Sony Ericsson K810i User Guide - Page 82

Solution: Try another battery and charger for the same phone model, or visit your retailer and ask them to verify if the battery and charger are working properly. The phone turns itself off Possible cause: The button has been pushed unintentionally. Solution: Turn on the automatic key lock, or lock the keypad manually % 79 Keypad lock. Possible cause: The battery connection is poor. Solution: Make sure the battery is inserted correctly % 5 To insert SIM card and battery. I cannot use SMS/text messages on my phone Possible cause: Settings are missing or incorrect. Solution: Contact your network operator to find out the correct SMS service centre setting % 33 Text messaging (SMS). I cannot use MMS/picture messages on my phone Possible cause: Your subscription does not include data capability. Solution: Please contact your network operator. Possible cause: Settings are missing or incorrect. Solution: % 6 Help in your phone or go to www.sonyericsson.com/support, select your region and country, and choose Phone setup. Then choose your phone model, click Read more under Picture messaging (MMS) and follow the instructions % 62 Settings. I cannot use the Internet Possible cause: Your subscription does not include data capability. Solution: Please contact your network operator. Possible cause: Internet settings are missing or incorrect. Solution: % 6 Help in your phone or go to www.sonyericsson.com/support, select your region and country, and choose Phone setup. Then choose your phone model, click Read more under Mobile Internet (WAP) and follow the instructions % 62 Settings. 82 Troubleshooting This is the Internet version of the User's guide. © Print only for private use.