Problems on Android and iPhone leave some unable to use the software at all
- Coronavirus – latest updates
- See all our coronavirus coverage
The launch of the NHS Covid-19 app in England and Wales has exposed problems with the programme, some of which were known about in advance, and some of which will come as a surprise to both the government and users.
Although there were hundreds of thousands of downloads of the app in the first few hours on iPhones from the App Store and Android from the Google Play Store, simply accessing it caused a problem for many.