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Unmount the microSD Card
When you need to remove the microSD card, you must unmount the microSD card first to
prevent corrupting the data stored on it or damaging the microSD card. Since you will remove
the battery first before you can remove the microSD card, close all running applications on your
phone and save any data first.
1. Press > and tap Settings > Storage.
2. Tap Unmount SD card.
3. Remove the microSD card. See Remove the microSD Card.
Update Your Phone
From time to time, updates may become available for your phone. You can download and apply
updates through the Settings > About Phone menu.
Update Your Phone Firmware
Update Your Android Operating System
Update Your Profile
Update Your PRL
Update Your Phone Firmware
You can update your phone's software using the Update Firmware option.
Before Updating Your Firmware
Updating your phone firmware will erase all user data from your phone. You must back up all
critical information before updating your phone firmware.
Note: Back up all data prior to updating your phone.
To back up your Gmail information:
1. Press > and tap Settings > Accounts and sync.
2. Tap the Auto-sync option to enable the feature (checkmark).
If the Auto-sync option is on, email, Calendar and Contacts automatically
synchronize whenever a change is made.
If the Auto-sync option is off, tap the sync icon within the account field to reveal the
account’s synchronization settings screen.
To back up your Exchange Mail information: