Skip to main content
COVID-19 app support
Your data and privacy
< Go back
Search common questions
Is the NHS COVID-19 app source code available?
How does the risk-scoring algorithm work?
Will the NHS COVID-19 app work while my phone is locked?
How do I update the NHS COVID-19 app?
How do I know which version of the NHS COVID-19 app I have?
Will the NHS COVID-19 app drain my phone battery?
Will the NHS COVID-19 app use my mobile or wifi data?
I live in a block of flats. Will I get notifications telling me to isolate if someone living in a nearby flat gets coronavirus (COVID-19)?
Will using the NHS COVID-19 app cause any problems when I use other phone features, such as other apps, or Bluetooth devices?
How do I check and upgrade my Apple operating system (iOS)?
How's it decided if I get an alert that I’ve been at the same venue as people with coronavirus (COVID-19)?
What is the difference between contact tracing and checking into venues? Do I need to do both?
Will the app work if its running in the background of my phone?
What alerts will the NHS COVID-19 app send me?
Why can't I see my NHS COVID pass in the app?