If the app does not load a page or open a link:
- Check that the device has an internet connection.
- Close and reopen Doctosan.
- Update iOS and the app to the latest available version.
- Try the same page at www.doctosan.com.
Phone, WhatsApp, map, and external-site links open in the corresponding app when available. If the problem continues, email info@doctosan.com with the device model, iOS version, affected page, and steps to reproduce it. Do not include sensitive health information.