49.3 Contact List..........................................................................................................................2910 Internet......................................................................................................................................3010.1 Browser...............................................................................................................................3010.2 Email..................................................................................................................................3110.3 3G Internet.......................................................................................................................3311 GPS Function .......................................................................................................................... 3311.1 GPS Navigation............................................................................................................... 3312 Other Application Procedures ................................................. Error! Bookmark not defined.12.1 Clock ............................................................................................................................... 3412.2 Calculator ........................................................................................................................ 3412.3 File Manager ................................................................................................................... 3512.4 Recorder .......................................................................................................................... 3713 Installation of Procedures........................................................................................................ 3813.1 Installation ....................................................................................................................... 3813.2 Uninstall .......................................................................................................................... 3813.3 Update Path ................................................................................................................... 38814 Troubles Shooting ................................................................................................................... 391. Notes:* This is a high-density electronic product; please do not dismantle it byyourself.* Avoid strong beat and collision.*Avoid using this product in the following environments: high and lowtemperature, humidity, dusty, with strong magnetic and long-term exposure tothe sun.* Please wipe the product shell use twist dry wet cotton cloth gently; the use ofother chemical cleaning is prohibited. This product should keep away fromwater drop and water splash, so cups filled with liquids should not be placednear the product.* Use the headset long time, high volume may cause permanent damage tohearing.* Do not use headphones when going across a road, driving a motorcycle orbicycle, in order to avoid traffic accidents.* Please use permitted battery, charger and accessories only, the use of anyother type of product would be a breach of warranty regulations, and may bedangerous.* Please deal with waste machinery and accessories according to localenvironmental regulations.* If you have any questions in the process of using of the product, pleasecontact the local dealer or contact customer service center of our companydirectly.