The Swedish striker moved to Manchester on a free transfer five years ago from Paris Saint-Germain, with Ibrahimovic announcing his transfer with an Instagram post, saying: "My next destination will be Manchester United".
But Ibrahimovic, now at AC Milan revealed that "all hell broke loose" after the announcement and that the Red Devils and his agent Mino Raiola were furious with him.
He told Sportbladet: "The fact is that I went on Instagram and wrote: "My next club will be Manchester United." I was so tired of the negotiations. All hell broke loose. Mino wanted to kill me.
"It was only my fault, Mino Raiola had nothing to do with it. I lost patience, that's all.
"I felt like I was standing in quicksand trying to do something to move forward, without thinking about the consequences. If the deal goes awry now, then so be it, we let it go. I'm the one who did it wrong. I apologise once again."
Ibrahimovic also revealed what United chief executive Woodward said to him when he found out about the Instagram post.
"You've ruined a five million pound promotional plan," was Woodward's response, according to Ibrahimovic.
And the Swedish international striker added: "They had planned a surprise campaign and a presentation with special effects a la Hollywood. And I ruined everything with an update on social media."
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