Screen not loading in iPhone (iOS) (“Absolute Security – requires modern web browser”)

The Safari browser is often set to “Private” browsing mode by default, you can learn how to disable Private Mode on Safari here: /support/turn-off-private-browsing-ios-safari/(new window). Proton Mail uses a critical technology (sessionStorage(new window)) that is disabled when this mode of browsing is activated.

If you are experiencing trouble viewing accessing Proton Mail on your iOS device, please ensure that you are not browsing on the “Private” mode (https://support.apple.com/en-us/HT203036(new window)).