Encode
All three smartphones use file-based 256bit AES encryption.Ignore the rumors about the ability to leave backdoor, temporarily resulting in a draw.Enabling encryption on these devices is also very simple.
The winning phone is: draw.
Block application
The ability to block applications from accessing the Internet on a case-by-case basis seems to be something you expect a normal smartphone to have.This will prevent the application from sending data back to its developers.
But in these 3 phones, only iPhone X allows to block each application.Note that it is only possible to block when using mobile networks but not when using WiFi.The solution now is to use VPN applications for phones.
To block, go to Settings > Cellular > find the application in the list and select Off for the application you want to restrict.
Phone victory: iPhone X
Biometric security
Samsung has introduced face recognition technology since 3/2017 but Apple has changed the game when launching iPhone X late last year.This is the first machine with face detection technology that is safe enough to authenticate payments via mobile.This software on S9 and Pixel 2 still goes after iOS, not safe enough to secure payment transactions.
Of course, each way of authentication has its own advantages and minus points.
Phone victory: iPhone X
Password protected folder
In these 3 smartphones, Samsung Galaxy S9 is the only one capable of protecting the folder with a password.The directory allows storing files, images, videos in a safe location, can easily transfer data in / out.This folder is also hidden from the Apps and Home screens, so the average person doesn't even know it exists.
To set up a secure folder, go to Settings > Lock Screen and Security > Secure Folder > enter Samsung account password> select security method.
Victory phone: Galaxy S9
Support for multiple users
Many user accounts that help children do not accidentally delete your data, work division and personal entertainment .Android has guest account support but the iPhone is still not for many users on iOS.
Winning phones: Galaxy S9 and Pixel 2
Automatically delete data
All 3 phones can lock and delete data remotely, very useful when losing phones.But you will lose time to Find My Device and Find My Phone settings before using.
If you haven't set up Android Device Manager and lost Galaxy S9 or Pixel 2, someone might try wrong to break the lock.But the iPhone X is safer when it defaults to turning you off, forcing you to connect to iTunes after 10 incorrect attempts.Or you can set it to automatically delete data after entering the wrong code 10 times.
Phone victory: iPhone X
Password management
iPhone X, S9 and Pixel 2 all have their own password management tools, iCloud Keychain, Samsung Pass and Google Smart Lock, respectively.They all store data on an encrypted repository and automatically fill it when needed.
The iPhone's keychain is probably most useful when automatically syncing data on all Apple devices.Google Smart Lock also works on Chrome and Samsung Pass is only available on Samsung devices and Samsung Internet browsers.
In terms of security, all 3 are equal.
Victory phone: draw
Conclude
Based on the above comparison results, the iPhone won with a not-so-big gap compared to the Galaxy S9 and the Google Pixel 2. With a secure directory, S9 will probably be in second place.
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