You choose the language and region of your iPhone during setup. If you travel or move, you can change the language or region. Go to Settings > General > Language & Region.
Restore your iPhone, iPad, or iPod touch in iTunes on PC
1
Connect your device to your computer. ...
2
In the iTunes app on your PC, click the Device button near the top left of the iTunes window.
3
Click Summary.
4
Click Restore, then follow the onscreen instructions.
