HTC Desire Z Quick Start Guide - Page 22

22 Quick start guide 14.Troubleshooting tips If you ever have any problems using your phone, here are some things you can do to set things right again.  Check whether there is enough free space on the phone to run the application. To check free space, go to the Home screen, press MENU, and then tap Settings > SD card & phone storage.  Clear your data and cache of applications. To clear the data and cache, go to the Home screen, press MENU, and then tap Settings > Applications > Manage applications.  Uninstall any third-party applications. To uninstall third-party applications, go to the Home screen, press MENU, and then tap Settings > Applications > Manage applications.  If your phone becomes unresponsive, remove the battery, wait for three seconds, then reinsert the battery and turn the phone on. Or back up your important data and factory reset the phone. To factory reset, press HOME > MENU, and then tap Settings > Privacy > Factory data reset.  Check for additional updates and useful tips on our website: www.htc.com/support.