How to turn off Auto Rotate screen on HTC One
Since there is no quick access to system settings on notification panel, you need to go through settings to disable Auto rotate screen on HTC One. ...
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The account you have created in the Line application using your email and number, has some information that is public to other users. It is better for you to update your profile.
In order to do that, go to : More - Settings - Profile
You can choose your own photo (marked in red), change your name (orange), update your own personal status (blye), and choose a user (only once) (green), or delete your account.