Following are a number of back-translations of Acts 3:21:

• Uma: “At present Yesus lives in heaven, and he must stay there, until the time comes when God makes all things new, like what he said with the lips of the holy prophets long ago.” (Source: Uma Back Translation)
• Yakan: “But he must stay first there in heaven as long as the day has not yet arrived when all things will be made good again like they were in the beginning. This is the time about which God told his holy prophets long ago/in the ancient past.” (Source: Yakan Back Translation)
• Western Bukidnon Manobo: “Jesus is still there in heaven until the time when God will make everything new according to the prophesy long ago by means of those whom he inspired.” (Source: Western Bukidnon Manobo Back Translation)
• Kankanaey: “Now however, it-is-necessary that Jesus stay in heaven until the time arrives when God will make-everything -new, because that is what God was-causing-the holy prophets long-ago -to-say.” (Source: Kankanaey Back Translation)
• Tagbanwa: “But now he’s there again in heaven, until everything has been fulfilled which was determined by God which he caused to be told by the prophets who were his servants in the past.” (Source: Tagbanwa Back Translation)
• Teutila Cuicatec: “But now in these days he has to still stay in heaven until the day comes when God will completely reform everything as he promised and as his holy prophets wrote long ago.”