Tunai BUTTON - TUNAI BUTTON for iPhone X and Later; Key Descriptions for iPhone X+ Users; iOS Voice Call App Support

iPhone X, XR, XS,11, 11 Pro etc. Users (Without the Physical Home
Button)
The users with the iPhone without the physical home button will be able to
trigger Siri in both Mode A and Mode B, therefore, there is no need to switch
to Mode B to trigger Siri. (Mode A is the default shipped mode).
Key Description for iPhone X, XR, XS, 11, 11 Pro etc. Users
Key
Function
Mode A & B
Short Press: Volume Up /Camera Shutter (When using
camera)
Mode A & B
Short Press: Volume Down/Camera Shutter (When
using camera)
Long Press: Mute
Mode A & B
Short Press: Next Track / Reject call
Long Press: Trigger Siri / End Call
Mode A
Short Press: Previous Track
Mode B
Short Press: Previous Track
Long Press: Hide / Unhide Keyboard
Mode A & B
Short Press: Play / Pause / Answer call
Mode A
Short Press: Play / Pause / Answer call
Mode B
Short Press: Answer call / Home key shortcut
Voice Call App Support for iOS
APPs
Supported Features
Phone Call
Answer Call, Reject Call, End Call, Incoming Call Notification
Skype
Answer Call, Reject Call, End Call, Incoming Call Notification
LINE
Answer Call, End Call, Incoming Call Notification
WeChat
Answer Call, Incoming Call Notification