Dynamo phone in bottle trick explained

They took the guys phone and replaced it with a copy. It is taken away and fused inside a bottle in a building/vehicle nearby. When Dynamo asks for his phone he is actually handing over the copy. The guy in glasses hands Dynamo the prepared 'phone in bottle', swapping it for the empty bottle 0:17 . Dynamo must then discard the copy phone (into his jacket) because the real phone is already in the bottle. The only stooge is the guy in glasses. I do not know the actual method for fusing the phone inside the bottle but when you realise they had time to set it up elsewhere it doesn't seem as 'magical'. In this trick 'when' is more important than 'how'. Eliminate the impossible then whatever remains, however improbable, must be the truth.