CAT B15 Smartphone User Manual
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Pre-installed applications can not be deleted.
Ways to Free Up Your Mobile Phone Memory
Uninstall the downloaded programs that you no longer use.
Reset your mobile phone.
Resetting Your Mobile Phone
Backing Up My Settings
You can back up your mobile phone’s settings to Google servers, with your Google account. If
you replace your mobile phone, the settings you have backed up are stored on the new mobile
1. On the Settings screen, touch Backup & reset.
2. Select the Back up my data box.
Restoring Factory Data
data from internal phone storage, including information about your Google Account, any other
accounts, your system and application settings, and any downloaded applications will be
erased. Resetting the phone does not erase any system software updates you’ve downloaded
1. On the Settings screen, touch Backup & reset > Factory data reset.
2. When prompted, touch Reset phone, and then touch Erase everything. The mobile phone
resets the settings to the original factory settings, and then restarts.
