Read help info
There are various ways of determining your position. If you turn on one or more positioning methods on your phone, the information about your position will be available to other functions on your phone, such as navigation, search functions and weather forecast. Follow these instructions to select GPS settings.
Find "Location & security"
Turn wireless networks on or off, go to 2a.
Turn satellite-based GPS on or off, go to 2b.
Turn A-GPS on or off, go to 2c.