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SumUp blocks card readers

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Revision as of 15:00, 16 August 2025 by Gettingoutofmyhand (talk | contribs) (Edited the first section, containing the incident's description. Also deleted the box, as requested by the help section.)

SumUp, a British technology company headquartered in London, sells card readers and a number of online payment and bank account systems for merchants and businesses.

Although their services have increased in recent years, their main business is the selling of card readers.

Their card readers seem to block themselves at random, with the error message "Device blocked. Please contact support."

Upon contacting their customer support, merchants are informed that the card readers become blocked due to "being dropped or exposed to low/high temperatures", which most users state doesn't happen.

Those same card readers, according to them, cannot be unblocked nor repaired, and need to be replaced, depending on their own warranty coverage.

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