When you turn
on for the first time, you’re asked to choose the language you want to use. If you want, you can still change the language after you set up
Changing the language adjusts the keyboard layout, date and time formatting, and more.
The languages available to choose from may depend on the version of
HTC Jetstream you have.
From the Home screen, tap
Tap the language and corresponding region you want to use.
The new language will be applied after a few seconds.