Mobile security
- Support
- Proton Account
- Security and privacy
- Mobile security
How to use the auto-lock feature on Android
Set your Proton Mail Android app to automatically lock with a pin code
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- Proton Account
- Security and privacy
- Mobile security
How to set up Face ID, Touch ID, and PIN code lock on the Proton Mail iOS app
Learn how to set Proton Mail on your iPhone to lock automatically with Face ID, Touch ID, or PIN code lock.
- Support
- Proton Account
- Security and privacy
- Mobile security
Android Keystore issues
Proton apps on Android use the Android Keystore system to encrypt your passphrase, but on less than 1% of devices there is an issue.
- Support
- Proton Account
- Security and privacy
- Mobile security
Finding the version number of your Android or iOS device
