> you mean something like ios keychain? what does this do that can't be achieved using disk encryption + sandbox? Because once the phone is booted and unlocked

> you mean something like ios keychain? what does this do that can't be achieved using disk encryption + sandbox? Because once the phone is booted and unlocked by the user there is no further protection. Do you keep your phone turned off? Also the lack of device pairing means it is usually easy to dump the encrypted image and crack the pass code quite quickly. https://blog.elcomsoft.com/2017/10/ios-vs-android-physical-data-extraction-and-data-protection-compared/ https://blog.elcomsoft.com/2017/10/ios-vs-android-physical-d... > firefox for android I find it quite slow, slower than chrome downloading all the ads. But it is an option I guess. It won't get wider uptake though, the default platform browser is the main game.