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Install from SD card:
Install certificates from the memory
card.
Clear credentials:
Delete all certificates.
Backup and Reset
Back up my data:
Back up app data, Wi-Fi passwords, and
other settings to Google servers after you sign in to your
Google account.
Backup account:
Backing up to debug-only private cache.
Automatic restore:
Restore previously backed up settings
and data when you reinstall an app.
Factory data reset:
Reset your phone to factory default
settings
. All your personal data from the phone’s internal
storage will be erased. You can also erase the data on the
memory card during the process.
Accounts
Manage your accounts and synchronization settings.
Touch the
ON/OFF
switch to turn on or off auto-sync.
Touch
Add account
to sign in to or create accounts on your
phone.
Touch an account to set the sync settings for that account.
You can then touch the
Menu Key > Sync now
to sync all
checked items.
Touch an account and then touch the
Menu Key > Remove