Sony Ericsson V640i User Guide - Page 39

I cannot charge the phone or battery capacity is low The charger is not properly connected or the battery connection is poor. Remove the battery and clean the connectors. The battery is worn out and needs to be replaced. See Charging the battery on page 7. No battery icon appears when I start charging the phone It may take a few minutes before the battery icon appears on the screen. Some menu options appear in grey A service is not activated. Contact your network operator. I cannot use messages on my phone Settings are missing or incorrect. Contact your network operator. See Help in your phone on page 7 or go to www.sonyericsson.com/support to order settings and follow the instructions on the screen. See Text messages (SMS) (SMS) on page 22 or Settings on page 34. How do I turn on and off T9 Text Input when writing? When you enter text, press and hold down . You will see at the top of the screen when T9 Text Input is activated. How do I change phone language? 1 From standby select Menu > Settings > the General tab > Language > Phone language. 2 Select an option. I cannot use the Internet Your subscription does not include data capability. Internet settings are missing or incorrect. Please contact your network operator. See Help in your phone on page 7 or go to www.sonyericsson.com/support to order Internet settings, and follow the instructions on the screen. See Settings on page 34. The phone cannot be detected by other devices using Bluetooth wireless technology You have not turned the Bluetooth function on. Make sure that the visibility is set to Show phone. Troubleshooting 39 This is the Internet version of the User's guide. © Print only for private use.