Switch Languages for iOS External Bluetooth Keyboard

Use the following steps to change languages with physical keyboard on iOS:

For Logitech K480, press the Language Switch key (F12).

For other Bluetooth keyboard, press Ctrl + Space.

Other notes:

For some messaging apps, press Command + Enter to send the message.

Microsoft All-in-One Media Keyboard Notes

The keyboard has new Fn keys enabled by default and missing a few physical keys compared to a regular keyboard.  The following note on how to access the missing keys.

Home key: Fn + Left arrow

End key: Fn + Right arrow

Page Up: Fn + Up arrow

Page Down: Fn + Down arrow

F1 ~ F12: Fn + selected key

Fn Lock Mode: Fn + Capital Lock

(Fn Lock does not affect Home/End keys)