I want to know if in any verse in the Quran Allah say that the converted will enter paradise first for they have believe in two prophet which is Jesus pbuh and Mohammad pbuh.?
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Short answer: Yes. And it is not even said that Christians won't go to heaven. The Quran talks about "those who believe and do good deeds" not "those who are Muslims and do good deeds".
Yes, Muslims believe in all the prophets, including Jesus who has a very important place (One of which being the Messiah) but is not the son of God.