The practical joke was revealed by royal author Karen Dolby, in her book The Wicked Wit of the Royal Family. As a young royal Harry was seen as a “wild child” known for his sense of humour. The Queen is also known for her dry sense of humour, and once shocked Prince Charles with a joke of her own.
According to Ms Dolby, Harry tampered with the Queen’s phone to leave a joke voicemail.
She said: “Prince Harry… is known for his sense of fun, and is said to have once recorded a message on his grandmother’s mobile phone so that anyone calling was greeted by ‘Hey, wassup? This is Liz.’”
The Duke is believed to have got his hands on the Queen’s smartphone, which is highly guarded and encrypted.
Brian Hoey, royal author and journalist, said she never goes anywhere without her ultra-slim smartphone that can slip into a pocket or handbag.
READ MORE: Meghan and Harry told lack of ‘dignity’ meant they didn’t get ‘beneficial’ a Megxit deal
Paul Burrell, former royal butler, claimed Harry was the “only one” who could get away with tricking the Queen, which he took full advantage of as a child.
He said to OK magazine: “I know the Queen very well and I know she’s very fond of Harry.
“As William would sit and have tea with her after school, Harry would come and put plastic flies in the sugar bowl!
“It was hilarious. Harry was the only one who could trick his granny.”
The Queen has also pranked Charles by using a fake voice while driving to Ascot.
Ms Dolby added: “Once when Prince Charles and the Queen were driving to the Ascot races in an open carriage, there was a loud shout from the crowd.
“Charles did not hear what was said and asked his mother.
“‘Gizza wave Liz!’ the Queen replied in her best South London accent, waving obligingly at the spectators.”
Bishop Michael Mann told Business Insider he once saw the Queen mimic the noise of the Concorde.
He said: “The queen imitating the Concorde landing is one of the funniest things you could see.”
Angela Kelly, dressmaker for the Queen, also revealed in 2007 Her Majesty can speak in a perfect Scouse accent.
She also recalled the monarch’s “wicked sense of humour” and regarded her as a “great mimic”.
