To open the keyboard, just touch an area where you can enter text or numbers.
To close the keyboard so you can see other parts of the screen, tap 
For a larger keyboard, turn your phone horizontally. (If your screen doesn’t rotate, check your auto-rotate setting.) You can also resize the keyboard to give yourself extra space for more accurate typing.


Touch & hold a key to see related special characters. For example:
To type in ALL CAPS, touch 

To change capitalization of a word you've already typed:

You have two options for entering text: type one letter at a time (multi-touch typing) or slide your finger through all the letters in a word using one continuous motion (glide typing). Start typing either way and switch whenever you like.
When you're using glide typing, you can:
You can disable glide typing.
Use suggestions to type faster.
When you're typing, you'll see a list of suggested next words above the keys:

You can limit or turn suggestions off.
Misspelled words are automatically corrected as you type.
To prevent that word from being auto-corrected again, add it to your dictionary by touching the word in the list of suggestions above the keys.
If auto-correction is turned off, you can still check spelling:
Touch an underlined word:
If you have added multiple languages as a system language in your phone settings, keyboards and text suggestion are available for those languages:


You can add keyboards for other languages.
In any app where you would type, you can handwrite with your stylus instead.
Tap a text field where you want to write. Then you can either:
It’s easy and useful to switch between these modes. For example, write in the larger field and switch back to the text field to delete or edit.
You'll see this control bar:

If you don't see the control bar when you tap a text field with the stylus, go to Settings > Stylus > Stylus Writing and turn it on 
Use it to:
| Insert a space | |
| Backspace | |
| Start a new paragraph | |
| Switch to the larger writing field | |
| Switch between languages if you have multiple languages | |
| Create an animated message (appears only when you're in a messaging app) | |
| Enter (start a search, submit a form, etc.) |


To switch back to the text field, just tap it.