What does como dice que dijo mean?

Answer 1

If there is an accent over the first 'o':
'How do you(formal/does he/she say I said?'

If there is no accent:
'As you(formal)/he/she say(s) I said'

Answer 2

"Como dice que dijo" is a repetitive phrase in Spanish that translates to "as he/she says that he/she said." It is often used to indicate that the speaker is skeptical or unsure about what they heard or are repeating from someone else.