The club said it was reacting to “security intelligence”, adding the restriction was in line with new checks on electronic equipment at airports.
It said that unlike at airports, it would be “impractical” at the stadium to check the devices were genuine by asking for them to be powered up.
Greater Manchester Police said it was not involved with the ban “in any way”.
A statement on the club’s site says the ban extends to large and small tablets “including iPad minis”, as well as larger electronic devices.
Smartphones are still permitted as long as their dimensions are smaller than 15cm by 10cm (5.9in by 3.9in).
A spokesman for the club told the BBC it had made the move after receiving “advice”, but would not say from whom this had come.
He added the action was unrelated to concerns about fans using tablets to record video of matches, potentially blocking the view of others, as had been reported elsewhere.
A spokesman for the Premier League said: “This is not something we are responsible for or involved in.”
A spokesman for the Football Association was unable to provide comment.
But Manchester United’s rival Arsenal issued a statement: “Our ground regulations haven’t changed. Our stadium management team are happy with our procedures.”
The government announced in July that passengers flying to the US or elsewhere who passed through UK airports needed to show that devices carried in their hand luggage were charged and could be powered on. The move followed a warning that US officials had become aware of a “credible” unnamed terrorist threat.
The airport restrictions cover phones, MP3 players and cameras in addition to larger kit.
A Freelance Journalist, Entrepreneur and Philanthropist. Editor-in-Chief of www.233times.com. A contributory writer for Ghanaian Chronicle Newspaper. An alumnus of Adisadel College where he read General Arts. He holds first degree in Bachelor of Arts from the University of Ghana; Political Science (major) and History (minor). He has also pursued MSc Corporate Social Responsibility (CSR) and Energy with Public Relations (PR) at the Robert Gordon University in the United Kingdom. His mentors are Rupert Murdoch, Warren Buffet, Sam Jonah, Kwaku Sakyi Addo and Piers Morganview all posts by: Nana Kwesi Coomson
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