Sony Ericsson Xperia Pureness User Guide - Page 47

Troubleshooting Some problems can be fixed using Update Service. Using Update Service on a regular basis will optimise the phone's performance. See Updating your phone using a computer on page 35. Some problems will require you to call your network operator. For more support go to www.sonyericsson.com/support. Common questions Where can I find the regulatory information such as my IMEI number if I cannot turn on my phone? I have problems with memory capacity or the phone is working slowly Restart your phone every day to free memory or do a Master reset. Master reset If you select Reset settings, the changes that you have made to settings will be deleted. If you select Reset all, your settings and content, such as contacts, messages, pictures, sounds and downloaded games, will be deleted. You may also lose content that was in the phone at purchase. To reset the phone 1 Select Menu > Settings > General > Master reset. 2 Select an option. 3 Follow the instructions that appear. What do I do if the phone freezes or hangs? Press and hold down the volume down key and the power key simultaneously for 10 seconds. 47 This is an Internet version of this publication. © Print only for private use.