The 18-year-old midfielder will spend the next month on loan at Fratton Park.
Pompey co-caretaker manager Guy Whittingham said: “Abdul is a gifted midfield player who Manchester City think very highly of.
“It’s a great opportunity for him to come here and get some experience and we’re looking forward to him being part of the squad.
“We’re very fortunate to have him and we’re grateful to Manchester City for that.”
City boss Roberto Mancini said: “He’s a talented footballer and a very good young man. I believe he has the ability to become a very important player for Manchester City.”
