Open Settings
Tap Privacy & Security
Tap Location Services
Turn Location Services on or off
Tap an app
Choose Never, Ask Next Time, While Using the App, or Always
Tap Precise Location to turn it on or off
Go to Settings
Tap your Apple ID name
Tap Find My
Tap Find My iPhone
Turn Share My Location on or off
Open Settings
Tap your Apple ID name
Tap Media & Purchases
Tap View Account
Tap Country/Region
Tap Change Country or Region
Select a new country or region
Update payment method and billing address
Save the changes
Open Settings
Tap General
Tap Language & Region
Tap Region
Select a new region
Tap Done
Restart the iPhone if needed