To ask the Secretary of State for Health and Social Care, what estimate he has made of the number of smartphone users that will not be able to access the NHS Test and Trace app as a result of the operating systems of their smartphones not being compatible with that app.
This is a holding answer. It may be superseded/updated at a future date.
25 September 2020
The Department of Health and Social Care has indicated that it will not be possible to answer this question within the usual time period. An answer is being prepared and will be provided as soon as it is available.