my child was born ih england but am jamaican and work in england.how can i get citizenship

my child was born ih england but am jamaican and work in england.how can i get citizenship?
i work in england for three years.
Immigration - 2 Answers
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1 :
Fly back to Jamaica with your family & apply through the Embassy.
2 :
You will have to apply the same way everyone does. You have to apply to the UK for residency.