What the deal with apple iphone?

I own iphone and i got a account i share this account with 2 family member but for some reason it tell me if i play or view something if i press home button twice

It tell me Good morning not my name but my family member name.

But that not the only icing on the cake i phone cake that is when i'm doing competition or ordering something when i go to mobile section put my number it only show up on auto correct little bar above keyboard…

But last bit is when i go to contact it say Me in circle but not my name but my family member name…

Can you help me figure out why this has happen this fone is mine and account is mine

Sounds like your phone got switched with another family member.

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