How do I switch operating site on the mobile app?

Tap the three dots at the top right, then Site selection, and choose the site you want.

Check the site before entering data

If you manage several sites, always check in the app header that the right site is selected.

1. In the app, tap the three dots at the top right.
2. Tap Site selection.
3. Choose the site.

Refresh a site

Choosing the site that is already selected downloads its data again. See How do I sync the app?