. Another one is TRIAL ARCHIVING SERVICE. I like to know who and why are interested in me. I’m kno1