Xperia 1　
オンラインマニュアル

GPS/Location based functions

Some devices provide GPS/Location based functions. Location determining functionality is provided “As is" and “With all faults". Sony Mobile does not make any representation or warranty as to the accuracy of such location information.

Use of location-based information by the device may not be uninterrupted or error free and may additionally be dependent on network service availability. Please note that functionality may be reduced or prevented in certain environments such as building interiors or areas adjacent to buildings.