User Guide

Configuring Phone Settings
97
• Back up your personal data before any upgrade. After
the upgrade, all personal data will be erased.
• If you have installed a microSD card, the downloaded
upgrade package will be stored in the root directory of
the microSD card; if no microSD card is available, the
upgrade package will be stored in the root directory of
your phone memory. Ensure that enough storage
space is available on your microSD card or in your
phone memory for the upgrade package.