Similarly affected users I found online complain suggest it is disabling out-of-warranty readers to make people buy another
I am a craft potter selling mainly from specialist, often outdoor, markets with uncertain internet access.
My SumUp Solo card reader, used successfully at fewer than 10 markets and now out of warranty, is suddenly giving me a screen message “SumUp blocked”.
More Stories
My son’s girlfriend has taken over his life and I fear he’s being suffocated | Ask Annalisa Barbieri
Banana bends and a well-timed coffee: 31 easy ways to jump-start your energy levels in the new year
‘Why are my biceps so small?’ The boys and young men turning to steroids