Open the iPhone Settings app.
Select General.
Select Language & Region.
Select iPhone Language.
Select the language you want and then confirm.
Select your product to confirm this information applies to you
Changing the Language For Garmin Apps
Garmin apps will display text in the language set by your phone. To change the language text that is displayed in a Garmin app, you will need to change your phone's language settings. The instructions to change your phone's language settings may vary by manufacturer or software version, but for general instructions select one of the options below: