What did Peter and John pray for when they arrived in Samaria?
When Peter and John came down to Samaria, they prayed for the Samaritan believers that they might receive the Holy Spirit. Although Philip had preached successfully and the Samaritans had been baptized in the name of the Lord Jesus, the Holy Spirit had not yet fallen on any of them.
Les explains that when the apostles in Jerusalem heard that Samaria had received the Word of God, they sent Peter and John. Upon arriving, Peter and John prayed for the Samaritan believers that they might receive the Holy Spirit. The passage notes that although Philip's preaching had success and the believers had been baptized in the name of the Lord Jesus, the Holy Spirit had not yet fallen on any of them. Les points out that God had His reasons for this. Then Peter and John laid their hands on them, and they received the Holy Spirit.
Who, when they were come down, prayed for them, that they might receive the Holy Ghost: