Keyboard

Turn Auto-Correction on or off: 

Choose General > Keyboard and turn Auto-Correction on or off.

By default, if the default keyboard for the language you select has a dictionary, iPhone automatically suggests corrections or completed words as you type.

Turn Auto-Capitalization on or off: 

Choose General > Keyboard and turn Auto-Capitalization on or off.

By default, iPhone automatically capitalizes words after you type sentence-ending punctuation or a return character.

Set whether caps lock is enabled: 

Choose General > Keyboard and turn Enable Caps Lock on or off.

If caps lock is enabled and you double-tap the Shift  key on the keyboard, all letters you type are uppercase. The Shift key turns blue when caps lock is on.

Turn the “.” shortcut on or off: 

Choose General > Keyboard and turn “.” Shortcut on or off.

The “.” shortcut lets you double-tap the space bar to enter a period followed by a space when you’re typing. It’s on by default.

Turn international keyboards on or off: 

Choose General > Keyboards > International Keyboards and turn on the keyboards you want.

If more than one keyboard is turned on, tap  to switch keyboards when you’re typing. When you tap the symbol, the name of the newly active keyboard appears briefly. See International Keyboards.